---
title: WindowEventHandlers.onhashchange
slug: Web/API/WindowEventHandlers/onhashchange
translation_of: Web/API/WindowEventHandlers/onhashchange
---
<div>
<div>{{APIRef("HTML DOM")}}</div>
</div>

<p>Событие <strong>hashchange</strong> происходит когда изменяется hash (смотри {{domxref("Window.location", "location.hash")}}).</p>

<h2 id="Синтаксис">Синтаксис</h2>

<pre class="syntaxbox">window.onhashchange = funcRef;
</pre>

<p><strong>или</strong></p>

<pre class="syntaxbox">&lt;body onhashchange="funcRef();"&gt;
</pre>

<p><strong>или</strong></p>

<pre class="syntaxbox">window.addEventListener("hashchange", funcRef, false);
</pre>

<h3 id="Параметры">Параметры</h3>

<dl>
 <dt><code>funcRef</code></dt>
 <dd>Ссылка на функцию.</dd>
</dl>

<h2 id="Пример">Пример</h2>

<pre class="brush:js">if ("onhashchange" in window) {
    alert("The browser supports the hashchange event!");
}

function locationHashChanged() {
    if (location.hash === "#somecoolfeature") {
        somecoolfeature();
    }
}

window.onhashchange = locationHashChanged;
</pre>

<h2 id="The_hashchange_event">The hashchange event</h2>

<p>The dispatched <code>hashchange</code> event has the following fields:</p>

<table class="standard-table">
 <tbody>
  <tr>
   <td class="header">Field</td>
   <td class="header">Type</td>
   <td class="header">Description</td>
  </tr>
  <tr>
   <td><code>newURL</code> {{gecko_minversion_inline("6.0")}}</td>
   <td><code>DOMString</code></td>
   <td>The new URL to which the window is navigating.</td>
  </tr>
  <tr>
   <td><code>oldURL</code> {{gecko_minversion_inline("6.0")}}</td>
   <td><code>DOMString</code></td>
   <td>The previous URL from which the window was navigated.</td>
  </tr>
 </tbody>
</table>

<h2 id="Specifications">Specifications</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName('HTML WHATWG', '#windoweventhandlers', 'GlobalEventHandlers')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5.1', '#windoweventhandlers', 'GlobalEventHandlers')}}</td>
   <td>{{Spec2('HTML5.1')}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{SpecName("HTML5 W3C", "#windoweventhandlers", "GlobalEventHandlers")}}</td>
   <td>{{Spec2('HTML5 W3C')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Поддержка браузерами</h2>

<p>{{Compat("api.WindowEventHandlers.onhashchange")}}</p>