HTML | defaultPrevented Event Property

The defaultPrevented event property is used for checking whether the preventDefault() method was called for the event or not.

Return Values:
The defaultPrevented event property returns true if the preventDefault() method was called for the event, else it returns false.

Syntax :

event.defaultPrevented

Below program illustrates the defaultPrevented event property :

Example-1: Checking if preventDefault() was called or not.

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>defaultPrevented Event Property in HTML</title> 
    <style> 
        h1 { 
            color: green; 
        } 
          
        h2 { 
            font-family: Impact; 
        } 
          
        body { 
            text-align: center; 
        } 
    </style> 
</head> 
  
<body onclick="MyEvent(event)"> 
  
    <h1>GeeksforGeeks</h1> 
    <h2>defaultPrevented Event Property</h2> 
  
    <a id="mylink" href="https://www.geeksforgeeks.org"> 
    Geeksforgeeks 
    </a> 
  
    <p>To receive an alert box with the element 
    whose eventlistener triggered the event,  
    Click on this line. 
    </p> 
  
    <script> 
        document.getElementById("mylink").addEventListener( 
            "click", function(event) { 
  
                event.preventDefault() 
                alert("Is preventDefault() called : " +  
                    event.defaultPrevented); 
            }); 
    </script> 
  
</body> 
  
</html>                     

Output:
Beforer clicking the button:

After clicking the button:

Supported Browsers:

Opera
Internet Explorer
Google Chrome
Firefox
Apple Safari

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