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+---
+title: hashchange
+slug: Web/API/Window/hashchange_event
+tags:
+  - Referencia
+  - URL
+  - Web
+translation_of: Web/API/Window/hashchange_event
+---
+<p>El evento <code>hashchange</code> es ejecutado cuando el fragmento identificador de la URL ha cambiado (la parte de la URL que continúa despues del simbolo #, incluyendo el símbolo #).</p>
+
+<table class="properties">
+ <tbody>
+  <tr>
+   <td>Burbujas</td>
+   <td>Si</td>
+  </tr>
+  <tr>
+   <td>Cancelable</td>
+   <td>No</td>
+  </tr>
+  <tr>
+   <td>Objetivo</td>
+   <td>{{domxref("Window")}}</td>
+  </tr>
+  <tr>
+   <td>Interface</td>
+   <td>{{domxref("HashChangeEvent")}}</td>
+  </tr>
+  <tr>
+   <td>Acción predeterminada</td>
+   <td>Ninguna</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Propiedades">Propiedades</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>
+
+<p>En <a href="https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-Browser-Polyfills">esta página</a> se enlistan algunos scripts de ejemplo. Básicamente estos scripts revisan el <code>location.hash</code> en un intervalo regular. Aquí se muestra una versión que permite que solo un controlador sea ligado a la propiedad <code>window.onhashchange</code>:</p>
+
+<pre class="brush:js;">;(function(window) {
+
+  // salir si el navegador implementa el evento
+  if ("onhashchange" in window) { return; }
+
+  var location = window.location,
+    oldURL = location.href,
+    oldHash = location.hash;
+
+  // revisa el hash cada 100ms
+  setInterval(function() {
+    var newURL = location.href,
+      newHash = location.hash;
+
+    // si el hash ha cambiado y un controlador ha sido ligado...
+    if (newHash != oldHash &amp;&amp; typeof window.onhashchange === "function") {
+      // ejecuta el controlador
+      window.onhashchange({
+        type: "hashchange",
+        oldURL: oldURL,
+        newURL: newURL
+      });
+
+      oldURL = newURL;
+      oldHash = newHash;
+    }
+  }, 100);
+
+})(window);
+</pre>
+
+<h2 id="Especificaciones">Especificaciones</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Especificacion</th>
+   <th scope="col">Estado</th>
+   <th scope="col">Comentario</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('HTML WHATWG', 'indices.html#event-hashchange', 'hashchange')}}</td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td>Definición inicial</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilidad_con_navegadores">Compatibilidad con navegadores</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Característica</th>
+   <th>Chrome</th>
+   <th>Edge</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Soporte Básico</td>
+   <td>5.0</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoDesktop("1.9.2")}}<sup>[1]</sup></td>
+   <td>8.0<sup>[2]</sup></td>
+   <td>10.6</td>
+   <td>5.0</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Característica</th>
+   <th>Android</th>
+   <th>Edge</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Soporte Básico</td>
+   <td>2.2</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatGeckoMobile("1.9.2")}}</td>
+   <td>9.0</td>
+   <td>11.0</td>
+   <td>5.0</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<p>[1] Soporte para los atributos <code>oldURL</code>/<code>newURL</code> agregado en Firefox 6.</p>
+
+<p>[2] Atributos <code>oldURL</code>/<code>newURL</code> no soportados.</p>
+
+<h2 id="Ver_también">Ver también</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Mozilla_event_reference/popstate"><code>popstate</code></a></li>
+ <li><a href="/en-US/docs/Web/API/WindowEventHandlers/onhashchange">WindowEventHandlers.onhashchange</a></li>
+</ul>