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| author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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| committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
| commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
| tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/keyboardevent/key | |
| parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
| download | translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.gz translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.bz2 translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.zip | |
initial commit
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| -rw-r--r-- | files/zh-cn/web/api/keyboardevent/key/key_values/index.html | 3638 |
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diff --git a/files/zh-cn/web/api/keyboardevent/key/index.html b/files/zh-cn/web/api/keyboardevent/key/index.html new file mode 100644 index 0000000000..617cc4f7b9 --- /dev/null +++ b/files/zh-cn/web/api/keyboardevent/key/index.html @@ -0,0 +1,292 @@ +--- +title: KeyboardEvent.key +slug: Web/API/KeyboardEvent/key +tags: + - 参考 + - 只读属性 + - 属性 + - 键盘事件 +translation_of: Web/API/KeyboardEvent/key +--- +<p>{{APIRef("DOM Events")}}</p> + +<p><span class="seoSummary">只读属性 <strong><code>KeyboardEvent.key</code></strong> 返回用户按下的物理按键的值。它还与 <code>shiftKey</code> 等调节性按键的状态和键盘的区域 / 和布局有关。</span>它的值由以下因素决定：</p> + +<div class="pull-aside"> +<p class="moreinfo">查看 <a href="/docs/Web/API/KeyboardEvent/key/Key_Values">所有键值列表</a></p> +</div> + +<ul> + <li>如果按下的键拥有可打印的内容，则返回一个非空的 Unicode 字符来代表这个键的可打印内容。</li> + <li>如果按下的键是一个控制键或特殊字符，则返回一个事先定义好的值，见<a href="/zh-CN/docs/Web/API/KeyboardEvent/key/Key_Values">预定义键值列表</a>。</li> + <li>如果 <code>KeyboardEvent</code> 显示按下的键是一个死键（dead key），则键值为 <code>"Dead"</code>。</li> + <li>有些特殊键盘的键（比如多媒体键盘上用来控制媒体播放的扩展按键）在 Windows 下会触发 <code>WM_APPCOMMAND</code> 事件，而不会产生按键代码。虽然没有按键代码，这些事件将映射到 DOM 键盘事件中，并将列入 Windows 的“虚拟按键码”列表中。</li> + <li>如果按键无法识别，则返回 <code>"Unidentified"</code>。</li> +</ul> + +<h2 id="KeyboardEvent_次序">KeyboardEvent 次序</h2> + +<p><code>KeyboardEvent</code> 事件以一个预设的次序触发，理解这一点对于理解特定 <code>KeyboardEvent</code> 的 <code>key</code> 属性值大有帮助。对于一个给定的按键操作，<code>KeyboardEvent</code> 将假定 {{domxref("Event.preventDefault")}} 未调用并按下面次序触发：</p> + +<ol> + <li>首先触发 {{event("keydown")}} 事件。如果按键长按且生成一个字符，则事件将以一个与平台实现方式相关的时间间隔持续发出，同时将只读属性 {{domxref("KeyboardEvent.repeat")}} 设定为 <code>true</code>。</li> + <li>如果按键生成的字符即将插入某个 {{HTMLElement("input")}}、{{HTMLElement("textarea")}} 或其它某个 {{domxref("HTMLElement.contentEditable")}} 设为 true 的元素，则依次触发 {{event("beforeinput")}}、{{event("input")}}事件。注意某些实现中若支持 {{event("keypress")}} 事件则可能将其触发。当按键长按时重复触发。</li> + <li>当按键松开时触发 {{event("keyup")}} 事件。操作结束。</li> +</ol> + +<p>在次序1、3中，<code>KeyboardEvent.key</code> 属性按照事先定义的规则设定为恰当的值。</p> + +<h2 id="KeyboardEvent_次序示例">KeyboardEvent 次序示例</h2> + +<p>考虑使用美国或英国键盘布局生成的点击 <code>shiftKey</code> 和一个未知的 <code>key 2</code> 时的事件次序。</p> + +<p>请检测以下两个测试用例：</p> + +<ol> + <li>按下并长按 <code>shift</code> 键，然后按下 <code>key 2</code> 并松开。下一步，松开 <code>shift</code> 键。</li> + <li>按下并长按 <code>shift</code> 键，然后按下并长按 <code>key 2</code>。然后松开 shift 键，最后松开 <code>key 2</code>。</li> +</ol> + +<h3 id="HTML">HTML</h3> + +<pre class="brush: html"><div class="flex flex-left"> + <textarea rows="5" id="test-target"></textarea> + <button id="btn-clear-console">清空控制台</button> +</div> +<div class="flex flex-right"> + <div id="console-log"></div> +</div> +<script src="main.js"></script></pre> + +<h3 id="CSS">CSS</h3> + +<pre class="brush: css">body { + -webkit-display: flex; + display: flex; +} + +.flex { + padding-left: 20px; + padding-right: 20px; +} + +.flex-left { + flex: 1; + flex-grow: 1; + -webkit-flex: 1; + -webkit-flex-grow: 1; +} + +.flex-right { + flex: 2; + flex-grow: 2; + -webkit-flex: 2; + -webkit-flex-grow: 2; +} + +#test-target { + display: block; + width: 100%; + margin-bottom: 10px; + resize: none; +} + +#console-log { + overflow: auto; +}</pre> + +<h3 id="JavaScript">JavaScript</h3> + +<pre class="brush: js">let textarea = document.getElementById('test-target'), +consoleLog = document.getElementById('console-log'), +btnClearConsole = document.getElementById('btn-clear-console'); + +function logMessage(message) { + let p = document.createElement('p'); + p.appendChild(document.createTextNode(message)); + consoleLog.appendChild(p); +} + +textarea.addEventListener('keydown', (e) => { + if (!e.repeat) + logMessage(`第一个 keydown 事件。key 属性的值为"${e.key}"`); + else + logMessage(`keydown 事件重复。key 属性的值为"${e.key}"`); +}); + +textarea.addEventListener('beforeinput', (e) => { + logMessage(`beforeinput 事件。你准备输入"${e.data}"`); +}); + +textarea.addEventListener('input', (e) => { + logMessage(`input 事件。你刚刚输入了"${e.data}"`); +}); + +textarea.addEventListener('keyup', (e) => { + logMessage(`keyup 事件。key 属性的值为"${e.key}"`); +}); + +btnClearConsole.addEventListener('click', (e) => { + let child = consoleLog.firstChild; + while (child) { + consoleLog.removeChild(child); + child = consoleLog.firstChild; + } +});</pre> + +<h3 id="运行结果">运行结果</h3> + +<div class="hidden"> +<h6 id="Key">Key</h6> + +<pre class="brush: html"><!DOCTYPE html> +<html lang="zh-CN"> +<head> + <meta charset="UTF-8"> + <style> + body { -webkit-display: flex; display: flex; } + .flex { padding-left: 20px; padding-right: 20px; } + .flex-left { flex: 1; flex-grow: 1; -webkit-flex: 1; -webkit-flex-grow: 1; } + .flex-right { flex: 2; flex-grow: 2; -webkit-flex: 2; -webkit-flex-grow: 2; } + #test-target { display: block; width: 100%; margin-bottom: 10px; resize: none; } + #console-log { overflow: auto; } + </style> + <title>KeyboardEvent.key</title> +</head> + +<body> + <div class="flex flex-left"> + <textarea rows="5" id="test-target"></textarea> + <button id="btn-clear-console">清空控制台</button> + </div> + <div class="flex flex-right"> + <div id="console-log"></div> + </div> + <script> + let textarea = document.getElementById('test-target'), + consoleLog = document.getElementById('console-log'), + btnClearConsole = document.getElementById('btn-clear-console'); + + function logMessage(message) { + let p = document.createElement('p'); + p.appendChild(document.createTextNode(message)); + consoleLog.appendChild(p); + } + + textarea.addEventListener('keydown', (e) => { + if (!e.repeat) + logMessage(`第一个 keydown 事件。key 属性的值为"${e.key}"`); + else + logMessage(`keydown 事件重复。key 属性的值为"${e.key}"`); + }); + + textarea.addEventListener('beforeinput', (e) => { + logMessage(`beforeinput 事件。你准备输入"${e.data}"`); + }); + + textarea.addEventListener('input', (e) => { + logMessage(`input 事件。你刚刚输入了"${e.data}"`); + }); + + textarea.addEventListener('keyup', (e) => { + logMessage(`keyup 事件。key 属性的值为"${e.key}"`); + }); + + + btnClearConsole.addEventListener('click', (e) => { + let child = consoleLog.firstChild; + while (child) { + consoleLog.removeChild(child); + child = consoleLog.firstChild; + } + }); + </script> +</body> +</html></pre> +</div> + +<p>{{ EmbedLiveSample('Key', '100%', 480, "", "", "hide-codepen-jsfiddle") }}</p> + +<h3 id="用例_1">用例 1</h3> + +<p>当按下 shift 键时，首先触发 {{event("keydown")}} 事件，然后将 <code>key</code> 属性的值设为 <code>"Shift"</code> 字符串。如果继续长按 shift 键，由于不会生成字符按键值，{{event("keydown")}} 事件不会继续重复触发。</p> + +<p>当按下 <code>key 2</code> 时，另一个 {{event("keydown")}} 事件将会为这个新的按键动作触发，若使用的是美式键盘，它的 <code>key</code> 属性将被设为 <code>"@"</code> 字符，若为英式键盘，则会设为 <code>"""</code> 字符。这是因为 <code>key</code> 属性 <code>"shift"</code> 处于激活状态。由于生成了一个字符的按键值，{{event("beforeinput")}} 和 {{event("input")}} 事件随后触发。</p> + +<p>松开 <code>key 2</code> 时，{{event("keyup")}} 事件将触发，<code>key</code> 属性将会为不同键盘布局设定合适的字符值，比如 <code>"@"</code>、<code>"""</code>。</p> + +<p>最后在松开 shift 键时，另一个 {{event("keyup")}} 事件触发，<code>key</code> 值将保持 <code>"Shift"</code> 不变。</p> + +<h3 id="用例_2">用例 2</h3> + +<p>当按下 shift 键时，首先触发 {{event("keydown")}} 事件，然后将 <code>key</code> 属性的值设为 <code>"Shift"</code> 字符串。如果继续长按 shift 键，由于不会生成字符按键值，{{event("keydown")}} 事件不会继续重复触发。</p> + +<p>当按下 <code>key 2</code> 时，另一个 {{event("keydown")}} 事件将会为这个新的按键动作触发，若使用的是美式键盘，它的 <code>key</code> 属性将被设为 <code>"@"</code> 字符，若为英式键盘，则会设为 <code>"""</code> 字符。这是因上档键处于激活状态。由于生成了一个字符的按键值，{{event("beforeinput")}} 和 {{event("input")}} 事件随后触发。如果继续长按 <code>2</code> 键，则 {{event("keydown")}} 事件将持续重复触发，同时将 {{domxref("KeyboardEvent.repeat")}} 属性设置为 <code>true</code>。{{event("beforeinput")}} 和 {{event("input")}} 事件也将持续重复触发。</p> + +<p>当松开 shift 键时，{{event("keyup")}} 事件随之触发，且 <code>key</code> 属性保留为 <code>"Shift"</code>。此时请注意为 <code>key 2</code> 长按触发的重复 <code>keydown</code> 事件的 <code>key</code> 值会变成 <code>"2"</code>，因为上档键不再处于激活状态。{{event("beforeinput")}} 与 {{event("input")}} 事件的 {{domxref("InputEvent.data")}} 属性同理。</p> + +<p>最终 <code>key 2</code> 松开，{{event("keyup")}} 事件触发，但两种键盘布局的 <code>key</code> 属性均为 <code>"2"</code>。就是因为没有激活上档键。</p> + + + +<h2 id="示例"><font face="x-locale-heading-primary, zillaslab, Palatino, Palatino Linotype, x-locale-heading-secondary, serif"><span style="font-size: 37.33327865600586px;"><strong>示例</strong></span></font></h2> + +<p>这个示例使用 {{domxref("EventTarget.addEventListener()")}} 监听 {{event("keydown")}} 事件。当我们事件触发时，将检测按键的值是否为代码所关注，如果是，就进行某项操作。（可能是给飞船转向，或者是调整电子表格中选中单元格的位置。）</p> + +<pre class="brush: js">window.addEventListener("keydown", function (event) { + if (event.defaultPrevented) { + return; // 如果事件已经在进行中，则不做任何事。 + } + + switch (event.key) { + case "ArrowUp": + // 按“↑”方向键时要做的事。 + break; + case "ArrowDown": + // 按“↓”方向键时要做的事。 + break; + case "ArrowLeft": + // 按“←”方向键时要做的事。 + break; + case "ArrowRight": + // 按“→”方向键时要做的事。 + break; + case "Enter": + // 按“回车”键时要做的事。 + break; + case "Escape": + // 按“ESC”键时要做的事。 + break; + default: + return; // 什么都没按就退出吧。 + } + + // 取消默认动作，从而避免处理两次。 + event.preventDefault(); +}, true); +</pre> + +<p><font face="x-locale-heading-primary, zillaslab, Palatino, Palatino Linotype, x-locale-heading-secondary, serif"><span style="font-size: 37.33327865600586px;"><strong>标准</strong></span></font></p> + + + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">标准</th> + <th scope="col">状态</th> + <th scope="col">备注</th> + </tr> + <tr> + <td>{{SpecName('DOM3 Events', '#widl-KeyboardEvent-key', 'KeyboardEvent.key')}}</td> + <td>{{Spec2('DOM3 Events')}}</td> + <td>初次定义，包括按键的值。</td> + </tr> + </tbody> +</table> + + + +<h2 id="兼容性">兼容性</h2> + +<p>{{Compat("api.KeyboardEvent.key")}}</p> diff --git a/files/zh-cn/web/api/keyboardevent/key/key_values/index.html b/files/zh-cn/web/api/keyboardevent/key/key_values/index.html new file mode 100644 index 0000000000..159f96c074 --- /dev/null +++ b/files/zh-cn/web/api/keyboardevent/key/key_values/index.html @@ -0,0 +1,3638 @@ +--- +title: Key Values +slug: Web/API/KeyboardEvent/key/Key_Values +translation_of: Web/API/KeyboardEvent/key/Key_Values +--- +<p>下列表格列出了不同范畴的键的标准键值，以及这些键的一般作用。对应的，通用平台上可用的虚拟键码也包含其中。</p> + +<div class="pull-aside"> +<div class="moreinfo">Learn how to use these key values in JavaScript using <a href="/docs/Web/API/KeyboardEvent/key">KeyboardEvent.key</a></div> +</div> + +<p><a href="#Special_values">Special Values </a>| <a href="#Modifier_keys">Modifier Keys</a> | <a href="#Whitespace_keys">Whitespace Keys</a> | <a href="#Navigation_keys">Navigation Keys</a> | <a href="#Editing_keys">Editing Keys</a> | <a href="#UI_keys">UI Keys</a> | <a href="#Device_keys">Device Keys</a> | <a href="#IME_and_composition_keys">IME and Composition Keys</a> | <a href="#Function_keys">Function Keys</a> | <a href="#Phone_keys">Phone Keys</a> | <a href="#Multimedia_keys">Multimedia Keys</a> | <a href="#Audio_control_keys">Audio Control Keys</a> | <a href="#TV_control_keys">TV Control Keys</a> | <a href="#Media_controller_keys">Media Controller Keys</a> | <a href="#Speech_recognition_keys">Speech Recognition Keys</a> | <a href="#Document_keys">Document Keys</a> | <a href="#Application_selector_keys">Application Selector Keys</a> | <a href="#Browser_control_keys">Browser Control Keys</a> | <a href="#Numeric_keypad_keys">Numeric Keypad Keys</a></p> + +<h2 id="Special_values">Special values</h2> + +<p>键的值，具有除标识特定键或字符外的特殊含义。</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>"Unidentified"</code></td> + <td>用户代理无法将事件的虚拟键码映射到特定键值。 这可能由于硬件或软件限制或由于运行用户代理的平台周围的约束而发生。</td> + <td><em>varies</em></td> + <td><em>varies</em></td> + <td><em>varies</em></td> + <td><em>varies</em></td> + </tr> + </tbody> +</table> + +<h2 id="Modifier_keys">Modifier keys</h2> + +<p>修饰符是特殊键，用于生成特殊字符或与其他键组合使用时产生特殊操作。 示例包括<kbd>Shift</kbd>和<kbd>Control</kbd>键，以及<kbd>Lock Lock</kbd>和<kbd>NumLock</kbd>等锁定键。</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"Alt"</code> [5]</td> + <td> <kbd>Alt</kbd> （替代）键。</td> + <td><code>VK_MENU</code> (0x12)<br> + <code>VK_LMENU</code> (0xA4)<br> + <code>VK_RMENU</code> (0xA5)</td> + <td><code>kVK_Option</code> (0x3A)<br> + <code>kVK_RightOption</code> (0x3D)</td> + <td><code>GDK_KEY_Alt_L</code> (0xFFE9)<br> + <code>GDK_KEY_Alt_R</code> (0xFFEA)<br> + <code>Qt::Key_Alt</code> (0x01000023)</td> + <td><code>KEYCODE_ALT_LEFT</code> (57)<br> + <code>KEYCODE_ALT_RIGHT</code> (58)</td> + </tr> + <tr> + <td><code>"AltGraph"</code> [5]</td> + <td><kbd>AltGr</kbd>或<kbd>AltGraph</kbd>（Alternate Graphics）键。 启用ISO Level 3移位修改器（其中<kbd>Shift</kbd>是2级修改器）。</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Mode_switch</code> (0xFF7E)<br> + <code>GDK_KEY_ISO_Level3_Shift</code> (0xFE03)<br> + <code>GDK_KEY_ISO_Level3_Latch</code> (0xFE04)<br> + <code>GDK_KEY_ISO_Level3_Lock</code> (0xFE05)<br> + <code>GDK_KEY_ISO_Level5_Shift</code> (0xFE11)<br> + <code>GDK_KEY_ISO_Level5_Latch</code> (0xFE12)<br> + <code>GDK_KEY_ISO_Level5_Lock</code> (0xFE13)<br> + <code>Qt::Key_AltGr</code> (0x01001103<br> + <code>Qt::Key_Mode_switch</code> (0x0100117E)</td> + <td></td> + </tr> + <tr> + <td><code>"CapsLock"</code></td> + <td>大写锁定键。 打开和关闭大写字符锁以进行后续输入。</td> + <td><code>VK_CAPITAL</code> (0x14)</td> + <td><code>kVK_CapsLock</code> (0x39)</td> + <td><code>GDK_KEY_Caps_Lock</code> (0xFFE5)<br> + <code>Qt::Key_CapsLock</code> (0x01000024)</td> + <td><code>KEYCODE_CAPS_LOCK</code> (115)</td> + </tr> + <tr> + <td><code>"Control"</code></td> + <td><kbd>Control</kbd>，<kbd>Ctrl</kbd>或<kbd>Ctrl</kbd>键。 允许输入控制字符。</td> + <td><code>VK_CONTROL</code> (0x11)<br> + <code>VK_LCONTROL</code> (0xA2)<br> + <code>VK_RCONTROL</code> (0xA3)</td> + <td><code>kVK_Control</code> (0x3B)<br> + <code>kVK_RightControl</code> (0x3E)</td> + <td><code>GDK_KEY_Control_L</code> (0xFFE3)<br> + <code>GDK_KEY_Control_R</code> (0xFFE4)<br> + <code>Qt::Key_Control</code> (0x01000021)</td> + <td><code>KEYCODE_CTRL_LEFT</code> (113)<br> + <code>KEYCODE_CTRL_RIGHT</code> (114)</td> + </tr> + <tr> + <td><code>"Fn"</code></td> + <td><kbd>Fn</kbd>（函数修饰符）键。 用于允许在没有专用功能键区域的键盘上生成功能键（例如<kbd>F1</kbd>-<kbd>F15</kbd>）字符。 通常在硬件中处理，以便不为此密钥生成事件。</td> + <td></td> + <td><code>kVK_Function</code> (0x3F)</td> + <td></td> + <td><code>KEYCODE_FUNCTION</code> (119)</td> + </tr> + <tr> + <td><code>"FnLock"</code></td> + <td><kbd>FnLock</kbd>或<kbd>F-Lock</kbd>（功能锁定）键。打开和关闭“<kbd>Fn</kbd>”描述的功能键模式。 通常在硬件中处理，以便不为此密钥生成事件。</td> + <td></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Hyper"</code> [4]</td> + <td> <kbd>Hyper</kbd> 键.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Hyper_L</code> (0xFFED)<br> + <code>GDK_KEY_Hyper_R</code> (0xFFEE)<br> + <code>Qt::Key_Hyper_L</code> (0x01000056)<br> + <code>Qt::Key_Hyper_R</code> (0x01000057)</td> + <td></td> + </tr> + <tr> + <td><code>"Meta"</code> [1]</td> + <td><kbd>Meta</kbd>键。 允许发出特殊命令输入。 