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Diffstat (limited to 'files/zh-cn/web/events/blur/index.html')
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diff --git a/files/zh-cn/web/events/blur/index.html b/files/zh-cn/web/events/blur/index.html deleted file mode 100644 index a57cc5b995..0000000000 --- a/files/zh-cn/web/events/blur/index.html +++ /dev/null @@ -1,150 +0,0 @@ ---- -title: blur (event) -slug: Web/Events/blur -translation_of: Web/API/Element/blur_event ---- -<p>当一个元素失去焦点的时候 blur 事件被触发。它和 <a href="/en-US/docs/Mozilla_event_reference/focusout"><code>focusout</code></a> 事件的主要区别是 focusout 支持冒泡。</p> - -<h2 id="常规信息">常规信息</h2> - -<dl> - <dt style="float: left; text-align: right; width: 120px;">规范</dt> - <dd style="margin: 0 0 0 120px;"><a class="external" href="http://www.w3.org/TR/DOM-Level-3-Events/#event-type-blur">DOM L3</a></dd> - <dt style="float: left; text-align: right; width: 120px;">接口</dt> - <dd style="margin: 0 0 0 120px;">{{domxref("FocusEvent")}}</dd> - <dt style="float: left; text-align: right; width: 120px;">是否冒泡</dt> - <dd style="margin: 0 0 0 120px;">否</dd> - <dt style="float: left; text-align: right; width: 120px;">可取消默认行为</dt> - <dd style="margin: 0 0 0 120px;">否</dd> - <dt style="float: left; text-align: right; width: 120px;">目标对象</dt> - <dd style="margin: 0 0 0 120px;">元素(Element)</dd> - <dt style="float: left; text-align: right; width: 120px;">默认行为</dt> - <dd style="margin: 0 0 0 120px;">无</dd> -</dl> - -<p>{{NoteStart}}{{domxref("Document.activeElement")}} 的值随浏览器的不同而不同 ({{bug(452307)}}): IE10把值设为焦点将要移向的对象 , 而Firefox和Chrome 往往把值设为<code>body</code> .{{NoteEnd}}</p> - -<h2 id="属性">属性</h2> - -<table class="standard-table"> - <thead> - <tr> - <th scope="col">属性</th> - <th scope="col">类型</th> - <th scope="col">描述</th> - </tr> - </thead> - <tbody> - <tr> - <td><code>target</code> {{readonlyInline}}</td> - <td>{{domxref("EventTarget")}}</td> - <td>产生该事件的对象(DOM树中最顶级的那个对象).</td> - </tr> - <tr> - <td><code>type</code> {{readonlyInline}}</td> - <td>{{domxref("DOMString")}}</td> - <td>事件类型.</td> - </tr> - <tr> - <td><code>bubbles</code> {{readonlyInline}}</td> - <td>{{jsxref("Boolean")}}</td> - <td>该事件是否冒泡.</td> - </tr> - <tr> - <td><code>cancelable</code> {{readonlyInline}}</td> - <td>{{jsxref("Boolean")}}</td> - <td>该事件是否可取消默认行为.</td> - </tr> - <tr> - <td><code>relatedTarget</code> {{readonlyInline}}</td> - <td>{{domxref("EventTarget")}} (DOM 元素)</td> - <td>无</td> - </tr> - </tbody> -</table> - -<h2 id="事件代理">事件代理</h2> - -<p>有两种方法来为这个事件实现事件代理:在支持 <code>focusout</code> 事件的浏览器中使用 focusout 事件(除了 FireFox 以外的浏览器都支持 focusout)或者通过设置 <a href="/en-US/docs/DOM/element.addEventListener"><code>addEventListener</code></a> 方法的第三个参数 "useCapture" 为 <code>true:</code></p> - -<h3 id="HTML_Content">HTML Content</h3> - -<pre class="brush:html;"><form id="form"> - <input type="text" placeholder="text input"> - <input type="password" placeholder="password"> -</form></pre> - -<h3 id="JavaScript_Content">JavaScript Content</h3> - -<pre class="brush: js">var form = document.getElementById("form"); -form.addEventListener("focus", function( event ) { - event.target.style.background = "pink"; -}, true); -form.addEventListener("blur", function( event ) { - event.target.style.background = ""; -}, true);</pre> - -<p>{{EmbedLiveSample('Event_delegation')}}</p> - -<h2 id="浏览器兼容性">浏览器兼容性</h2> - -<div>{{CompatibilityTable}}</div> - -<div id="compat-desktop"> -<table class="compat-table"> - <tbody> - <tr> - <th>Feature</th> - <th>Chrome</th> - <th>Firefox (Gecko)</th> - <th>Internet Explorer</th> - <th>Opera</th> - <th>Safari</th> - </tr> - <tr> - <td>Basic support</td> - <td>5</td> - <td>{{CompatVersionUnknown}}<sup>[1]</sup></td> - <td>6</td> - <td>12.1</td> - <td>5.1</td> - </tr> - </tbody> -</table> -</div> - -<div id="compat-mobile"> -<table class="compat-table"> - <tbody> - <tr> - <th>Feature</th> - <th>Android</th> - <th>Chrome for Android</th> - <th>Firefox Mobile (Gecko)</th> - <th>IE Mobile</th> - <th>Opera Mobile</th> - <th>Safari Mobile</th> - </tr> - <tr> - <td>Basic support</td> - <td>4.0</td> - <td>53</td> - <td>{{CompatUnknown}}</td> - <td>10.0</td> - <td>12.1</td> - <td>5.1</td> - </tr> - </tbody> -</table> -</div> - -<p>[1] 在 Gecko 24 {{geckoRelease(24)}} 之前,事件的接口为 {{domxref("Event")}},而不是 {{domxref("FocusEvent")}}。参考 ({{bug(855741)}}).</p> - -<h2 id="相关的事件">相关的事件</h2> - -<ul> - <li>{{event("focus")}}</li> - <li>{{event("blur")}}</li> - <li>{{event("focusin")}}</li> - <li>{{event("focusout")}}</li> -</ul> |