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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:41:45 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:41:45 -0500
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+---
+title: Document.head
+slug: Web/API/Document/head
+translation_of: Web/API/Document/head
+---
+<p>{{APIRef("DOM")}}</p>
+
+<p>Devuelve el elemento {{HTMLElement("head")}} del documento actual. Si hay más de un elemento <code>&lt;head&gt;</code>, devuelve el primero de estos.</p>
+
+<h2 id="Syntax" name="Syntax">Sintaxis</h2>
+
+<pre class="syntaxbox"><em>var objRef</em> = document.head;
+</pre>
+
+<h2 id="Example" name="Example">Ejemplo</h2>
+
+<pre class="brush: js">// en el HTML: &lt;head id="my-document-head"&gt;
+var aHead = document.head;
+
+alert(aHead.id); // "my-document-head";
+
+alert( document.head === document.querySelector("head") ); // true
+</pre>
+
+<h2 id="Example" name="Example">Notas</h2>
+
+<p><code>document.head</code> is de sólo lectura. Cualquier intento de asignar un valor a esta propiedad fallará silenciosamente o, en caso de que se encuentre en <a href="/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/Strict_mode">Modo estricto de ECMAScript</a> en un navegador Gecko, lanzará un <a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypeError"><code>TypeError</code></a>.</p>
+
+<h2 id="Browser_Compatibility" name="Browser_Compatibility" style="line-height: 30px; font-size: 2.14285714285714rem;">Compatibilidad con navegadores</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<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>Soporte básico</td>
+ <td>4.0</td>
+ <td>{{CompatGeckoDesktop("2")}}</td>
+ <td>9.0</td>
+ <td>11.0</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>Soporte básico</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoMobile("2")}}</td>
+ <td>9.0</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Specification" name="Specification">Especificación</h2>
+
+<ul>
+ <li><a href="http://www.w3.org/TR/html5/dom.html#dom-tree-accessors" title="http://www.w3.org/TR/html5/dom.html#dom-document-head">HTML5: DOM Tree Accessors</a></li>
+</ul>