这是<kbd>Windows</kbd>徽标键，或<kbd>Mac</kbd>键盘上的<kbd>Command</kbd>或⌘键。</td> + <td><code>VK_LWIN</code> (0x5B)<br> + <code>VK_RWIN</code> (0x5C)</td> + <td><code>kVK_Command</code> (0x37)<br> + <code>kVK_RightCommand</code> (0x36)</td> + <td><code>GDK_KEY_Meta_L</code> (0xFFE7)<br> + <code>GDK_KEY_Meta_R</code> (0xFFE8)<br> + <code>Qt::Key_Meta</code> (0x01000022)</td> + <td><code>KEYCODE_META_LEFT</code> (117)<br> + <code>KEYCODE_META_RIGHT</code> (118)</td> + </tr> + <tr> + <td><code>"NumLock"</code></td> + <td>The <kbd>NumLock</kbd> (Number Lock) key. Toggles the numeric keypad between number entry some other mode (often directional arrows).</td> + <td><code>VK_NUMLOCK</code> (0x90)</td> + <td></td> + <td><code>GDK_KEY_Num_Lock</code> (0xFF7F)<br> + <code>Qt::Key_NumLock</code> (0x01000025)</td> + <td><code>KEYCODE_NUM_LOCK</code> (143)</td> + </tr> + <tr> + <td><code>"ScrollLock"</code> [2]</td> + <td>The <kbd>Scroll Lock</kbd> key. Toggles beteen scrolling and cursor movement modes.</td> + <td><code>VK_SCROLL</code> (0x91)</td> + <td></td> + <td><code>GDK_KEY_Scroll_Lock</code> (0xFF14)<br> + <code>Qt::Key_ScrollLock</code> (0x01000026)</td> + <td><code>KEYCODE_SCROLL_LOCK</code> (116)</td> + </tr> + <tr> + <td><code>"Shift"</code></td> + <td>The <kbd>Shift</kbd> key. Modifies keystrokes to allow typing upper (or other) case letters, and to support typing punctuation and other special characters.</td> + <td><code>VK_SHIFT</code> (0x10)<br> + <code>VK_LSHIFT</code> (0xA0)<br> + <code>VK_RSHIFT</code> (0xA1)</td> + <td><code>kVK_Shift</code> (0x38)<br> + <code>kVK_RightShift</code> (0x3C)</td> + <td><code>GDK_KEY_Shift_L</code> (0xFFE1)<br> + <code>GDK_KEY_Shift_R</code> (0xFFE2)<br> + <code>Qt::Key_Shift</code> (0x01000020)</td> + <td><code>KEYCODE_SHIFT_LEFT</code> (59)<br> + <code>KEYCODE_SHIFT_RIGHT</code> (60)</td> + </tr> + <tr> + <td><code>"Super"</code> [4]</td> + <td>The <kbd>Super</kbd> key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Super_L</code> (0xFFEB)<br> + <code>GDK_KEY_Super_R</code> (0xFFEC)<br> + <code>Qt::Key_Super_L</code> (0x01000053)<br> + <code>Qt::Key_Super_R</code> (0x01000054)</td> + <td></td> + </tr> + <tr> + <td><code>"Symbol"</code></td> + <td>The <kbd>Symbol</kbd> modifier key (found on certain virtual keyboards).</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_SYM</code> (63) [3]</td> + </tr> + <tr> + <td><code>"SymbolLock"</code></td> + <td>The <kbd>Symbol Lock</kbd> key.</td> + <td></td> + <td></td> + <td></td> + <td></td> + </tr> + </thead> +</table> + +<p>[1] In Internet Explorer 9, as well as in all versions of Firefox, the <kbd>Windows</kbd> key is reported as <code>"OS"</code> instead of as <code>"Meta"</code>. This will be changed in Firefox per {{bug(1232918)}}. Until that's fixed, these keys are returned as <code>"OS"</code> by Firefox: <code>VK_LWIN</code> (0x5B) and <code>VK_RWIN</code> (0x5C) on Windows, and <code><code>GDK_KEY_Super_L</code> (0xFFEB)</code>, <code><code>GDK_KEY_Super_R</code> (0xFFEC)</code>, <code><code>GDK_KEY_Hyper_L</code> (0xFFED)</code>, and <code><code>GDK_KEY_Hyper_R</code> (0xFFEE)</code> on Linux.</p> + +<p>[2] Internet Explorer 9 reports <code>"Scroll"</code> instead of <code>"ScrollLock"</code> for the <kbd>Scroll Lock</kbd> key.</p> + +<p>[3] Firefox did not add support for the <kbd>Symbol</kbd> key until Firefox 37.</p> + +<p>[4] Firefox generates the key value <code>"OS</code>" for the <kbd>Super</kbd> and <kbd>Hyper</kbd> keys, instead of <code>"Super"</code> and <code>"Hyper"</code>.</p> + +<p>[5] Chrome 67 and Firefox 63 now correctly interpret the right <kbd>Alt</kbd> key for keyboard layouts which map that key to <kbd>AltGr</kbd>. See Firefox bug {{bug(900750)}} and <a href="https://bugs.chromium.org/p/chromium/issues/detail?id=25503">Chrome bug 25503</a> for further details.</p> + +<h2 id="Whitespace_keys">Whitespace keys</h2> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>"Enter"</code></td> + <td>The <kbd>Enter</kbd> or <kbd>↵</kbd> key (sometimes labeled <kbd>Return</kbd>).</td> + <td><code>VK_RETURN</code> (0x0D)</td> + <td><code>kVK_Return</code> (0x24)<br> + <code>kVK_ANSI_KeypadEnter</code> (0x4C)<br> + <code>kVK_Powerbook_KeypadEnter</code> (0x34)</td> + <td><code><code>GDK_KEY_Return</code> (0xFF0D)</code><br> + <code><code>GDK_KEY_KP_Enter</code> (0xFF8D)</code><br> + <code><code>GDK_KEY_ISO_Enter</code> (0xFE34)</code><br> + <code><code>GDK_KEY_3270_Enter</code> (0xFD1E)</code><br> + <code>Qt::Key_Return</code> (0x01000004)<br> + <code>Qt::Key_Enter</code> (0x01000005)</td> + <td><code>KEYCODE_ENTER</code> (66)<br> + <code>KEYCODE_NUMPAD_ENTER</code> (160)<br> + <code>KEYCODE_DPAD_CENTER</code> (23)</td> + </tr> + <tr> + <td><code>"Tab"</code></td> + <td>The Horizontal Tab key, <kbd>Tab</kbd>.</td> + <td><code>VK_TAB</code> (0x09)</td> + <td><code>kVK_Tab</code> (0x30)</td> + <td><code><code>GDK_KEY_Tab</code> (0xFF09)</code><br> + <code><code>GDK_KEY_KP_Tab</code> (0xFF89)<br> + GDK_KEY_ISO_Left_Tab</code> (0xFE20)<br> + <code>Qt::Key_Tab</code> (0x01000001)</td> + <td><code>KEYCODE_TAB</code> (61)</td> + </tr> + <tr> + <td><code>" "</code> [1]</td> + <td>The space key, <kbd>Space Bar</kbd>.</td> + <td><code>VK_SPACE</code> (0x20)</td> + <td><code>kVK_Space</code> (0x31)</td> + <td> + <p><code>GDK_KEY_space</code> (0x20)<br> + <code>GDK_KEY_KP_Space</code> (0xFF80)<br> + <code>Qt::Key_Space</code> (0x20)</p> + </td> + <td><code>KEYCODE_SPACE</code> (62)</td> + </tr> + </tbody> +</table> + +<p>[1] Older browsers may return "Spacebar" instead of " " for the <kbd>Space Bar</kbd> key. Firefox did so until version 37, as did Internet Explorer 9, 10, and 11.</p> + +<h2 id="Navigation_keys">Navigation keys</h2> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>"ArrowDown"</code> [1]</td> + <td>The down arrow key.</td> + <td><code>VK_DOWN</code> (0x28)</td> + <td><code>kVK_DownArrow</code> (0x7D)</td> + <td><code>GDK_KEY_Down</code> (0xFF54)<br> + <code>GDK_KEY_KP_Down</code> (0xFF99)<br> + <code>Qt::Key_Down</code> (0x01000015)</td> + <td><code>KEYCODE_DPAD_DOWN</code> (20)</td> + </tr> + <tr> + <td><code>"ArrowLeft"</code> [1]</td> + <td>The left arrow key.</td> + <td><code>VK_LEFT</code> (0x25)</td> + <td><code>kVK_LeftArrow</code> (0x7B)</td> + <td><code>GDK_KEY_Left</code> (0xFF51)<br> + <code>GDK_KEY_KP_Left</code> (0xFF96)<br> + <code>Qt::Key_Left</code> (0x01000012)</td> + <td><code>KEYCODE_DPAD_LEFT</code> (21)</td> + </tr> + <tr> + <td><code>"ArrowRight"</code> [1]</td> + <td>The right arrow key.</td> + <td><code>VK_RIGHT</code> (0x27)</td> + <td><code>kVK_RightArrow</code> (0x7C)</td> + <td><code>GDK_KEY_Right</code> (0xFF53)<br> + <code>GDK_KEY_KP_Right</code> (0xFF98)<br> + <code>Qt::Key_Right</code> (0x01000014)</td> + <td><code>KEYCODE_DPAD_RIGHT</code> (22)</td> + </tr> + <tr> + <td><code>"ArrowUp"</code> [1]</td> + <td>The up arrow key.</td> + <td><code>VK_UP</code><code> (0x26)</code></td> + <td><code>kVK_UpArrow</code> (0x7E)</td> + <td><code>GDK_KEY_Up</code> (0xFF52)<br> + <code>GDK_KEY_KP_Up</code> (0xFF97)<br> + <code>Qt::Key_Up</code> (0x01000013)</td> + <td><code>KEYCODE_DPAD_UP</code> (19)</td> + </tr> + <tr> + <td><code>"End"</code></td> + <td>The <kbd>End</kbd> key. Moves to the end of content.</td> + <td><code>VK_END</code> (0x23)</td> + <td><code>kVK_End</code> (0x77)</td> + <td><code>GDK_KEY_End</code> (0xFF57)<br> + <code>GDK_KEY_KP_End</code> (0xFF9C)<br> + <code>Qt::Key_End</code> (0x01000011)</td> + <td><code>KEYCODE_MOVE_END</code> (123)</td> + </tr> + <tr> + <td><code>"Home"</code></td> + <td>The <kbd>Home</kbd> key. Moves to the start of content.</td> + <td><code>VK_HOME</code> (0x24)</td> + <td><code>kVK_Home</code> (0x73)</td> + <td><code>GDK_KEY_Home</code> (0xFF50)<br> + <code>GDK_KEY_KP_Home</code> (0xFF95)<br> + <code>Qt::Key_Home</code> (0x01000010)</td> + <td><code>KEYCODE_MOVE_HOME</code> (122)</td> + </tr> + <tr> + <td><code>"PageDown"</code></td> + <td>The <kbd>Page Down</kbd> (or <kbd>PgDn</kbd>) key. Scrolls down or displays the next page of content.</td> + <td><code>VK_NEXT</code> (0x22)</td> + <td><code>kVK_PageDown</code><code> (0x79)</code></td> + <td><code>GDK_KEY_Page_Down</code> (0xFF56)<br> + <code>GDK_KEY_KP_Page_Down</code> (0xFF9B)<br> + <code>Qt::Key_PageDown</code> (0x01000017)</td> + <td><code>KEYCODE_PAGE_DOWN</code> (93)</td> + </tr> + <tr> + <td><code>"PageUp"</code></td> + <td>The <kbd>Page Up</kbd> (or <kbd>PgUp</kbd>) key. Scrolls up or displays the previous page of content.</td> + <td><code>VK_PRIOR</code> (0x21)</td> + <td><code>kVK_PageUp</code> (0x74)</td> + <td><code>GDK_KEY_Page_Up</code> (0xFF55)<br> + <code>GDK_KEY_KP_Page_Up</code> (0xFF9A)<br> + <code>Qt::Key_PageUp</code> (0x01000016)</td> + <td><code>KEYCODE_PAGE_UP</code> (92)</td> + </tr> + </tbody> +</table> + +<p>[1] Internet Explorer, Edge (16 and earlier), and Firefox (36 and earlier) use "Left", "Right", "Up", and "Down" instead of "ArrowLeft", "ArrowRight", "ArrowUp", and "ArrowDown".</p> + +<h2 id="Editing_keys">Editing keys</h2> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>"Backspace"</code></td> + <td>The <kbd>Backspace</kbd> key. This key is labeled <kbd>Delete</kbd> on Mac keyboards.</td> + <td><code>VK_BACK</code> (0x08)</td> + <td><code>kVK_Delete</code> (0x33)</td> + <td><code>GDK_KEY_BackSpace</code> (0xFF08)<br> + <code>Qt::Key_Backspace</code> (0x01000003)</td> + <td><code>KEYCODE_DEL</code> (67)</td> + </tr> + <tr> + <td><code>"Clear"</code></td> + <td>The <kbd>Clear</kbd> key. Removes the currently selected input.</td> + <td><code>VK_CLEAR</code> (0x0C)<br> + <code>VK_OEM_CLEAR</code> (0xFE)</td> + <td><code>kVK_ANSI_KeypadClear</code> (0x47)</td> + <td><code>GDK_KEY_Clear</code> (0xFF0B)<br> + <code>Qt::Key_Clear</code> (0x0100000B)</td> + <td><code>KEYCODE_CLEAR</code> (28)</td> + </tr> + <tr> + <td><code>"Copy"</code></td> + <td>The <kbd>Copy</kbd> key (on certain extended keyboards).</td> + <td><code>APPCOMMAND_COPY</code></td> + <td></td> + <td><code>GDK_KEY_Copy</code> (0x1008FF57)<br> + <code>Qt::Key_Copy</code> (0x010000CF)</td> + <td></td> + </tr> + <tr> + <td><code>"CrSel"</code> [3]</td> + <td>The Cursor Select key, <kbd>CrSel</kbd>.</td> + <td><code>VK_CRSEL</code> (0xF7)</td> + <td></td> + <td><code>GDK_KEY_3270_CursorSelect</code> (0xFD1C)</td> + <td></td> + </tr> + <tr> + <td><code>"Cut"</code></td> + <td>The <kbd>Cut</kbd> key (on certain extended keyboards).</td> + <td><code>APPCOMMAND_CUT</code></td> + <td></td> + <td><code>GDK_KEY_Cut</code> (0x1008FF58)<br> + <code>Qt::Key_Cut</code> (0x010000D0)</td> + <td></td> + </tr> + <tr> + <td><code>"Delete"</code> [2]</td> + <td>The Delete key, <kbd>Del</kbd>.</td> + <td><code>VK_DELETE</code> (0x2E)</td> + <td><code>kVK_ForwardDelete</code> (0x75) [1]</td> + <td><code>GDK_KEY_Delete</code> (0xFFFF)<br> + <code>GDK_KEY_KP_Delete</code> (0xFF9F)<br> + <code>Qt::Key_Delete</code> (0x01000007)</td> + <td><code>KEYCODE_FORWARD_DEL</code> (112)</td> + </tr> + <tr> + <td><code>"EraseEof"</code></td> + <td>Erase to End of Field. Deletes all characters from the current cursor position to the end of the current field.</td> + <td><code>VK_EREOF</code> (0xF9)</td> + <td></td> + <td><code>GDK_KEY_3270_ExSelect</code> (0xFD1B)</td> + <td></td> + </tr> + <tr> + <td><code>"ExSel"</code> [4]</td> + <td>The <kbd>ExSel</kbd> (Extend Selection) key.</td> + <td><code>VK_EXSEL</code> (0xF8)</td> + <td></td> + <td><code>GDK_KEY_3270_ExSelect</code> (0xFD1B)</td> + <td></td> + </tr> + <tr> + <td><code>"Insert"</code></td> + <td>The Insert key, <kbd>Ins</kbd>. Toggles between inserting and overwriting text.</td> + <td><code>VK_INSERT</code> (0x2D)</td> + <td></td> + <td><code>GDK_KEY_Insert</code> (0xFF63)<br> + <code>GDK_KEY_KP_Insert</code> (0xFF9E)<br> + <code>Qt::Key_Insert</code> (0x01000006)</td> + <td><code>KEYCODE_INSERT</code> (124)</td> + </tr> + <tr> + <td><code>"Paste"</code></td> + <td>Paste from the clipboard.</td> + <td><code>APPCOMMAND_PASTE</code></td> + <td></td> + <td><code>GDK_KEY_Paste</code> (0x1008FF6D)<br> + <code>Qt::Key_Paste</code> (0x010000E2)</td> + <td></td> + </tr> + <tr> + <td><code>"Redo"</code></td> + <td>Redo the last action.</td> + <td><code>APPCOMMAND_REDO</code></td> + <td></td> + <td><code>GDK_KEY_Redo</code> (0xFF66)</td> + <td></td> + </tr> + <tr> + <td><code>"Undo"</code></td> + <td>Undo the last action.</td> + <td><code>APPCOMMAND_UNDO</code></td> + <td></td> + <td><code>GDK_KEY_Undo</code> (0xFF65)</td> + <td></td> + </tr> + </tbody> +</table> + +<p>[1] On keyboards without a dedicated <kbd>Del</kbd> key, the Mac generates the <code>"Delete"</code> value when <kbd>Fn</kbd> is pressed in tandem with <kbd>Delete</kbd> (which is <kbd>Backspace</kbd> on other platforms).</p> + +<p>[2] Internet Explorer 9 and Firefox 36 and earlier use "Del" instead of "Delete" for the <kbd>Del</kbd> key.</p> + +<p>[3] Internet Explorer 9 and Firefox 36 and earlier generate the value <code>"Crsel"</code> instead of <code>"CrSel"</code> when the <kbd>CrSel</kbd> key is pressed.</p> + +<p>[4] Internet Explorer 9 and Firefox 36 and earlier generate the value <code>"Exsel"</code> instead of <code>"ExSel"</code> when the <kbd>ExSel</kbd> key is pressed.</p> + +<p>[5] Prior to Firefox 37, this key generated the value <code>"Unidentified"</code>.</p> + +<h2 id="UI_keys">UI keys</h2> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>"Accept"</code></td> + <td>The <kbd>Accept</kbd>, <kbd>Commit</kbd>, or <kbd>OK</kbd> key or button. Accepts the currently selected option or input method sequence conversion.</td> + <td><code>VK_ACCEPT</code> (0x1E)</td> + <td></td> + <td></td> + <td><code>KEYCODE_DPAD_CENTER</code> (23)</td> + </tr> + <tr> + <td><code>"Again"</code></td> + <td>The <kbd>Again</kbd> key. Redoes or repeats a previous action.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Redo</code> (0xFF66)</td> + <td></td> + </tr> + <tr> + <td><code>"Attn"</code> [4]</td> + <td>The <kbd>Attn</kbd> (Attention) key.</td> + <td><code>VK_OEM_ATTN</code> (0xF0)</td> + <td></td> + <td><code>GDK_KEY_3270_Attn</code> (0xFD0E)</td> + <td></td> + </tr> + <tr> + <td><code>"Cancel"</code> [1]</td> + <td>The <kbd>Cancel</kbd> key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Cancel</code> (0xFF69)</td> + <td></td> + </tr> + <tr> + <td><code>"ContextMenu"</code> [3]</td> + <td>Shows the context menu. Typically found between the <kbd>Windows</kbd> (or <kbd>OS</kbd>) key and the <kbd>Control</kbd> key on the right side of the keyboard.</td> + <td><code>VK_APPS</code> (0x5D)</td> + <td><code>kVK_PC_ContextMenu</code> (0x6E)</td> + <td><code>GDK_KEY_Menu</code> (0xFF67)<br> + <code>Qt::Key_Menu</code> (0x01000055)</td> + <td><code>KEYCODE_MENU</code> (82)</td> + </tr> + <tr> + <td><code>"Escape"</code> [2]</td> + <td>The <kbd>Esc</kbd> (Escape) key. Typically used as an exit, cancel, or "escape this operation" button. Historically, the Escape character was used to signal the start of a special control sequence of characters called an "escape sequence."</td> + <td><code>VK_ESCAPE</code> (0x1B)</td> + <td><code>kVK_Escape</code> (0x35)</td> + <td><code>GDK_KEY_Escape</code> (0xFF1B)<br> + <code>Qt::Key_Escape</code> (0x01000000)</td> + <td><code>KEYCODE_ESCAPE</code> (111)</td> + </tr> + <tr> + <td><code>"Execute"</code></td> + <td>The <kbd>Execute</kbd> key.