jQuery isDefaultPrevented() Method

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Description:

The isDefaultPrevented() method checks whether event.preventDefault() was ever called on this event object.

This method returns true in case preventDefault() was called otherwise it returns false.

Syntax:

Here is the simple syntax to use this method:

Example

event.isDefaultPrevented()
                                        

Parameters:

Here is the description of all the parameters used by this method:

  • NA

Example:

Following is a simple example a simple showing the usage of this method. This example demonstrate how you can stop the browser from changing the page to the href of any anchors.

Example

<html>
<head>
   <script type="text/javascript"  src="../../js/jquery-2.2.0.js"></script>
   <script type="text/javascript" language="javascript">
   
   $(document).ready(function() {
        $("a").click(function(event){
         if ( event.isDefaultPrevented() ){
            alert( "Default behavior is disabled - 1" );
         }else{
            alert( "Default behavior is enabled - 1" );
         }
         event.preventDefault();
         if ( event.isDefaultPrevented() ){
            alert( "Default behavior is disabled - 2" );
         }else{
            alert( "Default behavior is enabled - 2" );
         }
      });
   });
   </script>
</head>
<body>
   <span>Click the following link and it won't work:</span>
   <a href="http://http://www.google.com">GOOGLE Inc.</a>
</body>
</html>
                                        
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