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+---
+title: HTMLElement.lang
+slug: Web/API/HTMLElement/lang
+translation_of: Web/API/HTMLElement/lang
+---
+<div>{{ APIRef("HTML DOM") }}</div>
+
+<p>The <code><strong>HTMLElement.lang</strong></code> property gets or sets the base language of an element's attribute values and text content.</p>
+
+<p>The language code returned by this property is defined in <a class="external" href="http://tools.ietf.org/html/rfc1766" title="http://tools.ietf.org/html/rfc1766">RFC 1766</a>. Common examples include "en" for English, "ja" for Japanese, "es" for Spanish and so on. The default value of this attribute is <code>unknown</code>. Note that this attribute, though valid at the individual element level described here, is most often specified for the root element of the document.</p>
+
+<p>This also only works with the <code>lang</code> attribute and not with <code>xml:lang</code>.</p>
+
+<h2 id="Syntax" name="Syntax">Sintaxe</h2>
+
+<pre class="syntaxbox">var <var>languageUsed</var> = elementNodeReference.lang; // Get the value of lang
+elementNodeReference.lang = <var>NewLanguage</var>; // Set new value for lang
+</pre>
+
+<p><var>languageUsed é uma variável string que obtém o idioma no qual o texto do elemento atual é gravado. NewLanguage é uma variável  string cujo valor define o idioma no qual o texto do elemento atual é gravado.</var></p>
+
+<h2 id="Example" name="Example">Exemplo</h2>
+
+<pre class="brush: js">// this snippet compares the base language and
+// redirects to another url based on language
+if (document.documentElement.lang === "en") {
+  window.location.href = "Some_document.html.en";
+} else if (document.documentElement.lang === "ru") {
+  window.location.href = "Some_document.html.ru";
+}</pre>
+
+<h2 id="Specification" name="Specification">Especificação</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Especificação</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comentário</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('DOM2 HTML', 'html.html#ID-59132807', 'lang')}}</td>
+   <td>{{Spec2('DOM2 HTML')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<p> </p>