</td> + <td><code>VK_EXECUTE</code> (0x2B)</td> + <td></td> + <td><code>Qt::Key_Execute</code> (0x01020003)</td> + <td></td> + </tr> + <tr> + <td><code>"Find"</code></td> + <td>The <kbd>Find</kbd> key. Opens an interface (typically a dialog box) for performing a find/search operation.</td> + <td><code>APPCOMMAND_FIND</code></td> + <td></td> + <td><code>GDK_KEY_Find</code> (0xFF68)</td> + <td></td> + </tr> + <tr> + <td><code>"Finish"</code> [5]</td> + <td>The <kbd>Finish</kbd> key.</td> + <td><code>VK_OEM_FINISH</code> (0xF1)</td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Help"</code></td> + <td>The <kbd>Help</kbd> key. Opens or toggles the display of help information.</td> + <td><code>VK_HELP</code> (0x2F)<br> + <code>APPCOMMAND_HELP</code></td> + <td><code>kVK_Help</code> (0x72)</td> + <td><code>GDK_KEY_Help</code> (0xFF6A)<br> + <code>Qt::Key_Help</code> (0x01000058)</td> + <td><code>KEYCODE_HELP</code> (259)</td> + </tr> + <tr> + <td><code>"Pause"</code></td> + <td>The <kbd>Pause</kbd> key. Pauses the current application or state, if applicable. + <div class="note">This shouldn't be confused with the <code>"MediaPause"</code> key value, which is used for media controllers, rather than to control applications and processes.</div> + </td> + <td><code>VK_PAUSE</code> (0x13)</td> + <td></td> + <td><code>GDK_KEY_Pause</code> (0xFF13)<br> + <code>GDK_KEY_Break</code> (0xFF6B)<br> + <code>Qt::Key_Pause</code> (0x01000008)</td> + <td><code>KEYCODE_BREAK</code> (121)</td> + </tr> + <tr> + <td><code>"Play"</code></td> + <td>The <kbd>Play</kbd> key. Resumes a previously paused application, if applicable. + <div class="note">This shouldn't be confused with the <code>"MediaPlay"</code> key value, which is used for media controllers, rather than to control applications and processes.</div> + </td> + <td><code>VK_PLAY</code> (0xFA)</td> + <td></td> + <td><code>GDK_KEY_3270_Play</code> (0xFD16)<br> + <code>Qt::Key_Play</code> (0x01020005)</td> + <td></td> + </tr> + <tr> + <td><code>"Props"</code></td> + <td>The <kbd>Props</kbd> (Properties) key.</td> + <td></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Select"</code></td> + <td>The <kbd>Select</kbd> key.</td> + <td><code>VK_SELECT</code> (0x29)</td> + <td></td> + <td><code>GDK_KEY_Select</code> (0xFF60)</td> + <td><code>KEYCODE_BUTTON_SELECT</code> (109)</td> + </tr> + <tr> + <td><code>"ZoomIn"</code> [6]</td> + <td>The <kbd>ZoomIn</kbd> key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_ZoomIn</code> (0x1008FF8B)<br> + <code>Qt::Key_ZoomIn</code> (0x010000F6)</td> + <td><code>KEYCODE_ZOOM_IN</code> (168)</td> + </tr> + <tr> + <td><code>"ZoomOut"</code> [6]</td> + <td>The <kbd>ZoomOut</kbd> key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_ZoomOut</code> (0x1008FF8C)<br> + <code>Qt::Key_ZoomOut</code> (0x010000F7)</td> + <td><code>KEYCODE_ZOOM_OUT</code> (169)</td> + </tr> + </tbody> +</table> + +<p>[1] In Google Chrome 52, the <kbd>Cancel</kbd> key incorrectly returns the key code <code>"Pause"</code>. This is fixed in Chrome 53. See <a href="https://bugs.chromium.org/p/chromium/issues/detail?id=612749">Chrome bug 612749</a> for details.</p> + +<p>[2] In Internet Explorer 9 and Firefox 36 and earlier, the <kbd>Esc</kbd> key returns <code>"Esc"</code> instead of <code>"Escape"</code>.</p> + +<p>[3] Internet Explorer 9 and Firefox 36 and earlier report <code>"Apps"</code> instead of <code>"ContextMenu"</code> for the context menu key.</p> + +<p>[4] The <kbd>Attn</kbd> key generates the key code <code>"Unidentified"</code> on Internet Explorer 9. Firefox and Google Chrome report the same, unless the Japanese keyboard layout is in effect, in which case it generates <code>"KanaMode"</code> instead.</p> + +<p>[5] The <kbd>Finish</kbd> key gemerates the key code <code>"Unidentified"</code> on Internet Explorer 9. Firefox reports the same, unless the Japanese keyboard layout is in effect, in which case it generates <code>"Katakana"</code> instead.</p> + +<p>[6] Firefox didn't support the <code>"ZoomIn"</code> and <code>"ZoomOut"</code> keys until Firefox 37.</p> + +<h2 id="Device_keys">Device keys</h2> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>"BrightnessDown"</code></td> + <td>The Brightness Down key. Typically used to reduce the brightness of the display.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_MonBrightnessDown</code> (0x1008FF03)<br> + <code>Qt::Key_MonBrightnessDown</code> (0x010000B3)</td> + <td><code>KEYCODE_BRIGHTNESS_DOWN</code> (220)</td> + </tr> + <tr> + <td><code>"BrightnessUp"</code></td> + <td>The Brightness Up key. Typically increases the brightness of the display.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_MonBrightnessUp</code> (0x1008FF02)<br> + <code>Qt::Key_MonBrightnessUp</code> (0x010000B2)</td> + <td><code>KEYCODE_BRIGHTNESS_UP</code> (221)</td> + </tr> + <tr> + <td><code>"Eject"</code></td> + <td>The <kbd>Eject</kbd> key. Ejects removable media (or toggles an optical storage device tray open and closed).</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Eject</code> (0x1008FF2C)<br> + <code>Qt::Key_Eject</code> (0x010000B9)</td> + <td><code>KEYCODE_MEDIA_EJECT</code> (129)</td> + </tr> + <tr> + <td><code>"LogOff"</code> [2]</td> + <td>The <kbd>LogOff</kbd> key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_LogOff</code> (0x1008FF61)<br> + <code>Qt::Key_LogOff</code> (0x010000D9)</td> + <td></td> + </tr> + <tr> + <td><code>"Power"</code></td> + <td>The <kbd>Power</kbd> button or key, to toggle power on and off. + <div class="note">Not all systems pass this key through to to the user agent.</div> + </td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_POWER</code> (26)</td> + </tr> + <tr> + <td><code>"PowerOff"</code></td> + <td>The <kbd>PowerOff</kbd> or <kbd>PowerDown</kbd> key. Shuts off the system.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_PowerDown</code> (0x1008FF21)<br> + <code>GDK_KEY_PowerOff</code> (0x1008FF2A)<br> + <code>Qt::Key_PowerDown</code> (0x0100010B)<br> + <code>Qt::Key_PowerOff</code> (0x010000B7)</td> + <td></td> + </tr> + <tr> + <td><code>"PrintScreen"</code></td> + <td>The <kbd>PrintScreen</kbd> or <kbd>PrtScr</kbd> key. Sometimes <kbd>SnapShot</kbd>. Captures the screen and prints it or saves it to disk.</td> + <td><code>VK_SNAPSHOT</code> (0x2C)</td> + <td></td> + <td><code>GDK_KEY_3270_PrintScreen</code> (0xFD1D)<br> + <code>GDK_KEY_Print</code> (0xFF61)<br> + <code>GDK_KEY_Sys_Req</code> (0xFF15)<br> + <code>Qt::Key_Print</code> (0x01000009)<br> + <code>Qt::Key_SysReq</code> (0x0100000A)</td> + <td><code>KEYCODE_SYSRQ</code> (120)</td> + </tr> + <tr> + <td><code>"Hibernate"</code> [2]</td> + <td>The <kbd>Hibernate</kbd> key. This saves the state of the computer to disk and then shuts down; the computer can be returned to its previous state by restoring the saved state information.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Hibernate</code> (0x1008FFA8)<br> + <code>Qt::Key_Hibernate</code> (0x01000108)</td> + <td></td> + </tr> + <tr> + <td><code>"Standby"</code> [1]</td> + <td>The <kbd>Standby</kbd> key; also known as <kbd>Suspend</kbd> or <kbd>Sleep</kbd>. This turns off the display and puts the computer in a low power consumption mode, without completely powering off.</td> + <td><code>VK_SLEEP</code> (0x5F)</td> + <td></td> + <td><code>GDK_KEY_Standby</code> (0x1008FF10)<br> + <code>GDK_KEY_Suspend</code> (0x1008FFA7)<br> + <code>GDK_KEY_Sleep</code> (0x1008FF2F)<br> + <code>Qt::Key_Standby</code> (0x01000093)<br> + <code>Qt::Key_Suspend</code> (0x0100010C)<br> + <code>Qt::Key_Sleep</code> (0x01020004)</td> + <td><code>KEYCODE_SLEEP</code> (223)</td> + </tr> + <tr> + <td><code>"WakeUp"</code> [2]</td> + <td>The <kbd>WakeUp</kbd> key; used to wake the computer from the hibernation or standby modes.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_WakeUp</code> (0x1008FF2B)<br> + <code>Qt::Key_WakeUp</code> (0x010000B8)</td> + <td><code>KEYCODE_WAKEUP</code> (224)</td> + </tr> + </tbody> +</table> + +<p>[1] The <kbd>Standby</kbd> key is not supported by Internet Explorer 9 and Firefox 36 and earlier, so it is reported as <code>"Unidentified"</code>.</p> + +<p>[2] Prior to Firefox 37, this key generated the value <code>"Unidentified"</code>.</p> + +<h2 id="IME_and_composition_keys">IME and composition keys</h2> + +<p>Keys used when using an Input Method Editor (IME) to input text which can't readily be entered by simple keypresses, such as text in languages such as those which have more graphemes than there are character entry keys on the keyboard; common examples include Chinese, Japanese, Korean, and Hindi.</p> + +<p>Some keys are common across multiple languages, while others exist only on keyboards targeting specific languages. In addition, not all keyboards have all of these keys.</p> + +<h4 id="Common_IME_keys">Common IME keys</h4> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>"AllCandidates"</code></td> + <td>The <kbd>All Candidates</kbd> key, which starts multi-candidate mode, in which multiple candidates are displayed for the ongoing input.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_MultipleCandidate</code> (0xFF3D<br> + <code>Qt::Key_MultipleCandidate</code> (0x0100113D)</td> + <td></td> + </tr> + <tr> + <td><code>"Alphanumeric"</code></td> + <td>The <kbd>Alphanumeric</kbd> key.</td> + <td><code>VK_OEM_ATTN</code> (0xF0)</td> + <td></td> + <td><code>GDK_KEY_Eisu_Shift</code> (0xFF2F)<br> + <code>GDK_KEY_Eisu_toggle</code> (0xFF30)<br> + <code>Qt::Key_Eisu_Shift</code> (0x0100112f)<br> + <code>Qt::Key_Eisu_toggle</code> (0x01001130)</td> + <td></td> + </tr> + <tr> + <td><code>"CodeInput"</code></td> + <td>The <kbd>Code Input</kbd> key, which enables code input mode, which lets the user enter characters by typing their code points (their Unicode character numbers, typically).</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Codeinput</code> (0xFF37)<br> + <code>Qt::Key_Codeinput</code> (0x01001137)</td> + <td></td> + </tr> + <tr> + <td><code>"Compose"</code></td> + <td>The <kbd>Compose</kbd> key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Multi_key</code> (0xFF20) [1]<br> + <code>Qt::Key_Multi_key</code> (0x01001120)</td> + <td></td> + </tr> + <tr> + <td><code>"Convert"</code> [4]</td> + <td>The <kbd>Convert</kbd> key, which instructs the IME to convert the current input method sequence into the resulting character.</td> + <td><code>VK_CONVERT</code> (0x1C)</td> + <td></td> + <td><code>GDK_KEY_Henkan</code> (0xFF23)<br> + <code>Qt::Key_Henkan</code> (0x01001123)</td> + <td><code>KEYCODE_HENKAN</code> (214)</td> + </tr> + <tr> + <td><code>"Dead"</code></td> + <td>A dead "combining" key; that is, a key which is used in tandem with other keys to generate accented and other modified characters. If pressed by itself, it doesn't generate a character. If you wish to identify which specific dead key was pressed (in cases where more than one exists), you can do so by examining the {{domxref("KeyboardEvent")}}'s associated {{event("compositionupdate")}} event's {{domxref("CompositionEvent.data", "data")}} property.</td> + <td></td> + <td></td> + <td>See {{anch("Dead keycodes for Linux")}} below</td> + <td></td> + </tr> + <tr> + <td><code>"FinalMode"</code></td> + <td>The <kbd>Final</kbd> (Final Mode) key is used on some Asian keyboards to enter final mode when using IMEs.</td> + <td><code>VK_FINAL</code> (0x18)</td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"GroupFirst"</code></td> + <td>Switches to the first character group on an <a href="https://en.wikipedia.org/wiki/ISO/IEC_9995">ISO/IEC 9995 keyboard</a>. Each key may have multiple groups of characters, each in its own column. Pressing this key instructs the device to interpret keypresses as coming from the first column on subsequent keystrokes.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_ISO_First_Group</code> (0xFE0C)</td> + <td></td> + </tr> + <tr> + <td><code>"GroupLast"</code></td> + <td>Switches to the last character group on an <a href="https://en.wikipedia.org/wiki/ISO/IEC_9995">ISO/IEC 9995 keyboard</a>.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_ISO_Last_Group</code> (0xFE0E)</td> + <td></td> + </tr> + <tr> + <td><code>"GroupNext"</code> [4]</td> + <td>Switches to the next character group on an <a href="https://en.wikipedia.org/wiki/ISO/IEC_9995">ISO/IEC 9995 keyboard</a>.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_ISO_Next_Group</code> (0xFE08)</td> + <td><code>KEYCODE_LANGUAGE_SWITCH</code> (204)</td> + </tr> + <tr> + <td><code>"GroupPrevious"</code></td> + <td>Switches to the previous character group on an <a href="https://en.wikipedia.org/wiki/ISO/IEC_9995">ISO/IEC 9995 keyboard</a>.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_ISO_Prev_Group</code> (0xFE0A)</td> + <td></td> + </tr> + <tr> + <td><code>"ModeChange"</code> [5]</td> + <td>The Mode Change key. Toggles or cycles among input modes of IMEs.</td> + <td><code>VK_MODECHANGE</code> (0x1F)</td> + <td></td> + <td><code>GDK_KEY_Mode_switch</code> (0xFF7E)<br> + <code>GDK_KEY_script_switch</code> (0xFF7E)<br> + <code>Qt::Key_Mode_switch</code> (0x0100117E)</td> + <td><code>KEYCODE_SWITCH_CHARSET</code> (95)</td> + </tr> + <tr> + <td><code>"NextCandidate"</code></td> + <td>The Next Candidate function key. Selects the next possible match for the ongoing input.</td> + <td></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"NonConvert"</code> [2]</td> + <td>The <kbd>NonConvert</kbd> ("Don't convert") key. This accepts the current input method sequence without running conversion when using an IME.</td> + <td><code>VK_NONCONVERT</code> (0x1D)</td> + <td></td> + <td><code>GDK_KEY_Muhenkan</code> (0xFF22)<br> + <code>Qt::Key_Muhenkan</code> (0x01001122)</td> + <td><code>KEYCODE_MUHENKAN</code> (213)</td> + </tr> + <tr> + <td><code>"PreviousCandidate"</code></td> + <td>The Previous Candidate key. Selects the previous possible match for the ongoing input.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_PreviousCandidate</code> (0xFF3E)<br> + <code>Qt::Key_PreviousCandidate</code> (0x0100113E)</td> + <td></td> + </tr> + <tr> + <td><code>"Process"</code> [3]</td> + <td>The <kbd>Process</kbd> key. Instructs the IME to process the conversion.</td> + <td><code>VK_PROCESSKEY</code> (0xE5)</td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"SingleCandidate"</code> [4]</td> + <td>The Single Candidate key. Enables single candidate mode (as opposed to multi-candidate mode); in this mode, only one candidate is displayed at a time.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_SingleCandidate</code> (0xFF3C)<br> + <code>Qt::Key_SingleCandidate</code> (0x0100113C)</td> + <td></td> + </tr> + </tbody> +</table> + +<p>[1] On the <em>X Window System</em>, the <kbd>Compose</kbd> key is called the <kbd>Multi</kbd> key.</p> + +<p>[2] The <kbd>NonConvert</kbd> key is reported as <code>"Nonconvert"</code> instead of the correct <code>"NonConvert"</code> by Internet Explorer 9 and Firefox versions 36 and earlier.</p> + +<p>[3] The <kbd>Process</kbd> key currently returns <code>"Unidentified"</code> in Firefox and Internet Explorer. Google Chrome returns the value of the key as if IME were not in use.</p> + +<p>[4] Prior to Firefox 37, these keys were <code>"Unidentified"</code>.</p> + +<p>[5] Firefox generates the key value <code>"AltGraph"</code> instead of <code>"ModeChange"</code>.