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---
title: 'Window: hashchange event'
slug: Web/API/Window/hashchange_event
tags:
- API
- DOM
- Event
- HashChange
- Window
- onhashchange
- 事件
- 参考
translation_of: Web/API/Window/hashchange_event
---
<p>{{APIRef}}</p>
<p>当URL的片段标识符更改时，将触发<strong>hashchange</strong>事件 (跟在＃符号后面的URL部分，包括＃符号)</p>
<table class="properties">
<tbody>
<tr>
<th scope="row">Bubbles</th>
<td>Yes</td>
</tr>
<tr>
<th scope="row">Cancelable</th>
<td>No</td>
</tr>
<tr>
<th scope="row">Interface</th>
<td>{{domxref("HashChangeEvent")}}</td>
</tr>
<tr>
<th scope="row">Event handler</th>
<td>{{domxref("WindowEventHandlers/onhashchange", "onhashchange")}}</td>
</tr>
</tbody>
</table>
<h2 id="示例">示例</h2>
<p>你可以在 {{domxref("EventTarget/addEventListener", "addEventListener")}} 方法中使用 <code>hashchange</code> 事件：</p>
<pre class="brush:js">window.addEventListener('hashchange', function() {
console.log('The hash has changed!')
}, false);</pre>
<p>或使用 <code>onhashchange</code> 事件处理程序属性：</p>
<pre class="brush: js">function locationHashChanged() {
if (location.hash === '#cool-feature') {
console.log("You're visiting a cool feature!");
}
}
window.onhashchange = locationHashChanged;</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">规范</th>
<th scope="col">状态</th>
<th scope="col">注释</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName('HTML WHATWG', 'indices.html#event-hashchange', 'hashchange')}}</td>
<td>{{Spec2('HTML WHATWG')}}</td>
<td>Initial definition</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("api.Window.hashchange_event")}}</p>
<h2 id="参见">参见</h2>
<ul>
<li>{{domxref("Window/popstate_event", "popstate")}}</li>
<li>{{domxref("WindowEventHandlers.onhashchange")}}</li>
</ul>
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