jQuery event.isDefaultPrevented()

Introduction

Prevent a link from opening the URL, and check if preventDefault() was called:

View in separate window 

<!DOCTYPE html>
<html>
<head>
<script 
 src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
</script>//from  w w w  .  j a va  2s.  c o  m
<script>
$(document).ready(function(){
  $("a").click(function(event){
    event.preventDefault();
    document.getElementById("demo").innerHTML = 
          "Was preventDefault() called: " + event.isDefaultPrevented();
  });
});
</script>
</head>
<body>

<p id="demo"></p>
<a href="http://java2s.com/">Go to java2s.com</a>

<p>Click the link and check if the default action is prevented.</p>

</body>
</html>

The event.isDefaultPrevented() method checks whether the preventDefault() method was called for the event. 

event.isDefaultPrevented()
Parameter Optional Description
event Required. The event parameter comes from the event binding function



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