</p> + +<h3 id="Korean_keyboards_only">Korean keyboards only</h3> + +<p>These keys are only available on Korean keyboards. There are other keys defined by various platforms for Korean keyboards, but these are the most common and are the ones identified by the UI Events specification.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"HangulMode"</code></td> + <td>The <kbd>Hangul</kbd> (Korean character set) mode key, which toggles between Hangul and English entry modes.</td> + <td><code>VK_HANGUL</code> (0x15) [1]</td> + <td></td> + <td><code>GDK_KEY_Hangul</code> (0xFF31)<br> + <code>Qt::Key_Hangul</code> (0x01001131)</td> + <td></td> + </tr> + <tr> + <td><code>"HanjaMode"</code></td> + <td>Selects the Hanja mode, for converting Hangul characters to the more specific Hanja characters.</td> + <td><code>VK_HANJA</code> (0x19) [1]</td> + <td></td> + <td><code>GDK_KEY_Hangul_Hanja</code> (0xFF34)<br> + <code>Qt::Key_Hangul_Hanja</code> (0x01001134)</td> + <td></td> + </tr> + <tr> + <td><code>"JunjaMode"</code></td> + <td>Selects the Junja mode, in which Korean is represented using single-byte Latin characters.</td> + <td><code>VK_JUNJA</code> (0x17)</td> + <td></td> + <td><code>GDK_KEY_Hangul_Jeonja</code> (0xFF38)<br> + <code>Qt::Key_Hangul_Jeonja</code> (0x01001138)</td> + <td></td> + </tr> + </thead> +</table> + +<p>[1] <code>VK_HANGUL</code> and <code>VK_KANA</code> share the same numeric key value on Windows, as do <code>VK_HANJA</code> and <code>VK_KANJI</code>.</p> + +<h3 id="Japanese_keyboards_only">Japanese keyboards only</h3> + +<p>These keys are only available on Japanese keyboards.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"Eisu"</code> [1]</td> + <td>The <kbd>Eisu</kbd> key. This key's purpose is defined by the IME, but may be used to close the IME.</td> + <td></td> + <td><code>kVK_JIS_Eisu</code> (0x66)</td> + <td><code>GDK_KEY_Eisu_toggle</code> (0xFF2F)<br> + <code>Qt::Key_Eisu_toggle</code> (0x01001130)</td> + <td><code>KEYCODE_EISU</code> (212)</td> + </tr> + <tr> + <td><code>"Hankaku"</code> [3]</td> + <td>The <kbd>Hankaku</kbd> (half-width characters) key.</td> + <td><code>VK_OEM_AUTO</code> (0xF3)</td> + <td></td> + <td><code>GDK_KEY_Hankaku</code> (0xFF29)<br> + <code>Qt::Key_Hankaku</code> (0x01001129)</td> + <td></td> + </tr> + <tr> + <td><code>"Hiragana"</code></td> + <td>The <kbd>Hiragana</kbd> key; selects Kana characters mode.</td> + <td><code>VK_OEM_COPY</code> (0xF2)</td> + <td></td> + <td><code>GDK_KEY_Hiragana</code> (0xFF25)<br> + <code>Qt::Key_Hiragana</code> (0x01001125)</td> + <td></td> + </tr> + <tr> + <td><code>"HiraganaKatakana"</code> [6]</td> + <td>Toggles between the Hiragana and Katakana writing systems.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Hiragana_Katakana</code> (0xFF27)<br> + <code>Qt::Key_Hiragana_Katakana</code> (0x01001127)</td> + <td><code>KEYCODE_KATAKANA_HIRAGANA</code> (215)</td> + </tr> + <tr> + <td><code>"KanaMode"</code></td> + <td>The <kbd>Kana Mode</kbd> (Kana Lock) key.</td> + <td><code>VK_KANA</code> (0x15) [2]<br> + <code>VK_ATTN</code> (0xF6)</td> + <td></td> + <td><code>GDK_KEY_Kana_Lock</code> (0xFF2D)<br> + <code>GDK_KEY_Kana_Shift</code> (0xFF2E)<br> + <code>Qt::Key_Kana_Lock</code> (0x0100112D)<br> + <code>Qt::Key_Kana_Shift</code> (0x0100112E)</td> + <td></td> + </tr> + <tr> + <td><code>"KanjiMode"</code></td> + <td>The <kbd>Kanji Mode</kbd> key. Enables entering Japanese text using the ideographic characters of Chinese origin.</td> + <td><code>VK_KANJI</code> [2]</td> + <td><code>kVK_JIS_Kana</code> (0x68)</td> + <td><code>GDK_KEY_Kanji</code> (0xFF21)<br> + <code>Qt::Key_Kanji</code> (0x01001121)</td> + <td><code>KEYCODE_KANA</code> (218)</td> + </tr> + <tr> + <td><code>"Katakana"</code></td> + <td>The <kbd>Katakana</kbd> key.</td> + <td><code>VK_OEM_FINISH</code> (0xF1)</td> + <td></td> + <td><code>GDK_KEY_Katakana</code> (0xFF26)<br> + <code>Qt::Key_Katakana</code> (0x01001126)</td> + <td></td> + </tr> + <tr> + <td><code>"Romaji"</code> [5]</td> + <td>The <kbd>Romaji</kbd> key; selects the Roman character set.</td> + <td><code>VK_OEM_BACKTAB</code> (0xF5)</td> + <td></td> + <td><code>GDK_KEY_Romaji</code> (0xFF24)<br> + <code>Qt::Key_Romaji</code> (0x01001124)</td> + <td></td> + </tr> + <tr> + <td><code>"Zenkaku"</code> [4]</td> + <td>The <kbd>Zenkaku</kbd> (full width) characters key.</td> + <td><code>VK_OEM_ENLW</code> (0xF4)</td> + <td></td> + <td><code>GDK_KEY_Zenkaku</code> (0xFF28)<br> + <code>Qt::Key_Zenkaku</code> (0x01001128)</td> + <td></td> + </tr> + <tr> + <td><code>"ZenkakuHanaku"</code> [6]</td> + <td>The <kbd>Zenkaku/Hankaku</kbd> (full width/half width) toggle key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Zenkaku_Hankaku</code> (0xFF2A)<br> + <code>Qt::Zenkaku_Hankaku</code> (0x0100112A)</td> + <td> + <p><code>KEYCODE_ZENKAKU_HANKAKU</code> (211)</p> + </td> + </tr> + </thead> +</table> + +<p>[1] Prior to Firefox 37, the <kbd>Eisu</kbd> key was mapped to <code>"RomanCharacters"</code> by mistake.</p> + +<p>[2] <code>VK_HANGUL</code> and <code>VK_KANA</code> share the same numeric key value on Windows, as do <code>VK_HANJA</code> and <code>VK_KANJI</code>.</p> + +<p>[3] Prior to Firefox 37, the <kbd>Hankaku</kbd> (half-width) key generated the key value <code>"HalfWidth"</code> on Firefox. Also, this key generates the value <code>"Unidentified"</code> on Internet Explorer 9.</p> + +<p>[4] Internet Explorer 9 reports <code>"Unidentified"</code> for the <kbd>Zenkaku</kbd> key; Firefox 36 and earlier identify this key as <code>"FullWidth"</code> on Japanese keyboard layouts and <code>"Unidentified"</code> on all other keyboard layouts. Firefox 37 and later, and all versions of Google Chrome, correctly return <code>"Zenkaku"</code>.</p> + +<p>[5] <code>"Unidentified"</code> in Internet Explorer 9. Firefox 36 and earlier identify the <kbd>Romaji</kbd> key as <code>"RomanCharacters"</code> on Japanese keyboards and <code>"Unidentified"</code> for other keyboards; this is corrected to return <code>"Romaji"</code> in Firefox 37 and later.</p> + +<p>[6] This key is reported as <code>"Unidentified"</code> prior to Firefox 37.</p> + +<h3 id="Dead_keycodes_for_Linux">Dead keycodes for Linux</h3> + +<p>Linux generates accented characters using special <strong>dead keys</strong>; these are keys which are pressed in combination with character keys to generate accented forms of those characters. You can identify which specific dead key was used (if more than one exists) by examining the {{domxref("KeyboardEvent")}}'s associated {{event("compositionupdate")}} event's {{domxref("CompositionEvent.data", "data")}} property.</p> + +<p>You can find a table of the dead keys and the characters they can be used with to generate accented or otherwise special characters on Linux using GTK</p> + +<p>The value of {{domxref("CompositionEvent.data", "data")}} will be one of the following:</p> + +<table class="standard-table"> + <tbody> + <tr> + <td><strong><code>CompositionEvent.data</code></strong> value</td> + <td>Symbol</td> + <td>Comments</td> + </tr> + <tr> + <td><code>GDK_KEY_dead_grave</code> (0xFE50)<br> + <code>Qt::Key_Dead_Grave</code> (0x01001250)</td> + <td>`</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_acute</code> (0xFE51)<br> + <code>Qt::Key_Dead_Acute</code> (0x01001251)</td> + <td>´</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_circumflex</code> (0xFE52)<br> + <code>Qt::Key_Dead_Circumflex</code> (0x01001252)</td> + <td>ˆ</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_tilde</code> (0xFE53)<br> + <code>Qt::Key_Dead_Tilde</code> (0x01001253)</td> + <td>˜</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_perispomeni</code> (0xFE53)</td> + <td>͂</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_macron</code> (0xFE54)<br> + <code>Qt::Key_Dead_Macron</code> (0x01001254)</td> + <td>¯</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_breve</code> (0xFE55)<br> + <code>Qt::Key_Dead_Breve</code> (0x01001255)</td> + <td>˘</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_abovedot</code> (0xFE56)<br> + <code>Qt::Key_Dead_Abovedot</code> (0x01001256)</td> + <td>˙</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_diaeresis</code> (0xFE57)<br> + <code>Qt::Key_Dead_Diaeresis</code> (0x01001257)</td> + <td>¨</td> + <td>Also called an umlaut.</td> + </tr> + <tr> + <td><code>GDK_KEY_dead_abovering</code> (0xFE58)<br> + <code>Qt::Key_Dead_Abovering</code> (0x01001258)</td> + <td>˚</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_doubleacute</code> (0xFE59)<br> + <code>Qt::Key_Dead_Doubleacute</code> (0x01001259)</td> + <td>˝</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_caron</code> (0xFE5A)<br> + <code>Qt::Key_Dead_Caron</code> (0x0100125A)</td> + <td>ˇ</td> + <td>Also called a háček; used in Czech among other languages.</td> + </tr> + <tr> + <td><code>GDK_KEY_dead_cedilla</code> (0xFE5B)<br> + <code>Qt::Key_Dead_Cedilla</code> (0x0100125B)</td> + <td>¸</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_ogonek</code> (0xFE5C)<br> + <code>Qt::Key_Dead_Ogonek</code> (0x0100125C)</td> + <td>˛</td> + <td>Also called a nosinė; used in Polish and Old Irish.</td> + </tr> + <tr> + <td><code>GDK_KEY_dead_iota</code> (0xFE5D)<br> + <code>Qt::Key_Dead_Iota</code> (0x0100125D)</td> + <td>ͅ</td> + <td>Iota subscript.</td> + </tr> + <tr> + <td><code>GDK_KEY_dead_voiced_sound</code> (0xFE5E)<br> + <code>Qt::Key_Dead_Voiced_Sound</code> (0x0100125E)</td> + <td>゙</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_semivoiced_sound</code> (0xFE5F)<br> + <code>Qt::Key_Dead_Semivoiced_Sound</code> (0x0100125F)</td> + <td>゚</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowdot</code> (0xFE60)<br> + <code>Qt::Key_Dead_Belowdot</code> (0x01001260)</td> + <td>̣̣</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_hook</code> (0xFE61)<br> + <code>Qt::Key_Dead_Hook</code> (0x01001261)</td> + <td>̡</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_horn</code> (0xFE62)<br> + <code>Qt::Key_Dead_Horn</code> (0x01001262)</td> + <td>̛</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_stroke</code> (0xFE63)</td> + <td>̶̶</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_abovecomma</code> (0xFE64)</td> + <td>̓̓</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_psili</code> (0xFE64)</td> + <td>᾿</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_abovereversedcomma</code> (0xFE65)</td> + <td>ʽ</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_dasia</code> (0xFE65)</td> + <td>῾</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_doublegrave</code> (0xFE66)</td> + <td>̏</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowring</code> (0xFE67)</td> + <td>˳</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowmacron</code> (0xFE68)</td> + <td>̱</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowcircumflex</code> (0xFE69)</td> + <td>ꞈ</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowtilde</code> (0xFE6A)</td> + <td>̰</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowbreve</code> (0xFE6B)</td> + <td>̮</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowdiaeresis</code> (0xFE6C)</td> + <td>̤</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_invertedbreve</code> (0xFE6D)</td> + <td>̯</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_belowcomma</code> (0xFE6E)</td> + <td>̦</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_currency</code> (0xFE6F)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_a</code> (0xFE80)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_A</code> (0xFE81)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_e</code> (0xFE82)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_E</code> (0xFE83)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_i</code> (0xFE84)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_I</code> (0xFE85)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_o</code> (0xFE86)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_O</code> (0xFE87)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_u</code> (0xFE88)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_U</code> (0xFE89)</td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_small_schwa</code> (0xFE8A)</td> + <td>ə</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_capital_schwa</code> (0xFE8B)</td> + <td>Ə</td> + <td></td> + </tr> + <tr> + <td><code>GDK_KEY_dead_greek</code> (0xFE8C)</td> + <td></td> + <td></td> + </tr> + </tbody> +</table> + +<h2 id="Function_keys">Function keys</h2> + +<p>While various platforms support different numbers of the general-purpose function keys, such as <kbd>F1</kbd>-<kbd>F12</kbd> (or <kbd>F1</kbd>-<kbd>F10</kbd>, or <kbd>F1</kbd>-<kbd>F15</kbd>, or...), the first few are specifically defined as follows. If more function keys are available, their names continue the pattern here by continuing to increment the numeric portion of each key's name, so that, for example, <code>"F24"</code> is a valid key value.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"F1"</code></td> + <td>The first general-purpose function key, <kbd>F1</kbd>.</td> + <td><code>VK_F1</code> (0x70)</td> + <td><code>kVK_F1</code> (0x7A)</td> + <td><code>GDK_KEY_F1</code> (0xFFBE)<br> + <code>GDK_KEY_KP_F1</code> (0xFF91)<br> + <code>Qt::Key_F1</code> (0x01000030)</td> + <td><code>KEYCODE_F1</code> (131)</td> + </tr> + <tr> + <td><code>"F2"</code></td> + <td>The <kbd>F2</kbd> key.</td> + <td><code>VK_F2</code> (0x71)</td> + <td><code>kVK_F2</code> (0x78)</td> + <td><code>GDK_KEY_F2</code> (0xFFBF)<br> + <code>GDK_KEY_KP_F2</code> (0xFF92)<br> + <code>Qt::Key_F2</code> (0x01000031)</td> + <td><code>KEYCODE_F2</code> (132)</td> + </tr> + <tr> + <td><code>"F3"</code></td> + <td>The <kbd>F3</kbd> key.</td> + <td><code>VK_F3</code> (0x72)</td> + <td><code>kVK_F3</code> (0x63)</td> + <td><code>GDK_KEY_F3</code> (0xFFC0)<br> + <code>GDK_KEY_KP_F3</code> (0xFF93)<br> + <code>Qt::Key_F3</code> (0x01000032)</td> + <td><code>KEYCODE_F3</code> (133)</td> + </tr> + <tr> + <td><code>"F4"</code></td> + <td>The <kbd>F4</kbd> key.</td> + <td><code>VK_F4</code> (0x73)</td> + <td><code>kVK_F4</code> (0x76)</td> + <td><code>GDK_KEY_F4</code> (0xFFC1)<br> + <code>GDK_KEY_KP_F4</code> (0xFF94)<br> + <code>Qt::Key_F4</code> (0x01000033)</td> + <td><code>KEYCODE_F4</code> (134)</td> + </tr> + <tr> + <td><code>"F5"</code></td> + <td>The <kbd>F5</kbd> key.</td> + <td><code>VK_F5</code> (0x74)</td> + <td><code>kVK_F5</code> (0x60)</td> + <td><code>GDK_KEY_F5</code> (0xFFC2)<br> + <code>Qt::Key_F5</code> (0x01000034)</td> + <td><code>KEYCODE_F5</code> (135)</td> + </tr> + <tr> + <td><code>"F6"</code></td> + <td>The <kbd>F6</kbd> key.</td> + <td><code>VK_F6</code> (0x75)</td> + <td><code>kVK_F6</code> (0x61)</td> + <td><code>GDK_KEY_F6</code> (0xFFC3)<br> + <code>Qt::Key_F6</code> (0x01000035)</td> + <td><code>KEYCODE_F6</code> (136)</td> + </tr> + <tr> + <td><code>"F7"</code></td> + <td>The <kbd>F7</kbd> key.</td> + <td><code>VK_F7</code> (0x76)</td> + <td><code>kVK_F7</code> (0x62)</td> + <td><code>GDK_KEY_F7</code> (0xFFC4)<br> + <code>Qt::Key_F7</code> (0x01000036)</td> + <td><code>KEYCODE_F7</code> (137)</td> + </tr> + <tr> + <td><code>"F8"</code></td> + <td>The <kbd>F8</kbd> key.</td> + <td><code>VK_F8</code> (0x77)</td> + <td><code>kVK_F8</code> (0x64)</td> + <td><code>GDK_KEY_F8</code> (0xFFC5)<br> + <code>Qt::Key_F8</code> (0x01000037)</td> + <td><code>KEYCODE_F8</code> (138)</td> + </tr> + <tr> + <td><code>"F9"</code></td> + <td>The <kbd>F9</kbd> key.