isDefaultPrevented
Prevent errors
jquery isDefaultPrevented() method syntax
Function: isDefaultPrevented() method returns whether the preventDefault() method is called on the specified event object.
Syntax: event.isDefaultPrevented()
Parameters:
| Parameter | Description |
| event | Required. Specifies the events that need to be checked. The event parameter comes from the event binding function. |
jquery isDefaultPrevented() method example
<html>
<head>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("a").click(function(event){
event.preventDefault();
alert("Default prevented: " + event.isDefaultPrevented());
});
});
</script>
</head>
<body>
<a href="http://www.php.cn/">php中文网</a>
<p>preventDefault() 方法将防止上面的链接打开 URL。</p>
<p>请点击该链接，检查是否阻止了默认动作。</p>
</body>
</html>Run instance »
Click the "Run instance" button to view the online instance
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