---
title: window.focus
slug: Web/API/Window/focus
tags:
  - DOM
  - DOM_0
  - Gecko
  - Gecko DOM Reference
  - Window
translation_of: Web/API/Window/focus
---
<div>
 {{ApiRef}}</div>
<h2 id="Summary" name="Summary">概要</h2>
<p>ウィンドウにフォーカスを合わせます。</p>
<h2 id="Syntax" name="Syntax">構文</h2>
<pre class="syntaxbox">window.focus()
</pre>
<h2 id="Example" name="Example">例</h2>
<pre class="brush:js">if ( clicked ) {
  window.focus();
}</pre>
<h2 id="Specification" name="Specification">仕様</h2>
<p>{{DOM0}}</p>