</td> + <td><code>VK_F9</code> (0x78)</td> + <td><code>kVK_F9</code> (0x65)</td> + <td><code>GDK_KEY_F9</code> (0xFFC6)<br> + <code>Qt::Key_F9</code> (0x01000038)</td> + <td><code>KEYCODE_F9</code> (139)</td> + </tr> + <tr> + <td><code>"F10"</code></td> + <td>The <kbd>F10</kbd> key.</td> + <td><code>VK_F10</code> (0x79)</td> + <td><code>kVK_F10</code> (0x6D)</td> + <td><code>GDK_KEY_F10</code> (0xFFC7)<br> + <code>Qt::Key_F10</code> (0x01000039)</td> + <td><code>KEYCODE_F10</code> (140)</td> + </tr> + <tr> + <td><code>"F11"</code></td> + <td>The <kbd>F11</kbd> key.</td> + <td><code>VK_F11</code> (0x7A)</td> + <td><code>kVK_F11</code> (0x67)</td> + <td><code>GDK_KEY_F11</code> (0xFFC8)<br> + <code>Qt::Key_F11</code> (0x0100003A)</td> + <td><code>KEYCODE_F11</code> (141)</td> + </tr> + <tr> + <td><code>"F12"</code></td> + <td>The <kbd>F12</kbd> key.</td> + <td><code>VK_F12</code> (0x7B)</td> + <td><code>kVK_F12</code> (0x6F)</td> + <td><code>GDK_KEY_F12</code> (0xFFC9)<br> + <code>Qt::Key_F12</code> (0x0100003B)</td> + <td><code>KEYCODE_F12</code> (142)</td> + </tr> + <tr> + <td><code>"F13"</code></td> + <td>The <kbd>F13</kbd> key.</td> + <td><code>VK_F13</code> (0x7C)</td> + <td><code>kVK_F13</code> (0x69)</td> + <td><code>GDK_KEY_F13</code> (0xFFCA)<br> + <code>Qt::Key_F13</code> (0x0100003C)</td> + <td><code>KEYCODE_F13</code></td> + </tr> + <tr> + <td><code>"F14"</code></td> + <td>The <kbd>F14</kbd> key.</td> + <td><code>VK_F14</code> (0x7D)</td> + <td><code>kVK_F14</code> (0x6B)</td> + <td><code>GDK_KEY_F14</code> (0xFFCB)<br> + <code>Qt::Key_F1</code>4 (0x0100003D)</td> + <td><code>KEYCODE_F14</code></td> + </tr> + <tr> + <td><code>"F15"</code></td> + <td>The <kbd>F15</kbd> key.</td> + <td><code>VK_F15</code> (0x7E)</td> + <td><code>kVK_F15</code> (0x71)</td> + <td><code>GDK_KEY_F15</code> (0xFFCC)<br> + <code>Qt::Key_F1</code>5 (0x0100003E)</td> + <td><code>KEYCODE_F15</code></td> + </tr> + <tr> + <td><code>"F16"</code></td> + <td>The <kbd>F16</kbd> key.</td> + <td><code>VK_F16</code> (0x7F)</td> + <td><code>kVK_F16</code> (0x6A)</td> + <td><code>GDK_KEY_F16</code> (0xFFCD)<br> + <code>Qt::Key_F1</code>6 (0x0100003F)</td> + <td><code>KEYCODE_F16</code></td> + </tr> + <tr> + <td><code>"F17"</code></td> + <td>The <kbd>F17</kbd> key.</td> + <td><code>VK_F17</code> (0x80)</td> + <td><code>kVK_F17</code> (0x40)</td> + <td><code>GDK_KEY_F17</code> (0xFFCE)<br> + <code>Qt::Key_F1</code>7 (0x01000040)</td> + <td><code>KEYCODE_F17</code></td> + </tr> + <tr> + <td><code>"F18"</code></td> + <td>The <kbd>F18</kbd> key.</td> + <td><code>VK_F18</code> (0x81)</td> + <td><code>kVK_F18</code> (0x4F)</td> + <td><code>GDK_KEY_F18</code> (0xFFCF)<br> + <code>Qt::Key_F1</code>8 (0x01000041)</td> + <td><code>KEYCODE_F18</code></td> + </tr> + <tr> + <td><code>"F19"</code></td> + <td>The <kbd>F19</kbd> key.</td> + <td><code>VK_F19</code> (0x82)</td> + <td><code>kVK_F19</code> (0x50)</td> + <td><code>GDK_KEY_F19</code> (0xFFD0)<br> + <code>Qt::Key_F1</code>9 (0x01000042)</td> + <td><code>KEYCODE_F19</code></td> + </tr> + <tr> + <td><code>"F20"</code></td> + <td>The <kbd>F20</kbd> key.</td> + <td><code>VK_F20</code> (0x83)</td> + <td><code>kVK_F20</code> (0x5A)</td> + <td><code>GDK_KEY_F20</code> (0xFFD1)<br> + <code>Qt::Key_F20</code> (0x01000043)</td> + <td><code>KEYCODE_F20</code></td> + </tr> + <tr> + <td><code>"Soft1"</code></td> + <td>The first general-purpose virtual function key.</td> + <td></td> + <td></td> + <td><code>Qt::Key_Context1</code> (0x01100000)</td> + <td></td> + </tr> + <tr> + <td><code>"Soft2"</code></td> + <td>The second general-purpose virtual function key.</td> + <td></td> + <td></td> + <td><code>Qt::Key_Context2</code> (0x01100001)</td> + <td></td> + </tr> + <tr> + <td><code>"Soft3"</code></td> + <td>The third general-purpose virtual function key.</td> + <td></td> + <td></td> + <td><code>Qt::Key_Context3</code> (0x01100002)</td> + <td></td> + </tr> + <tr> + <td><code>"Soft4"</code></td> + <td>The fourth general-purpose virtual function key.</td> + <td></td> + <td></td> + <td><code>Qt::Key_Context4</code> (0x01100003)</td> + <td></td> + </tr> + </thead> +</table> + +<h2 id="Phone_keys">Phone keys</h2> + +<p>These keys represent buttons which commonly exist on modern smartphones.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"AppSwitch"</code></td> + <td>Presents a list of recently-used applications which lets the user change apps quickly.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_APP_SWITCH</code> (181)</td> + </tr> + <tr> + <td><code>"Call"</code></td> + <td>The <kbd>Call</kbd> key; dials the number which has been entered.</td> + <td></td> + <td></td> + <td><code>Qt::Key_Call</code> (0x01100004)</td> + <td><code>KEYCODE_CALL</code> (5)</td> + </tr> + <tr> + <td><code>"Camera"</code></td> + <td>The <kbd>Camera</kbd> key; activates the camera.</td> + <td></td> + <td></td> + <td><code>Qt::Key_Camera</code> (0x01100020)</td> + <td><code>KEYCODE_CAMERA</code> (27)</td> + </tr> + <tr> + <td><code>"CameraFocus"</code></td> + <td>The <kbd>Focus</kbd> key; focuses the camera.</td> + <td></td> + <td></td> + <td><code>Qt::Key_CameraFocus</code> (0x01100021)</td> + <td><code>KEYCODE_FOCUS</code> (80)</td> + </tr> + <tr> + <td><code>"EndCall"</code></td> + <td>The <kbd>End Call</kbd> or <kbd>Hang Up</kbd> button.</td> + <td></td> + <td></td> + <td><code>Qt::Key_Hangup</code> (0x01100005)</td> + <td><code>KEYCODE_ENDCALL</code> (6)</td> + </tr> + <tr> + <td><code>"GoBack"</code></td> + <td>The <kbd>Back</kbd> button.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_BACK</code> (4)</td> + </tr> + <tr> + <td><code>"GoHome"</code> [1]</td> + <td>The <kbd>Home</kbd> button, which takes the user to the phone's main screen (usually an application launcher).</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_HOME</code> (3)</td> + </tr> + <tr> + <td><code>"HeadsetHook"</code></td> + <td>The <kbd>Headset Hook</kbd> key. This is typically actually a button on the headset which is used to hang up calls and play or pause media.</td> + <td></td> + <td></td> + <td><code>Qt::Key_ToggleCallHangup</code> (0x01100007)</td> + <td><code>KEYCODE_HEADSETHOOK</code> (79)</td> + </tr> + <tr> + <td><code>"LastNumberRedial"</code></td> + <td>The <kbd>Redial</kbd> button, which redials the last-called number.</td> + <td></td> + <td></td> + <td><code>Qt::Key_LastNumberRedial</code> (0x01100009)</td> + <td></td> + </tr> + <tr> + <td><code>"Notification"</code></td> + <td>The <kbd>Notification</kbd> key.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_NOTIFICATION</code> (83)</td> + </tr> + <tr> + <td><code>"MannerMode"</code></td> + <td>A button which cycles among the notification modes: silent, vibrate, ring, and so forth.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_MANNER_MODE</code> (205)</td> + </tr> + <tr> + <td><code>"VoiceDial"</code></td> + <td>The <kbd>Voice Dial</kbd> key. Initiates voice dialing.</td> + <td></td> + <td></td> + <td><code>Qt::Key_VoiceDial</code> (0x01100008)</td> + <td><code>KEYCODE_VOICE_ASSIST</code> (231)</td> + </tr> + </thead> +</table> + +<p>[1] Prior to Firefox 37, the Home button generated a key code of <code>"Exit"</code>. Starting in Firefox 37, the button generates the key code <code>"MozHomeScreen"</code>.</p> + +<h2 id="Multimedia_keys">Multimedia keys</h2> + +<p>The multimedia keys are extra buttons or keys for controlling media devices, found on some keyboards.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"ChannelDown"</code></td> + <td>Switches to the previous channel.</td> + <td><code>APPCOMMAND_MEDIA_CHANNEL_DOWN</code></td> + <td></td> + <td><code>Qt::Key_ChannelDown</code> (0x01000119)</td> + <td><code>KEYCODE_CHANNEL_DOWN</code> (167)</td> + </tr> + <tr> + <td><code>"ChannelUp"</code></td> + <td>Switches to the next channel.</td> + <td><code>APPCOMMAND_MEDIA_CHANNEL_UP</code></td> + <td></td> + <td><code>Qt::Key_ChannelUp</code> (0x01000118)</td> + <td><code>KEYCODE_CHANNEL_UP</code> (166)</td> + </tr> + <tr> + <td><code>"MediaFastForward"</code> [2]</td> + <td>Starts, continues, or increases the speed of fast forwarding the media.</td> + <td><code>APPCOMMAND_MEDIA_FAST_FORWARD</code></td> + <td></td> + <td><code>GDK_KEY_AudioForward (0x1008FF97)<br> + Qt:Key_AudioForward</code> (0x01000102)</td> + <td><code>KEYCODE_MEDIA_FAST_FORWARD</code> (90)</td> + </tr> + <tr> + <td><code>"MediaPause"</code></td> + <td>Pauses the currently playing media. Some older applications use simply "Pause" but this is not correct.</td> + <td><code>APPCOMMAND_MEDIA_PAUSE</code></td> + <td></td> + <td><code>GDK_KEY_AudioPause</code> (0x1008FF31)<br> + <code>Qt::Key_MediaPause</code> (0x1000085)</td> + <td><code>KEYCODE_MEDIA_PAUSE</code> (127)</td> + </tr> + <tr> + <td><code>"MediaPlay"</code></td> + <td>Starts or continues playing media at normal speed, if not already doing so. Has no effect otherwise.</td> + <td><code>APPCOMMAND_MEDIA_PLAY</code></td> + <td></td> + <td><code>GDK_KEY_AudioPlay</code> (0x1008FF14)</td> + <td><code>KEYCODE_MEDIA_PLAY</code><code> (126)</code></td> + </tr> + <tr> + <td><code>"MediaPlayPause"</code></td> + <td>Toggles between playing and pausing the current media.</td> + <td><code>VK_MEDIA_PLAY_PAUSE</code> (0xB3)<br> + <code>APPCOMMAND_MEDIA_PLAY_PAUSE</code></td> + <td></td> + <td><code>Qt::Key_MediaTogglePlayPause</code> (0x1000086)</td> + <td><code>KEYCODE_MEDIA_PLAY_PAUSE</code> (85)</td> + </tr> + <tr> + <td><code>"MediaRecord"</code></td> + <td>Starts or resumes recording media.</td> + <td><code>APPCOMMAND_MEDIA_RECORD</code></td> + <td></td> + <td><code>GDK_KEY_AudioRecord</code> (0x1008FF1C)<br> + <code>Qt::Key_MediaRecord</code> (0x01000084)</td> + <td><code>KEYCODE_MEDIA_RECORD</code><code> (130)</code></td> + </tr> + <tr> + <td><code>"MediaRewind"</code></td> + <td>Starts, continues, or increases the speed of rewinding the media.</td> + <td><code>APPCOMMAND_MEDIA_REWIND</code></td> + <td></td> + <td><code>GDK_KEY_AudioRewind</code> (0x1008FF3E)<br> + <code>Qt::Key_AudioRewind</code> (0x010000C5)</td> + <td><code>KEYCODE_MEDIA_REWIND</code><code> (89)</code></td> + </tr> + <tr> + <td><code>"MediaStop"</code></td> + <td>Stops the current media activity (such as playing, recording, pausing, forwarding, or rewinding). Has no effect if the media is currently stopped already.</td> + <td><code>VK_MEDIA_STOP</code> (0xB2)<br> + <code>APPCOMMAND_MEDIA_STOP</code></td> + <td></td> + <td><code>GDK_KEY_AudioStop</code> (0x1008FF15)<br> + <code>Qt::Key_MediaStop</code> (0x01000081)</td> + <td><code>KEYCODE_MEDIA_STOP</code> (86)</td> + </tr> + <tr> + <td><code>"MediaTrackNext"</code> [1]</td> + <td>Seeks to the next media or program track.</td> + <td><code>VK_MEDIA_NEXT_TRACK</code> (0xB0)<br> + <code>APPCOMMAND_MEDIA_NEXTTRACK</code></td> + <td></td> + <td><code>GDK_KEY_AudioNext</code> (0x1008FF17)<br> + <code>Qt::Key_MediaNext</code> (0x01000083)</td> + <td><code>KEYCODE_MEDIA_NEXT</code> (87)</td> + </tr> + <tr> + <td><code>"MediaTrackPrevious"</code> [1]</td> + <td>Seeks to the previous media or program track.</td> + <td><code>VK_MEDIA_PREV_TRACK</code> (0xB1)<br> + <code>APPCOMMAND_MEDIA_PREVIOUSTRACK</code></td> + <td></td> + <td><code>GDK_KEY_AudioPrev</code> (0x1008FF16)<br> + <code>Qt::Key_MediaPrevious</code> (0x01000082)</td> + <td><code>KEYCODE_MEDIA_PREVIOUS</code> (88)</td> + </tr> + </thead> +</table> + +<p>[1] Internet Explorer, Edge, and Firefox (36 and earlier) use <code>"MediaNextTrack"</code> and <code>"MediaPreviousTrack"</code> instead of <code>"MediaTrackNext"</code> and <code>"MediaTrackPrevious"</code>.</p> + +<p>[2] Prior to Firefox 37, Firefox generated the key code <code>"FastFwd"</code> on some platforms and <code>"Unidentified"</code> on others instead of <code>"MediaFastForward"</code>.</p> + +<h2 id="Audio_control_keys">Audio control keys</h2> + +<p>These media keys are used specifically for controlling audio.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"AudioBalanceLeft"</code></td> + <td>Adjusts audio balance toward the left.</td> + <td><code>VK_AUDIO_BALANCE_LEFT</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioBalanceRight"</code></td> + <td>Adjusts audio balance twoard the right.</td> + <td><code>VK_AUDIO_BALANCE_RIGHT</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioBassDown"</code></td> + <td>Decreases the amount of bass.</td> + <td><code>APPCOMMAND_BASS_DOWN</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioBassBoostDown"</code></td> + <td>Reduces bass boosting or cycles downward through bass boost modes or states.</td> + <td><code>VK_BASS_BOOST_DOWN</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioBassBoostToggle"</code></td> + <td>Toggles bass boosting on and off.</td> + <td><code>APPCOMMAND_BASS_BOOST</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioBassBoostUp"</code></td> + <td>Increases the amoung of bass boosting, or cycles upward through a set of bass boost modes or states.</td> + <td><code>VK_BASS_BOOST_UP</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioBassUp"</code></td> + <td>Increases the amount of bass.</td> + <td><code>APPCOMMAND_BASS_UP</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioFaderFront"</code></td> + <td>Adjusts the audio fader toward the front.</td> + <td><code>VK_FADER_FRONT</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioFaderRear"</code></td> + <td>Adjustts the audio fader toward the rear.</td> + <td><code>VK_FADER_REAR</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioSurroundModeNext"</code></td> + <td>Selects the next available surround sound mode.</td> + <td><code>VK_SURROUND_MODE_NEXT</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioTrebleDown"</code></td> + <td>Decreases the amount of treble.</td> + <td><code>APPCOMMAND_TREBLE_DOWN</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioTrebleUp"</code></td> + <td>Increases the amount of treble.</td> + <td><code>APPCOMMAND_TREBLE_UP</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"AudioVolumeDown" [1]</code></td> + <td>Decreases the audio volume.</td> + <td><code>VK_VOLUME_DOWN</code> (0xAE)<br> + <code>APPCOMMAND_VOLUME_DOWN</code></td> + <td><code>kVK_VolumeDown</code> (0x49)</td> + <td><code>GDK_KEY_AudioLowerVolume</code> (0x1008FF11)<br> + <code>Qt::Key_VolumeDown</code> (0x01000070)</td> + <td><code>KEYCODE_VOLUME_DOWN</code> (25)</td> + </tr> + <tr> + <td><code>"AudioVolumeMute" [1]</code></td> + <td>Mutes the audio.</td> + <td><code>VK_VOLUME_MUTE</code> (0xAD)<br> + <code>APPCOMMAND_VOLUME_MUTE</code></td> + <td><code>kVK_Mute</code> (0x4A)</td> + <td><code>GDK_KEY_AudioMute</code> (0x1008FF12)<br> + <code>Qt::Key_VolumeMute</code> (0x01000071)</td> + <td><code>KEYCODE_VOLUME_MUTE</code> (164)</td> + </tr> + <tr> + <td><code>"AudioVolumeUp" [1]</code></td> + <td>Increases the audio volume.</td> + <td><code>VK_VOLUME_UP</code> (0xAF)<br> + <code>APPCOMMAND_VOLUME_UP</code></td> + <td><code>kVK_VolumeUp</code> (0x48)</td> + <td><code>GDK_KEY_AudioRaiseVolume</code> (0x1008FF13)<br> + <code>Qt::Key_VolumeUp</code> (0x01000072)</td> + <td><code>KEYCODE_VOLUME_UP</code> (24)</td> + </tr> + <tr> + <td><code>"MicrophoneToggle"</code></td> + <td>Toggles the microphone on and off.