---
title: GlobalEventHandlers.onclose
slug: Web/API/GlobalEventHandlers/onclose
tags:
  - API
  - HTML DOM
  - Property
  - Reference
translation_of: Web/API/GlobalEventHandlers/onclose
---
<div>{{ApiRef("HTML DOM")}}</div>

<p>送至視窗的 close event 的處理器（handler）。（不支援 Firefox 2 及 Safari）</p>

<h2 id="語法">語法</h2>

<pre class="syntaxbox">window.onclose = funcRef;
</pre>

<h3 id="參數">參數</h3>

<ul>
 <li><code>funcRef</code> 為函式的參照。</li>
</ul>

<h2 id="範例">範例</h2>

<pre class="brush: js">window.onclose = resetThatServerThing;
</pre>

<h2 id="規範">規範</h2>

<table class="spectable standard-table">
 <tbody>
  <tr>
   <th scope="col">規範</th>
   <th scope="col">狀態</th>
   <th scope="col">備註</th>
  </tr>
  <tr>
   <td>{{SpecName('HTML WHATWG','webappapis.html#handler-onclose','onclose')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="瀏覽器相容性">瀏覽器相容性</h2>

{{Compat("api.GlobalEventHandlers.onclose")}}