Javascript DOM Event cancelable Property

Introduction

Find out if a specific event is cancelable: 

var x = event.cancelable;

Click the button to find out if the onclick event is a cancelable event.

View in separate window 

<!DOCTYPE html>
<html>
<body>
<button onclick="myFunction(event)">Test</button>
<p id="demo"></p>
<script>
function myFunction(event) {/* w w w.  ja  v a2  s . co m*/
  var x = event.cancelable;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The cancelable event property returns a Boolean value indicating whether or not an event is a cancelable event.

Possible values:

  • true - The event is cancelable
  • false - The event is not cancelable

The event is cancelable if it is possible to prevent the events default action.

To cancel an event, use the preventDefault() method.




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