</td> + <td><code>APPCOMMAND_MIC_ON_OFF_TOGGLE</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"MicrophoneVolumeDown"</code></td> + <td>Decreases the microphone's input volume.</td> + <td><code>APPCOMMAND_MICROPHONE_VOLUME_DOWN</code></td> + <td></td> + <td><code>Qt::Key_MicVolumeDown</code> (0x0100011E)</td> + <td></td> + </tr> + <tr> + <td><code>"MicrophoneVolumeMute"</code></td> + <td>Mutes the microphone input.</td> + <td><code>APPCOMMAND_MICROPHONE_VOLUME_MUTE</code></td> + <td></td> + <td><code>GDK_KEY_AudioMicMute</code> (0x1008FFB2)<br> + <code>Qt::Key_MicMute</code> (0x01000113)</td> + <td><code>KEYCODE_MUTE</code> (91)</td> + </tr> + <tr> + <td><code>"MicrophoneVolumeUp"</code></td> + <td>Increases the microphone's input volume.</td> + <td><code>APPCOMMAND_MICROPHONE_VOLUME_UP</code></td> + <td></td> + <td><code>Qt::Key_MicVolumeUp</code> (0x0100011D)</td> + <td></td> + </tr> + </thead> +</table> + +<p>[1] Internet Explorer, Edge, and Firefox (48 and earlier) use <code>"VolumeUp"</code>, <code>"VolumeDown"</code>, and <code>"VolumeMute"</code> instead of <code>"AudioVolumeUp"</code>, <code>"AudioVolumeDown"</code>, and <code>"AudioVolumeMute"</code>. In Firefox 49 they were updated to match the latest specification. The old names are still used on <a href="/en-US/docs/Mozilla/B2G_OS">Boot to Gecko</a>.</p> + +<h2 id="TV_control_keys">TV control keys</h2> + +<p>These key values represent buttons or keys present on television devices, or computers or phones which have TV support.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"TV"</code> [1]</td> + <td>Switches into TV viewing mode.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV</code> (170)</td> + </tr> + <tr> + <td><code>"TV3DMode"</code></td> + <td>Toggles 3D TV mode on and off.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_3D_MODE</code> (206)</td> + </tr> + <tr> + <td><code>"TVAntennaCable"</code></td> + <td>Toggles between antenna and cable inputs.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_ANTENNA_CABLE</code> (242)</td> + </tr> + <tr> + <td><code>"TVAudioDescription"</code></td> + <td>Toggles audio description mode on and off.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_AUDIO_DESCRIPTION</code> (252)</td> + </tr> + <tr> + <td><code>"TVAudioDescriptionMixDown"</code></td> + <td>Decreases trhe audio description's mixing volume; reduces the volume of the audio descriptions relative to the program sound.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_AUDIO_DESCRIPTION_MIX_DOWN</code> (254)</td> + </tr> + <tr> + <td><code>"TVAudioDescriptionMixUp"</code></td> + <td>Increases the audio description's mixing volume; increases the volume of the audio descriptions relative to the program sound.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_AUDIO_DESCRIPTION_MIX_UP</code> (253)</td> + </tr> + <tr> + <td><code>"TVContentsMenu"</code></td> + <td>Displays or hides the media contents available for playback (this may be a channel guide showing the currently airing programs, or a list of media files to play).</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_CONTENTS_MENU</code> (256)</td> + </tr> + <tr> + <td><code>"TVDataService"</code></td> + <td>Displays or hides the TV's data service menu.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_DATA_SERVICE</code> (230)</td> + </tr> + <tr> + <td><code>"TVInput"</code> [2]</td> + <td>Cycles the input mode on an external TV.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT</code> (178)</td> + </tr> + <tr> + <td><code>"TVInputComponent1"</code></td> + <td>Switches to the input "Component 1."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_COMPONENT_1</code> (249)</td> + </tr> + <tr> + <td><code>"TVInputComponent2"</code></td> + <td>Switches to the input "Component 2."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_COMPONENT_2</code> (250)</td> + </tr> + <tr> + <td><code>"TVInputComposite1"</code></td> + <td>Switches to the input "Composite 1."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_COMPOSITE_1</code> (247)</td> + </tr> + <tr> + <td><code>"TVInputComposite2"</code></td> + <td>Switches to the input "Composite 2."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_COMPOSITE_2</code> (248)</td> + </tr> + <tr> + <td><code>"TVInputHDMI1"</code></td> + <td>Switches to the input "HDMI 1."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_HDMI_1</code> (243)</td> + </tr> + <tr> + <td><code>"TVInputHDMI2"</code></td> + <td>Switches to the input "HDMI 2."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_HDMI_2</code> (244)</td> + </tr> + <tr> + <td><code>"TVInputHDMI3"</code></td> + <td>Switches to the input "HDMI 3."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_HDMI_3</code> (245)</td> + </tr> + <tr> + <td><code>"TVInputHDMI4"</code></td> + <td>Switches to the input "HDMI 4."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_HDMI_4</code> (246)</td> + </tr> + <tr> + <td><code>"TVInputVGA1"</code></td> + <td>Switches to the input "VGA 1."</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_INPUT_VGA_1</code> (251)</td> + </tr> + <tr> + <td><code>"TVMediaContext"</code></td> + <td>The Media Context menu key.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_MEDIA_CONTEXT_MENU</code> (257)</td> + </tr> + <tr> + <td><code>"TVNetwork"</code></td> + <td>Toggle the TV's network connection on and off.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_NETWORK</code> (241)</td> + </tr> + <tr> + <td><code>"TVNumberEntry"</code></td> + <td>Put the TV into number entry mode.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_NUMBER_ENTRY</code> (234)</td> + </tr> + <tr> + <td><code>"TVPower"</code> [2]</td> + <td>The device's power button.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_POWER</code> (177)</td> + </tr> + <tr> + <td><code>"TVRadioService"</code></td> + <td>Radio button.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_RADIO_SERVICE</code> (232)</td> + </tr> + <tr> + <td><code>"TVSatellite"</code></td> + <td>Satellite button.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_SATELLITE</code> (237)</td> + </tr> + <tr> + <td><code>"TVSatelliteBS"</code></td> + <td>Broadcast Satellite button.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_SATELLITE_BS</code> (238)</td> + </tr> + <tr> + <td><code>"TVSatelliteCS"</code></td> + <td>Communication Satellite button.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_SATELLITE_CS</code> (239)</td> + </tr> + <tr> + <td><code>"TVSatelliteToggle"</code></td> + <td>Toggles among available satellites.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_SATELLITE_SERVICE</code> (240)</td> + </tr> + <tr> + <td><code>"TVTerrestrialAnalog"</code></td> + <td>Selects analog terrestrial television service (analog cable or antenna reception).</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_TERRESTRIAL_ANALOG</code> (235)</td> + </tr> + <tr> + <td><code>"TVTerrestrialDigital"</code></td> + <td>Selects digital terrestrial television service (digital cable or antenna receiption).</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_TERRESTRIAL_DIGITAL</code> (236)</td> + </tr> + <tr> + <td><code>"TVTimer"</code></td> + <td>Timer programming button.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_TIMER_PROGRAMMING</code> (258)</td> + </tr> + </thead> +</table> + +<p>[1] Firefox added proper support for the <code>"TV"</code> key in Firefox 37; before that, this key generated the key code <code>"Live"</code>.</p> + +<p>[2] These keys were <code>"Unidentified"</code> until Firefox 37.</p> + +<h2 id="Media_controller_keys">Media controller keys</h2> + +<p>Because modern remote controls for media devices often include buttons beyond the basic controls covered elsewhere in this document, key values are defined for a broad array of these additional buttons.</p> + +<p>The values below are derived in part form a number of consumer electronics technical specifications:</p> + +<ul> + <li><a href="http://atsc.org/standard/a100-dtv-application-software-environment-level-1-dase-1/">DTV Application Software Environment</a> (part of the {{interwiki("wikipedia", "ATSC")}} specification)</li> + <li><a href="http://www.cablelabs.com/specifications/OC-SP-OCAP1.1.3-100603.pdf">Open Cable Application Platform 1.1.3</a></li> + <li><a href="http://www.ce.org/Standards/Standard-Listings/R7-Home-Network-Committee/CEA-2014-B-(ANSI%29.aspx">ANSI/CEA-2014-B</a>: Web-based Protocol and Framework for Remote User Interface on UPnP™ Networks and the Internet</li> + <li><a href="http://developer.android.com/reference/android/view/KeyEvent.html">Android KeyEvent key code values</a></li> +</ul> + +<div class="note"> +<p>Remote controls typically include keys whose values are already defined elsewhere, such as under {{anch("Multimedia keys")}} or {{anch("Audio control keys")}}. Those keys' values will match what's documented in those tables.</p> +</div> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"AVRInput"</code> [3]</td> + <td>Changes the input mode on an external audio/video receiver (AVR) unit.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_AVR_INPUT</code> (182)</td> + </tr> + <tr> + <td><code>"AVRPower"</code> [3]</td> + <td>Toggles the power on an external AVR unit.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_AVR_POWER</code> (181)</td> + </tr> + <tr> + <td><code>"ColorF0Red"</code> [3]</td> + <td>General-purpose media function key, color-coded red; this has index 0 among the colored keys.</td> + <td><code>VK_COLORED_KEY_0</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_PROG_RED</code> (183)</td> + </tr> + <tr> + <td><code>"ColorF1Green"</code> [3]</td> + <td>General-purpose media funciton key, color-coded green; this has index 1 among the colored keys.</td> + <td><code>VK_COLORED_KEY_1</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_PROG_GREEN</code> (184)</td> + </tr> + <tr> + <td><code>"ColorF2Yellow"</code> [3]</td> + <td>General-purpose media funciton key, color-coded yellow; this has index 2 among the colored keys.</td> + <td><code>VK_COLORED_KEY_2</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_PROG_YELLOW</code> (185)</td> + </tr> + <tr> + <td><code>"ColorF3Blue"</code> [3]</td> + <td>General-purpose media funciton key, color-coded blue; this has index 3 among the colored keys.</td> + <td><code>VK_COLORED_KEY_3</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_PROG_BLUE</code> (186)</td> + </tr> + <tr> + <td><code>"ColorF4Grey"</code></td> + <td>General-purpose media funciton key, color-coded grey; this has index 4 among the colored keys.</td> + <td><code>VK_COLORED_KEY_4</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_PROG_GREY</code></td> + </tr> + <tr> + <td><code>"ColorF5Brown"</code></td> + <td>General-purpose media funciton key, color-coded brown; this has index 5 among the colored keys.</td> + <td><code>VK_COLORED_KEY_5</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_PROG_BROWN</code></td> + </tr> + <tr> + <td><code>"ClosedCaptionToggle"</code></td> + <td>Toggles closed captioning on and off.</td> + <td><code>VK_CC</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_CAPTIONS</code> (175)</td> + </tr> + <tr> + <td><code>"Dimmer"</code></td> + <td>Adjusts the brightness of the device by toggling between two brightness levels <em>or</em> by cycling among multiple brightness levels.</td> + <td><code>VK_DIMMER</code></td> + <td></td> + <td><code>GDK_KEY_BrightnessAdjust</code> (0x1008FF3B)</td> + <td></td> + </tr> + <tr> + <td><code>"DisplaySwap"</code></td> + <td>Cycles among video sources.</td> + <td><code>VK_DISPLAY_SWAP</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"DVR"</code></td> + <td>Switches the input source to the Digital Video Recorder (DVR).</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_DVR</code> (173)</td> + </tr> + <tr> + <td><code>"Exit"</code></td> + <td>The Exit button, which exits the curreent application or menu.</td> + <td><code>VK_EXIT</code></td> + <td></td> + <td><code>Qt::Key_Exit</code> (0x0102000a)</td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteClear0"</code></td> + <td>Clears the program or content stored in the first favorites list slot.</td> + <td><code>VK_CLEAR_FAVORITE_0</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteClear1"</code></td> + <td>Clears the program or content stored in the second favorites list slot.</td> + <td><code>VK_CLEAR_FAVORITE_1</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteClear2"</code></td> + <td>Clears the program or content stored in the third favorites list slot.</td> + <td><code>VK_CLEAR_FAVORITE_2</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteClear3"</code></td> + <td>Clears the program or content stored in the fourth favorites list slot.</td> + <td><code>VK_CLEAR_FAVORITE_3</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteRecall0"</code></td> + <td>Selects (recalls) the program or content stored in the first favorites list slot.</td> + <td><code>VK_RECALL_FAVORITE_0</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteRecall1"</code></td> + <td>Selects (recalls) the program or content stored in the second favorites list slot.</td> + <td><code>VK_RECALL_FAVORITE_1</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteRecall2"</code></td> + <td>Selects (recalls) the program or content stored in the third favorites list slot.</td> + <td><code>VK_RECALL_FAVORITE_2</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteRecall3"</code></td> + <td>Selects (recalls) the program or content stored in the fourth favorites list slot.</td> + <td><code>VK_RECALL_FAVORITE_3</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteStore0"</code></td> + <td>Stores the current program or content into the first favorites list slot.</td> + <td><code>VK_STORE_FAVORITE_0</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteStore1"</code></td> + <td>Stores the current program or content into the second favorites list slot.</td> + <td><code>VK_STORE_FAVORITE_1</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteStore2"</code></td> + <td>Stores the current program or content into the third favorites list slot.</td> + <td><code>VK_STORE_FAVORITE_2</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"FavoriteStore3"</code></td> + <td>Stores the current program or content into the fourth favorites list slot.</td> + <td><code>VK_STORE_FAVORITE_3</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Guide"</code></td> + <td>Toggles the display of the program or content guide.</td> + <td><code>VK_GUIDE</code></td> + <td></td> + <td><code>Qt::Key_Guide</code> (0x0100011A)</td> + <td><code>KEYCODE_GUIDE</code> (172)</td> + </tr> + <tr> + <td><code>"GuideNextDay"</code></td> + <td>If the guide is currently displayed, this button tells the guide to display the next day's content.</td> + <td><code>VK_NEXT_DAY</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"GuidePreviousDay"</code></td> + <td>If the guide is currently displayed, this button tells the guide to display the previous day's content.</td> + <td><code>VK_PREV_DAY</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Info"</code></td> + <td>Toggles the display of information about the currently selected content, program, or media.</td> + <td><code>VK_INFO</code></td> + <td></td> + <td><code>Qt::Key_Info</code> (0x0100011B)</td> + <td><code>KEYCODE_INFO</code> (165)</td> + </tr> + <tr> + <td><code>"InstantReplay"</code></td> + <td>Tellls the device to perform an instant replay (typically some form of jumping back a short amount of time then playing it again, possibly but not usually in slow motion).