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---
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>
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