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<!DOCTYPE html>
<html lang='en'><head><meta http-equiv='content-type' content='text/html; charset=UTF-8' /></head><body>
<div class="entry-content">
<div class="entry-title roundTop">
<h1 class="jq-clearfix">event.timeStamp</h1>
<div class="entry-meta jq-clearfix">
Categories:
<span class="category"><a href="http://api.jquery.com/category/events/" title="View all posts in Events">Events</a> > <a href="http://api.jquery.com/category/events/event-object/" title="View all posts in Event Object">Event Object</a></span>
</div>
</div>
<div id="event-timeStamp1" class="entry property">
<h2 class="jq-clearfix roundTop section-title">
<span class="name">event.timeStamp</span> <span class="returns">Returns: <a class="return" href="http://api.jquery.com/Types/#Number">Number</a></span>
</h2>
<div class="jq-box roundBottom entry-details">
<p class="desc"><strong>Description: </strong>The difference in milliseconds between the time an event is triggered and January 1, 1970.</p>
<ul class="signatures"><li class="signature" id="event-timeStamp"><h4 class="name">
<span class="versionAdded">version added: <a href="/category/version/1.2.6/">1.2.6</a></span>event.timeStamp</h4></li></ul>
<div class="longdesc"><p>This property can be useful for profiling the performance of certain jQuery functions by getting the <code>event.timeStamp</code> value at two points in the code and noting the difference.</p></div>
<h3>Example:</h3>
<div class="entry-examples" id="entry-examples"><div id="example-0">
<h4><span class="desc">Display the time since the click handler last executed.</span></h4>
<pre class="prettyprint"><code class="example demo-code"><!DOCTYPE html>
<html>
<head>
<style>
div { height: 100px; width: 300px; margin: 10px;
background-color: #ffd; overflow: auto; }
</style>
<script src="http://code.jquery.com/jquery-1.7rc2.js"></script>
</head>
<body>
<div>Click.</div>
<script>
var last, diff;
$('div').click(function(event) {
if ( last ) {
diff = event.timeStamp - last
$('div').append('time since last event: ' + diff + '<br/>');
} else {
$('div').append('Click again.<br/>');
}
last = event.timeStamp;
});
</script>
</body>
</html></code></pre>
<h4>Demo:</h4>
<div class="demo code-demo"></div>
</div></div>
</div>
</div>
</div>
</body></html>
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