</td> + <td><code>VK_INSTANT_REPLAY</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Link"</code></td> + <td>Opens content liniked to the current program, if available and possible.</td> + <td><code>VK_LINK</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"ListProgram"</code></td> + <td>Lists the current program.</td> + <td><code>VK_LIST</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"LiveContent"</code></td> + <td>Toggles a display listing currently available live content or programs.</td> + <td><code>VK_LIVE</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Lock"</code></td> + <td>Locks or unlocks the currently selected content or pgoram.</td> + <td><code>VK_LOCK</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"MediaApps"</code></td> + <td>Presents a list of media applications, such as photo viewers, audio and video players, and games. [1]</td> + <td><code>VK_APPS</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"MediaAudioTrack"</code></td> + <td>The Audio Track key.</td> + <td></td> + <td></td> + <td>GDK_KEY_AudioCycleTrack (0x1008FF9B)<br> + <code>Qt::Key_AudioCycleTrack</code> (0x01000106)</td> + <td><code>KEYCODE_MEDIA_AUDIO_TRACK</code> (222)</td> + </tr> + <tr> + <td><code>"MediaLast"</code></td> + <td>Jumps back to the last-viewed content, program, or other media.</td> + <td><code>VK_LAST</code></td> + <td></td> + <td><code>Qt::Key_MediaLast</code> (0x0100FFFF)</td> + <td><code>KEYCODE_LAST_CHANNEL</code> (229)</td> + </tr> + <tr> + <td><code>"MediaSkipBackward"</code></td> + <td>Skips backward to the previous content or program.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_MEDIA_SKIP_BACKWARD</code></td> + </tr> + <tr> + <td><code>"MediaSkipForward"</code></td> + <td>Skips forward to the next content or program.</td> + <td><code>VK_SKIP</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_MEDIA_SKIP_FORWARD</code></td> + </tr> + <tr> + <td><code>"MediaStepBackward"</code></td> + <td>Steps backward to the previous content or program.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_MEDIA_STEP_BACKWARD</code></td> + </tr> + <tr> + <td><code>"MediaStepForward"</code></td> + <td>Steps forward to the next content or program.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_MEDIA_SKIP_FORWARD</code></td> + </tr> + <tr> + <td><code>"MediaTopMenu"</code></td> + <td>Top Menu button; opens the media's main menu, such as on a DVD or Blu-Ray disc.</td> + <td></td> + <td></td> + <td><code>Qt::Key_TopMenu</code> (0x0100010A)</td> + <td><code>KEYCODE_MEDIA_TOP_MENU</code></td> + </tr> + <tr> + <td><code>"NavigateIn"</code></td> + <td>Navigates into a submenu or option.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_NAVIGATE_IN</code></td> + </tr> + <tr> + <td><code>"NavigateNext"</code></td> + <td>Navigates to the next item.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_NAVIGATE_NEXT</code></td> + </tr> + <tr> + <td><code>"NavigateOut"</code></td> + <td>Navigates out of the current screen or menu.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_NAVIGATE_OUT</code></td> + </tr> + <tr> + <td><code>"NavigatePrevious"</code></td> + <td>Navigates to the previous item.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_NAVIGATE_PREVIOUS</code></td> + </tr> + <tr> + <td><code>"NextFavoriteChannel"</code></td> + <td>Cycles to the next channel in the favorites list.</td> + <td><code>VK_NEXT_FAVORITE_CHANNEL</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"NextUserProfile"</code></td> + <td>Cycles to the next saved user profile, if this feature is supported and multiple profiles exist.</td> + <td><code>VK_USER</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"OnDemand"</code></td> + <td>Opens the user interface for selecting on demand content or programs to watch.</td> + <td><code>VK_ON_DEMAND</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Pairing"</code></td> + <td>Starts the process of pairing the remote with a device to be controlled.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_PAIRING</code> (225)</td> + </tr> + <tr> + <td><code>"PinPDown"</code></td> + <td>A button to move the picture-in-picture view downward.</td> + <td><code>VK_PINP_DOWN</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"PinPMove"</code></td> + <td>A button to control moving the picture-in-picture view.</td> + <td><code>VK_PINP_MOVE</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"PinPToggle"</code></td> + <td>Toggles display of th epicture-in-picture view on and off.</td> + <td><code>VK_PINP_TOGGLE</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"PinPUp"</code></td> + <td>A button to move the picture-in-picture view upward.</td> + <td><code>VK_PINP_UP</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"PlaySpeedDown"</code></td> + <td>Decreases the media playback rate.</td> + <td><code>VK_PLAY_SPEED_DOWN</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"PlaySpeedReset"</code></td> + <td>Returns the media playback rate to normal.</td> + <td><code>VK_PLAY_SPEED_RESET</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"PlaySpeedUp"</code></td> + <td>Increases the media playback rate.</td> + <td><code>VK_PLAY_SPEED_UP</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"RandomToggle"</code></td> + <td>Toggles random media (also known as "shuffle mode") on and off.</td> + <td><code>VK_RANDOM_TOGGLE</code></td> + <td></td> + <td><code>GDK_KEY_AudioRandomPlay</code> (0x1008FF99)</td> + <td></td> + </tr> + <tr> + <td><code>"RcLowBattery"</code></td> + <td>A code sent when the remote control's battery is low. This doesn't actually correspond to a physical key at all.</td> + <td><code>VK_RC_LOW_BATTERY</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"RecordSpeedNext"</code></td> + <td>Cycles among the available media recording speeds.</td> + <td><code>VK_RECORD_SPEED_NEXT</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"RfBypass"</code></td> + <td>Toggles radio frequency (RF) input bypass mode on and off. RF bypass mode passes RF input directly to the RF output without any processing or filtering.</td> + <td><code>VK_RF_BYPASS</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"ScanChannelsToggle"</code></td> + <td>Toggles the channel scan mode on and off; this is a mode which flips through channels automatically until the user stops the scan.</td> + <td><code>VK_SCAN_CHANNELS_TOGGLE</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"ScreenModeNext"</code></td> + <td>Cycles through the available screen display modes.</td> + <td><code>VK_SCREEN_MODE_NEXT</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Settings"</code></td> + <td>Toggles display of the device's settings screen on and off.</td> + <td><code>VK_SETTINGS</code></td> + <td></td> + <td><code>Qt::Key_Settings</code> (0x0100011C)</td> + <td><code>KEYCODE_SETTINGS</code></td> + </tr> + <tr> + <td><code>"SplitScreenToggle"</code></td> + <td>Toggles split screen display mode on and off.</td> + <td><code>VK_SPLIT_SCREEN_TOGGLE</code></td> + <td></td> + <td><code>GDK_KEY_SplitScreen (</code>0x1008FF7D)<br> + <code>Qt::Key_SplitScreen</code> (0x010000ED)</td> + <td></td> + </tr> + <tr> + <td><code>"STBInput"</code> [3]</td> + <td>Cycles among input modes on an external set-top box (STB).</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_STB_INPUT</code> (180)</td> + </tr> + <tr> + <td><code>"STBPower"</code> [3]</td> + <td>Toggles on and off an external STB.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_STB_POWER</code> (179)</td> + </tr> + <tr> + <td><code>"Subtitle"</code></td> + <td>Toggles the display of subtitles on and off if they're available.</td> + <td><code>VK_SUBTITLE</code></td> + <td></td> + <td><code>GDK_KEY_Subtitle</code> (0x1008FF9A)</td> + <td><code>KEYCODE_CAPTIONS</code> (175)</td> + </tr> + <tr> + <td><code>"Teletext"</code></td> + <td>Toggles display of {{interwiki("wikipedia", "teletext")}}, if available.</td> + <td><code>VK_TELETEXT</code></td> + <td></td> + <td></td> + <td><code>KEYCODE_TV_TELETEXT</code> (233)</td> + </tr> + <tr> + <td><code>"VideoModeNext"</code> [3]</td> + <td>Cycles through the available video modes.</td> + <td><code>VK_VIDEO_MODE_NEXT</code></td> + <td></td> + <td><code>GDK_KEY_Next_VMode</code> (0x1008FE22)</td> + <td></td> + </tr> + <tr> + <td><code>"Wink"</code></td> + <td>Causes the device to identify itself in some fashion, such as by flashing a light, briefly changing the brightness of indicator lights, or emitting a tone.</td> + <td><code>VK_WINK</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"ZoomToggle"</code> [2]</td> + <td>Toggles between full-screen and scaled content display, or otherwise change the magnification level.</td> + <td><code>VK_ZOOM</code> (0xFB)</td> + <td></td> + <td><code>Qt::Key_Zoom</code> (0x01020006)</td> + <td><code>KEYCODE_TV_ZOOM_MODE</code> (255)</td> + </tr> + </thead> +</table> + +<p>[1] Don't confuse the media controller <code>VK_APPS</code> key with the Windows <code>VK_APPS</code> key, which is also known as <code>VK_CONTEXT_MENU</code>. That key is encoded as <code>"ContextMenu"</code>.</p> + +<p>[2] Internet Explorer 9 and Firefox 36 and earlier identify the zoom toggle button as <code>"Zoom"</code>. Firefox 37 corrects this to <code>"ZoomToggle"</code>.</p> + +<p>[3] These keys were <code>"Unidentified"</code> until Firefox 37.</p> + +<h2 id="Speech_recognition_keys">Speech recognition keys</h2> + +<p>These special multimedia keys are used to control speech recognition features.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"SpeechCorrectionList"</code> [1]</td> + <td>Presents a list of possible corrections for a word which was incorrectly identified.</td> + <td><code>APPCOMMAND_CORRECTION_LIST</code></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"SpeechInputToggle"</code> [2]</td> + <td>Toggles between dictation mode and command/control mode. This lets the speech engine know whether to interpret spoken words as input text or as commands.</td> + <td><code>APPCOMMAND_DICTATE_OR_COMMAND_CONTROL_TOGGLE</code></td> + <td></td> + <td></td> + <td></td> + </tr> + </thead> +</table> + +<p>[1] The <code>APPCOMMAND_CORRECTION_LIST</code> command on Windows generates <code>"Unidentified"</code> on Firefox.</p> + +<p>[2] The <code>APPCOMMAND_DICTATE_OR_COMMAND_CONTROL_TOGGLE</code> command on Windows generates <code>"Unidentified"</code> on Firefox.</p> + +<h2 id="Document_keys">Document keys</h2> + +<p>These keys control documents. In the specification, they're included in other sets of keys, such as the media keys, but they make more sense when considered to be their own category.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"Close"</code> [1]</td> + <td>Closes the current document or message. Must not exit the application.</td> + <td><code>APPCOMMAND_CLOSE</code></td> + <td></td> + <td><code>GDK_KEY_Close</code> (0x1008FF56)<br> + <code>Qt::Key_Close</code> (0x010000CE)</td> + <td><code>KEYCODE_MEDIA_CLOSE</code> (128)</td> + </tr> + <tr> + <td><code>"New"</code> [1]</td> + <td>Creates a new document or message.</td> + <td><code>APPCOMMAND_NEW</code></td> + <td></td> + <td><code>GDK_KEY_New</code> (0x1008FF68)<br> + <code>Qt::Key_New</code> (0x01000120)</td> + <td></td> + </tr> + <tr> + <td><code>"Open"</code> [1]</td> + <td>Opens an existing document or message.</td> + <td><code>APPCOMMAND_OPEN</code></td> + <td></td> + <td><code>GDK_KEY_Open</code> (0x1008FF6B)<br> + <code>Qt::Key_Open</code> (0x01000121)</td> + <td></td> + </tr> + <tr> + <td><code>"Print"</code></td> + <td>Prints the current document or message.</td> + <td><code>APPCOMMAND_PRINT</code></td> + <td></td> + <td><code>GDK_KEY_Print</code> (0xFF61)<br> + <code>Qt::Print</code> (0x01000009)</td> + <td></td> + </tr> + <tr> + <td><code>"Save"</code> [1]</td> + <td>Saves the current document or message.</td> + <td><code>APPCOMMAND_SAVE</code></td> + <td></td> + <td><code>GDK_KEY_Save</code> (0x1008FF77)<br> + <code>Qt::Key_Save</code> (0x010000EA)</td> + <td></td> + </tr> + <tr> + <td><code>"SpellCheck"</code> [1]</td> + <td>Starts spell checking the current document.</td> + <td><code>APPCOMMAND_SPELL_CHECK</code></td> + <td></td> + <td><code>GDK_KEY_Spell</code> (0x1008FF7C)<br> + <code>Qt::Key_Spell</code> (0x010000EC)</td> + <td></td> + </tr> + <tr> + <td><code>"MailForward"</code> [1]</td> + <td>Opens the user interface to forward a message.</td> + <td><code>APPCOMMAND_FORWARD_MAIL</code></td> + <td></td> + <td><code>GDK_KEY_MailForward</code> (0x1008FF90)<br> + <code>Qt::Key_MailForward</code> (0x010000FB)</td> + <td></td> + </tr> + <tr> + <td><code>"MailReply"</code> [1]</td> + <td>Opens the user interface to reply to a message.</td> + <td><code>APPCOMMAND_REPLY_TO_MAIL</code></td> + <td></td> + <td><code>GDK_KEY_Reply</code> (0x1008FF72)<br> + <code>Qt::Key_Reply</code> (0x010000E5)</td> + <td></td> + </tr> + <tr> + <td><code>"MailSend"</code> [1]</td> + <td>Sends the current message.</td> + <td><code>APPCOMMAND_SEND_MAIL</code></td> + <td></td> + <td><code>GDK_KEY_Send</code> (0x1008FF7B)<br> + <code>Qt::Key_Send</code> (0x010000EB)</td> + <td></td> + </tr> + </thead> +</table> + +<p>[1] Prior to Firefox 37, this key generated the key value <code>"Unidentified"</code>.</p> + +<h2 id="Application_selector_keys">Application selector keys</h2> + +<p>Some keyboards offer special keys for launching or switching to certain common applications. Key values for those are listed here.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"LaunchCalculator"</code> [5]</td> + <td>The <kbd>Calculator</kbd> key, often labeled with an icon such as <kbd>{{FontAwesomeIcon("icon-calculator")}}</kbd>. This is often used as a generic application launcher key (<code>APPCOMMAND_LAUNCH_APP2</code>).</td> + <td><code>APPCOMMAND_LAUNCH_APP2</code></td> + <td></td> + <td><code>GDK_KEY_Calculator</code> (0x1008FF1D)<br> + <code>Qt::Key_Calculator</code> (0x010000CB)</td> + <td><code>KEYCODE_CALCULATOR</code> (210)</td> + </tr> + <tr> + <td><code>"LaunchCalendar"</code> [5]</td> + <td>The <kbd>Calendar</kbd> key, often labeled with an icon like <kbd>{{FontAwesomeIcon("icon-calendar")}}</kbd>.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Calendar</code> (0x1008FF20)<br> + <code>Qt::Key_Calendar</code> (0x010000E4)</td> + <td><code>KEYCODE_CALENDAR</code> (208)</td> + </tr> + <tr> + <td><code>"LaunchContacts"</code></td> + <td>The <kbd>Contacts</kbd> key.</td> + <td></td> + <td></td> + <td></td> + <td><code>KEYCODE_CONTACTS</code> (207)</td> + </tr> + <tr> + <td><code>"LaunchMail"</code></td> + <td>The <kbd>Mail</kbd> key. This is often displayed as <kbd>{{FontAwesomeIcon("icon-envelope-o")}}</kbd>.</td> + <td><code>VK_LAUNCH_MAIL</code> (0xB4)<br> + <code>APPCOMMAND_LAUNCH_MAIL</code></td> + <td></td> + <td><code>GDK_KEY_Mail</code> (0x1008FF19)<br> + <code>Qt::Key_LaunchMail</code> (0x010000A0)</td> + <td><code>KEYCODE_ENVELOPE</code> (65)</td> + </tr> + <tr> + <td><code>"LaunchMediaPlayer"</code> [1]</td> + <td>The <kbd>Media Player</kbd> key.