---
title: focus
slug: Mozilla/Tech/XUL/Method/focus
translation_of: Archive/Mozilla/XUL/Method/focus
---
<div class="noinclude">
  <span class="breadcrumbs XULRefMeth_breadcrumbs">« <a href="/en-US/docs/XUL_Reference" title="/en-US/docs/XUL_Reference">XUL Reference home</a></span></div>
<dl>
  <dt>
    <span id="m-focus"><code><a href="https://developer.mozilla.org/zh-CN/docs/Mozilla/Tech/XUL/Method/focus">focus()</a></code></span></dt>
  <dd>
    返回值类型: 无返回值</dd>
  <dd>
    让指定的元素获得键盘焦点.</dd>
</dl>