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---
title: hashchange
slug: Web/API/Window/hashchange_event
translation_of: Web/API/Window/hashchange_event
---
<p>Событие <code>hashchange</code> генерируется когда изменяется идентификатор фрагмента URL (т.е. часть URL следующая за символом #, включая сам символ #).</p>
<h2 id="Общая_информация">Общая информация</h2>
<dl>
<dt style="float: left; text-align: right; width: 120px;">Спецификация</dt>
<dd style="margin: 0 0 0 120px;"><a class="external" href="http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#event-hashchange">HTML5</a></dd>
<dt style="float: left; text-align: right; width: 120px;">Интерфейс</dt>
<dd style="margin: 0 0 0 120px;">HashChangeEvent</dd>
<dt style="float: left; text-align: right; width: 120px;">Bubbles</dt>
<dd style="margin: 0 0 0 120px;">Yes</dd>
<dt style="float: left; text-align: right; width: 120px;">Cancelable</dt>
<dd style="margin: 0 0 0 120px;">No</dd>
<dt style="float: left; text-align: right; width: 120px;">Target</dt>
<dd style="margin: 0 0 0 120px;">defaultView</dd>
<dt style="float: left; text-align: right; width: 120px;">Действие по умолчанию</dt>
<dd style="margin: 0 0 0 120px;">None</dd>
</dl>
<h2 id="Свойства">Свойства</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Property</th>
<th scope="col">Type</th>
<th scope="col">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>target</code> {{readonlyInline}}</td>
<td>{{domxref("EventTarget")}}</td>
<td>The browsing context (<code>window</code>).</td>
</tr>
<tr>
<td><code>type</code> {{readonlyInline}}</td>
<td>{{domxref("DOMString")}}</td>
<td>The type of event.</td>
</tr>
<tr>
<td><code>bubbles</code> {{readonlyInline}}</td>
<td>{{jsxref("Boolean")}}</td>
<td>Whether the event normally bubbles or not.</td>
</tr>
<tr>
<td><code>cancelable</code> {{readonlyInline}}</td>
<td>{{jsxref("Boolean")}}</td>
<td>Whether the event is cancellable or not.</td>
</tr>
<tr>
<td><code>oldURL</code> {{readonlyInline}}</td>
<td>{{jsxref("String")}}</td>
<td>The previous URL from which the window was navigated.</td>
</tr>
<tr>
<td>newURL {{readonlyInline}}</td>
<td>{{jsxref("String")}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="Совместимость_с_браузерами">Совместимость с браузерами</h2>
<p>{{ CompatibilityTable() }}</p>
<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>5.0</td>
<td>{{ CompatGeckoDesktop("1.9.2") }}<br>
<small>Support for the <code>oldURL</code>/<code>newURL</code> attributes added in Firefox 6.</small></td>
<td>8.0<br>
<code>oldURL</code>/<code>newURL</code> attributes are not supported.</td>
<td>10.6</td>
<td>5.0</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>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>2.2</td>
<td>{{ CompatGeckoMobile("1.9.2") }}</td>
<td>9.0</td>
<td>11.0</td>
<td>5.0</td>
</tr>
</tbody>
</table>
</div>
<p><br>
There are several fallback scripts listed on <a href="https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-Browser-Polyfills" title="https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-Browser-Polyfills">this page</a>. Basically those scripts check the location.hash at a regular interval. Here is a version that allows only one handler to be bound to the <code>window.onhashchange</code> property:</p>
<pre class="brush:js;">(function(window) {
// exit if the browser implements that event
if ( "onhashchange" in window.document.body ) { return; }
var location = window.location,
oldURL = location.href,
oldHash = location.hash;
// check the location hash on a 100ms interval
setInterval(function() {
var newURL = location.href,
newHash = location.hash;
// if the hash has changed and a handler has been bound...
if ( newHash != oldHash && typeof window.onhashchange === "function" ) {
// execute the handler
window.onhashchange({
type: "hashchange",
oldURL: oldURL,
newURL: newURL
});
oldURL = newURL;
oldHash = newHash;
}
}, 100);
})(window);
</pre>
<h2 id="Похожие_события">Похожие события</h2>
<ul>
<li><a href="/en-US/docs/Mozilla_event_reference/popstate"><code>popstate</code></a></li>
</ul>
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