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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/window/error_event/index.html | |
| parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
| download | translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.gz translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.bz2 translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.zip | |
initial commit
Diffstat (limited to 'files/zh-cn/web/api/window/error_event/index.html')
| -rw-r--r-- | files/zh-cn/web/api/window/error_event/index.html | 133 |
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diff --git a/files/zh-cn/web/api/window/error_event/index.html b/files/zh-cn/web/api/window/error_event/index.html new file mode 100644 index 0000000000..893466b46d --- /dev/null +++ b/files/zh-cn/web/api/window/error_event/index.html @@ -0,0 +1,133 @@ +--- +title: 'Window: error event' +slug: Web/API/Window/error_event +translation_of: Web/API/Window/error_event +--- +<div>{{APIRef}}</div> + +<p>当资源加载失败或无法使用时，会在{{domxref("Window")}}对象触发<code>error</code>事件。例如：script 执行时报错。</p> + +<table class="properties"> + <tbody> + <tr> + <th scope="row">Bubbles（支持冒泡）</th> + <td>No</td> + </tr> + <tr> + <th scope="row">Cancelable（可撤销）</th> + <td>No</td> + </tr> + <tr> + <th scope="row">Interface（接口）</th> + <td>{{domxref("Event")}} or {{domxref("UIEvent")}}</td> + </tr> + <tr> + <th scope="row">Event handler property（事件处理程序属性）</th> + <td><code><a href="/en-US/docs/Web/API/GlobalEventHandlers/onerror">onerror</a></code></td> + </tr> + </tbody> +</table> + +<p>如果它是由用户界面元素生成的，或者是由事件实例生成的，那么此事件是{{domxref("UIEvent")}}实例。</p> + +<h2 id="示例">示例</h2> + +<h3 id="在线示例"><a href="https://developer.mozilla.org/zh-CN/docs/Web/API/Window/blur_event#%E5%9C%A8%E7%BA%BF%E7%A4%BA%E4%BE%8B">在线示例</a></h3> + +<h4 id="HTML">HTML</h4> + +<pre class="brush: html"><div class="controls"> + <button id="script-error" type="button">Generate script error</button> + <img class="bad-img" /> +</div> + +<div class="event-log"> + <label>Event log:</label> + <textarea readonly class="event-log-contents" rows="8" cols="30"></textarea> +</div></pre> + +<div class="hidden"> +<h4 id="CSS">CSS</h4> + +<pre class="brush: css">body { + display: grid; + grid-template-areas: "control log"; +} + +.controls { + grid-area: control; + display: flex; + align-items: center; + justify-content: center; +} + +.event-log { + grid-area: log; +} + +.event-log-contents { + resize: none; +} + +label, button { + display: block; +} + +button { + height: 2rem; + margin: .5rem; +} + +img { + width: 0; + height: 0; +} +</pre> +</div> + +<h4 id="JS">JS</h4> + +<pre class="brush: js">const log = document.querySelector('.event-log-contents'); + +window.addEventListener('error', (event) => { + log.textContent = log.textContent + `${event.type}: ${event.message}\n`; + console.log(event) +}); + +const scriptError = document.querySelector('#script-error'); +scriptError.addEventListener('click', () => { + const badCode = 'const s;'; + eval(badCode); +}); +</pre> + +<h4 id="结果">结果</h4> + +<p>{{ EmbedLiveSample('Live_example', '100%', '150px') }}</p> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + </tr> + <tr> + <td>{{SpecName('UI Events', '#event-type-error')}}</td> + <td>{{Spec2('UI Events')}}</td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + + + +<p>{{Compat("api.Window.error_event")}}</p> + +<h2 id="相关事件">相关事件</h2> + +<ul> + <li>This event on <code>Element</code> targets: <code><a href="/en-US/docs/Web/API/Element/error_event">error</a></code> event </li> +</ul> |