HTML | defaultPrevented Event Property

Last Updated : 28 Apr, 2023

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

The below program illustrates the defaultPrevented event property.

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

html

<!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>