</td> + <td><code>VK_LAUNCH_MEDIA_SELECT</code> (0xB5)<br> + <code>APPCOMMAND_LAUNCH_MEDIA_SELECT</code></td> + <td></td> + <td><code>GDK_KEY_CD</code> (0x1008FF53)<br> + <code>GDK_KEY_Video</code> (0x1008FF87)<br> + <code>GDK_KEY_AudioMedia</code> (0x1008FF32)<br> + <code>Qt::Key_LaunchMedia</code> (0x010000A1)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchMusicPlayer"</code> [5]</td> + <td>The <kbd>Music Player</kbd> key, often labeled with an icon such as <kbd>{{FontAwesomeIcon("icon-music")}}</kbd>.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Music</code> (0x1008FF92)<br> + <code>Qt::Key_Music</code> (0x010000FD)</td> + <td><code>KEYCODE_MUSIC</code> (209)</td> + </tr> + <tr> + <td><code>"LaunchMyComputer"</code> [5]</td> + <td>The <kbd>My Computer</kbd> key on Windows keyboards. This is often used as a generic application launcher key (<code>APPCOMMAND_LAUNCH_APP1</code>).</td> + <td><code>APPCOMMAND_LAUNCH_APP1</code></td> + <td></td> + <td><code>GDK_KEY_MyComputer</code> (0x1008FF33)<br> + <code>GDK_KEY_Explorer</code> (0x1008FF5D)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchPhone"</code></td> + <td>The <kbd>Phone</kbd> key, to open the phone dialer application if one is present.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Phone</code> (0x1008FF6E)<br> + <code>Qt::Key_Phone</code> (0x010000E3)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchScreenSaver"</code> [5]</td> + <td>The <kbd>Screen Saver</kbd> key.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_ScreenSaver</code> (0x1008FF2D)<br> + <code>Qt::Key_ScreenSaver</code> (0x010000BA)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchSpreadsheet"</code> [4]</td> + <td>The <kbd>Spreadsheet</kbd> key. This key may be labeled with an icon such as <kbd>{{FontAwesomeIcon("icon-table")}}</kbd> or that of a specific spreadsheet application.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Excel</code> (0x1008FF5C)<br> + <code>Qt::Key_Excel</code> (0x010000D4)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchWebBrowser"</code> [4]</td> + <td>The <kbd>Web Browser</kbd> key. This key is frequently labeled with an icon such as <kbd>{{FontAwesomeIcon("icon-globe")}}</kbd> or the icon of a specific browser, depending on the device manufacturer.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_WWW</code> (0x1008FF2E)<br> + <code>Qt::Key_WWW</code> (0x010000BB)</td> + <td><code>KEYCODE_EXPLORER</code> (64)</td> + </tr> + <tr> + <td><code>"LaunchWebCam"</code> [5]</td> + <td>The <kbd>WebCam</kbd> key. Opens the webcam application.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_WebCam</code> (0x1008FF8F)<br> + <code>Qt::Key_WebCam</code> (0x010000FA)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchWordProcessor"</code> [5]</td> + <td>The <kbd>Word Processor</kbd> key. This may be an icon of a specific word processor application, or a generic document icon.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Word</code> (0x1008FF89)<br> + <code>Qt::Key_Word</code> (0x010000F4)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication1"</code> [2]</td> + <td>The first generic application launcher button.</td> + <td><code>VK_LAUNCH_APP1</code> (0xB6)<br> + <code>APPCOMMAND_LAUNCH_APP1</code></td> + <td></td> + <td><code>GDK_KEY_Launch0</code> (0x1008FF40)<br> + <code>Qt::Key_Launch0</code> (0x010000A2)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication2"</code> [3]</td> + <td>The second generic application launcher button.</td> + <td><code>VK_LAUNCH_APP2</code> (0xB7)<br> + <code>APPCOMMAND_LAUNCH_APP2</code></td> + <td></td> + <td><code>GDK_KEY_Launch1</code> (0x1008FF41)<br> + <code>Qt::Key_Launch1</code> (0x010000A3)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication3"</code></td> + <td>The third generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch2</code> (0x1008FF42)<br> + <code>Qt::Key_Launch2</code> (0x010000A4)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication4"</code></td> + <td>The fourth generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch3</code> (0x1008FF43)<br> + <code>Qt::Key_Launch3</code> (0x010000A5)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication5"</code></td> + <td>The fifth generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch4</code> (0x1008FF44)<br> + <code>Qt::Key_Launch4</code> (0x010000A6)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication6"</code></td> + <td>The sixth generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch5</code> (0x1008FF45)<br> + <code>Qt::Key_Launch5</code> (0x010000A7)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication7"</code></td> + <td>The seventh generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch6</code> (0x1008FF46)<br> + <code>Qt::Key_Launch6</code> (0x010000A8)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication8"</code></td> + <td>The eighth generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch7</code> (0x1008FF47)<br> + <code>Qt::Key_Launch7</code> (0x010000A9)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication9"</code></td> + <td>The ninth generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch8</code> (0x1008FF48)<br> + <code>Qt::Key_Launch8</code> (0x010000AA)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication10"</code></td> + <td>The 10th generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_Launch9</code> (0x1008FF49)<br> + <code>Qt::Key_Launch9</code> (0x010000AB)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication11"</code></td> + <td>The 11th generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_LaunchA</code> (0x1008FF4A)<br> + <code>Qt::Key_LaunchA</code> (0x010000AC)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication12"</code></td> + <td>The 12th generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_LaunchB</code> (0x1008FF4B)<br> + <code>Qt::Key_LaunchB</code> (0x010000AD)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication13"</code></td> + <td>The 13th generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_LaunchC</code> (0x1008FF4C)<br> + <code>Qt::Key_LaunchC</code> (0x010000AE)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication14"</code></td> + <td>The 14th generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_LaunchD</code> (0x1008FF4D)<br> + <code>Qt::Key_LaunchD</code> (0x010000AF)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication15"</code></td> + <td>The 15th generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_LaunchE</code> (0x1008FF4E)<br> + <code>Qt::Key_LaunchE</code> (0x010000B0)</td> + <td></td> + </tr> + <tr> + <td><code>"LaunchApplication16"</code></td> + <td>The 16th generic application launcher button.</td> + <td></td> + <td></td> + <td><code>GDK_KEY_LaunchF</code> (0x1008FF4F)<br> + <code>Qt::Key_LaunchF</code> (0x010000B1)</td> + <td></td> + </tr> + </thead> +</table> + +<p>[1] Internet Explorer, Edge, and Firefox (36 and earlier) use <code>"SelectMedia"</code> instead of <code>"LaunchMediaPlayer"</code>. Firefox 37 through Firefox 48 use <code>"MediaSelect"</code>. Firefox 49 has been updated to match the latest specification, and to return <code>"LaunchMediaPlayer"</code>.</p> + +<p>[2] Google Chrome 57 and earlier returned <code>"LaunchMyComputer"</code> instead of <code>"LaunchApplication1"</code>. See <a href="https://bugs.chromium.org/p/chromium/issues/detail?id=612743">Chrome Bug 612743</a> for more information.</p> + +<p>[3] Google Chrome 57 and earlier returned <code>"LaunchCalculator"</code> instead of <code>"LaunchApplication2"</code>. See <a href="https://bugs.chromium.org/p/chromium/issues/detail?id=612743">Chrome Bug 612743</a> for more information.</p> + +<p>[4] Prior to Firefox 37, Firefox returned the key code <code>"LaunchApplication1"</code> instead of "<code>LaunchWebBrowser"</code> for the Web browser key.</p> + +<p>[5] Firefox introduced support for this key in Firefox 37; prior to that, this key was reported as <code>"Unidentified"</code>.</p> + +<h2 id="Browser_control_keys">Browser control keys</h2> + +<p>Some keyboards include special keys for controlling Web browsers. Those keys follow.</p> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"BrowserBack"</code></td> + <td>Navigates to the previous content or page in the current Web view's history.</td> + <td><code>VK_BROWSER_BACK</code> (0xA6)<br> + <code>APPCOMMAND_BROWSER_BACKWARD</code></td> + <td></td> + <td><code>GDK_KEY_Back</code> (0x1008FF26)<br> + <code>Qt::Key_Back</code> (0x01000061)</td> + <td><code>KEYCODE_BACK</code> (4)</td> + </tr> + <tr> + <td><code>"BrowserFavorites"</code> [1]</td> + <td>Opens the user's list of bookmarks/favorites.</td> + <td><code>VK_BROWSER_FAVORITES</code> (0xAB)<br> + <code>APPCOMMAND_BROWSER_FAVORITES</code></td> + <td></td> + <td><code>GDK_KEY_Favorites</code> (0x1008FF30)<br> + <code>GDK_KEY_MySites</code> (0x1008FF67)<br> + <code>Qt::Favorites</code> (0x01000091)</td> + <td><code>KEYCODE_BOOKMARK</code> (174)</td> + </tr> + <tr> + <td><code>"BrowserForward"</code></td> + <td>Navigates to the next content or page in the current Web view's history.</td> + <td><code>VK_BROWSER_FORWARD</code> (0xA7)<br> + <code>APPCOMMAND_BROWSER_FORWARD</code></td> + <td></td> + <td><code>GDK_KEY_Forward</code> (0x1008FF27)<br> + <code>Qt::Key_Forward</code> (0x01000062)</td> + <td><code>KEYCODE_FORWARD</code> (125)</td> + </tr> + <tr> + <td><code>"BrowserHome"</code></td> + <td>Navigates to the user's preferred home page.</td> + <td><code>VK_BROWSER_HOME</code> (0xAC)<br> + <code>APPCOMMAND_BROWSER_HOME</code></td> + <td></td> + <td><code>GDK_KEY_HomePage</code> (0x1008FF18)<br> + <code>Qt::Key_HomePage</code> (0x01000090)</td> + <td><code>KEYCODE_HOME</code> (3)</td> + </tr> + <tr> + <td><code>"BrowserRefresh"</code></td> + <td>Refreshes the current page or contentl.</td> + <td><code>VK_BROWSER_REFRESH</code> (0xA8)<br> + <code>APPCOMMAND_BROWSER_REFRESH</code></td> + <td></td> + <td><code>GDK_KEY_Refresh</code> (0x1008FF29)<br> + <code>GDK_KEY_Reload</code> (0x1008FF73)</td> + <td></td> + </tr> + <tr> + <td><code>"BrowserSearch"</code></td> + <td>Activates the user's preferred search engine or the search interface within their browser.</td> + <td><code>VK_BROWSER_SEARCH</code> (0xAA)<br> + <code>APPCOMMAND_BROWSER_SEARCH</code></td> + <td></td> + <td><code>GDK_KEY_Search</code> (0x1008FF1B)<br> + <code>Qt::Key_Search</code> (0x01000092)</td> + <td><code>KEYCODE_SEARCH</code> (84)</td> + </tr> + <tr> + <td><code>"BrowserStop"</code></td> + <td>Stops loading the currently displayed Web view or content.</td> + <td><code>VK_BROWSER_STOP</code> (0xA9)<br> + <code>APPCOMMAND_BROWSER_STOP</code></td> + <td></td> + <td><code>GDK_KEY_Stop</code> (0x1008FF28)<br> + <code>Qt::Key_Search</code> (0x01000063)</td> + <td></td> + </tr> + </thead> +</table> + +<p>[1] Prior to Firefox 37, this key's value was reported as <code>"Unidentified"</code>.</p> + +<h2 id="Numeric_keypad_keys">Numeric keypad keys</h2> + +<p>These keys are found on the keyboard's numeric keypad. However, not all are present on every keyboard. Although typical numeric keypads have numeric keys from <kbd>0</kbd> to <kbd>9</kbd> (encoded as <code>"0"</code> through <code>"9"</code>), some multimedia keyboards include additional number keys for higher numbers.</p> + +<div class="note"> +<p>The <kbd>10</kbd> key, if present, generates events with the <code>key</code> value of <code>"0"</code>.</p> +</div> + +<table class="standard-table"> + <thead> + <tr> + <th rowspan="2" scope="col" style="text-align: left;"><code>KeyboardEvent.key</code> Value</th> + <th rowspan="2" scope="col" style="text-align: left;">Description</th> + <th colspan="4" scope="col" style="text-align: center;">Virtual Keycode</th> + </tr> + <tr> + <th scope="col" style="text-align: left;">Windows</th> + <th scope="col" style="text-align: left;">Mac</th> + <th scope="col" style="text-align: left;">Linux</th> + <th scope="col" style="text-align: left;">Android</th> + </tr> + <tr> + <td><code>"Decimal"</code> [1] {{obsolete_inline}}</td> + <td>The decimal point key (typically <kbd>.</kbd> or <kbd>,</kbd> depending on the region. In newer browsers, this value to simply be the character generated by the decimal key (one of those two characters). [1]</td> + <td><code>VK_DECIMAL</code> (0x6E)</td> + <td><code>kVK_ANSI_KeypadDecimal</code> (0x41)</td> + <td><code>GDK_KEY_KP_Decimal</code> (0xFFAE)</td> + <td><code>KEYCODE_NUMPAD_DOT</code> (158)</td> + </tr> + <tr> + <td><code>"Key11"</code></td> + <td>The <kbd>11</kbd> key found on certain media numeric keypads.</td> + <td></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Key12"</code></td> + <td>The <kbd>12</kbd> key found on certain media numeric keypads.</td> + <td></td> + <td></td> + <td></td> + <td></td> + </tr> + <tr> + <td><code>"Multiply"</code> [1] {{obsolete_inline}}</td> + <td>The numeric keypad's multiplication key, <kbd>*</kbd>.</td> + <td><code>VK_MULTIPLY</code> (0x6A)</td> + <td><code>kVK_ANSI_KeypadMultiply</code> (0x43)</td> + <td><code>GDK_KEY_KP_Multiply</code> (0xFFAA)<br> + <code>Qt::Key_Multiply</code> (0x0D7)</td> + <td><code>KEYCODE_NUMPAD_MULTIPLY</code> (155)</td> + </tr> + <tr> + <td><code>"Add"</code> [1] {{obsolete_inline}}</td> + <td>The numeric keypad's addition key, <kbd>+</kbd>.</td> + <td><code>VK_ADD</code> (0x6B)</td> + <td><code>kVK_ANSI_KeypadPlus</code> (0x45)</td> + <td><code>GDK_KEY_KP_Add</code> (0xFFAB)</td> + <td><code>KEYCODE_NUMPAD_ADD</code> (157)</td> + </tr> + <tr> + <td><code>"Clear"</code></td> + <td>The numeric keypad's <kbd>Clear</kbd> key.</td> + <td></td> + <td><code>kVK_ANSI_KeypadClear</code> (0x47)</td> + <td><code>GDK_KEY_Clear</code> (0xFF0B)<br> + <code>Qt::Key_Clear</code> (0x0100000B)</td> + <td><code>KEYCODE_CLEAR</code> (28)</td> + </tr> + <tr> + <td><code>"Divide"</code> [1] {{obsolete_inline}}</td> + <td>The numeric keypad's division key, /.</td> + <td><code>VK_DIVIDE</code> (0x6F)</td> + <td><code>kVK_ANSI_KeypadDivide</code> (0x4B)</td> + <td><code>GDK_KEY_KP_Divide</code> (0xFFAF)<br> + <code>Qt::Key_Slash</code> (0x2F)</td> + <td><code>KEYCODE_NUMPAD_DIVIDE</code> (154)</td> + </tr> + <tr> + <td><code>"Subtract"</code> [1] {{obsolete_inline}}</td> + <td>The numeric keypad's subtraction key, -.</td> + <td><code>VK_SUBTRACT</code> (0x6D)</td> + <td><code>kVK_ANSI_KeypadMinus</code> (0x4E)</td> + <td><code>GDK_KEY_KP_Subtract</code> (0xFFAD)</td> + <td><code>KEYCODE_NUMPAD_SUBTRACT</code> (156)</td> + </tr> + <tr> + <td><code>"Separator"</code> [1]</td> + <td>The numeric keypad's places separator character (in the United States, this is a comma, but elsewhere it is frequently a period).</td> + <td><code>VK_SEPARATOR</code> (0x6C)</td> + <td><code>kVK_JIS_KeypadComma</code> (0x5F)</td> + <td><code>GDK_KEY_KP_Separator</code> (0xFFAC)</td> + <td><code>KEYCODE_NUMPAD_COMMA</code> (159)</td> + </tr> + <tr> + <td>"0" through "9"</td> + <td>The actual digit keys on the numeric keypad.</td> + <td><code>VK_NUMPAD0</code> (0x60) - <code>VK_NUMPAD9</code> (0x69)</td> + <td><code>kVK_Keypad0</code> (0x52) - <code>kVK_Keypad9</code> (0x5C)</td> + <td><code>GDK_KEY_KP_0</code> (0xFFB0) - <code>GDK_KEY_KP_9</code> (0xFFB9)</td> + <td><code>KEYCODE_NUMPAD_0</code> (144) - <code>KEYCODE_NUMPAD_9</code> (153)</td> + </tr> + </thead> +</table> + +<p>[1] While older browsers used words like <code>"Add"</code>, <code>"Decimal"</code>, <code>"Multiply"</code>, and so forth modern browsers identify these using the actual character (<code>"+"</code>, <code>"."</code>, <code>"*"</code>, and so forth).</p> |