files/zh-cn/web/api/event/timestamp/index.html


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---
title: event.timeStamp
slug: Web/API/Event/timeStamp
tags:
  - API
  - DOM
  - Event
  - timeStamp
translation_of: Web/API/Event/timeStamp
---
<div>{{APIRef}}</div>

<div> </div>

<div class="warning"><strong>警告:</strong> 在Gecko中,该属性的值不是事件发生时正确的事件戳.查看 <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=238041" title="https://bugzilla.mozilla.org/show_bug.cgi?id=238041">https://bugzilla.mozilla.org/show_bug.cgi?id=238041</a></div>

<h3 id="Summary" name="Summary">概述</h3>

<p>返回事件发生时的时间戳.</p>

<h3 id="Syntax" name="Syntax">语法</h3>

<pre class="eval" style="margin-top: 0px; margin-right: 0px; margin-bottom: 1.286em; margin-left: 0px; padding-top: 15px; padding-right: 15px; padding-bottom: 15px; padding-left: 15px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: dotted; border-right-style: dotted; border-bottom-style: dotted; border-left-style: dotted; background-clip: initial; background-color: rgb(246, 246, 242); font: normal normal normal 100%/normal 'Courier New', 'Andale Mono', monospace;"><em>var number</em> = event.timeStamp;
</pre>

<h3 id="Syntax" name="Syntax">例子</h3>

<pre class="brush: html">&lt;html&gt;
&lt;head&gt;

&lt;title&gt;timeStamp example&lt;/title&gt;

&lt;script type="text/javascript"&gt;
function getTime(event) {
  document.getElementById("time").firstChild.nodeValue = event.timeStamp;
}
&lt;/script&gt;
&lt;/head&gt;

&lt;body onkeypress="getTime(event)"&gt;

&lt;p&gt;按下任意键获取onkeypress事件对象的timestamp属性值.&lt;/p&gt;
&lt;p&gt;timeStamp: &lt;span id="time"&gt;-&lt;/span&gt;&lt;/p&gt;

&lt;/body&gt;
&lt;/html&gt;
</pre>

<h3 id="Notes" name="Notes">备注</h3>

<p>此属性仅适用于事件系统支持该属性的特定事件类型.</p>

<h3 id="Specification" name="Specification">规范</h3>

<p><a class="external" href="http://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/events.html#Events-Event-timeStamp">event.timestamp</a></p>