event.isImmediatePropagationStopped()

event.isImmediatePropagationStopped ( ) Returns: Booleanversion added: 1.3

Description: Returns whether event.stopImmediatePropagation() was ever called on this event object.

This property was introduced in DOM level 3.

Examples:

Example: Checks whether event.stopImmediatePropagation() was called. 

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>

  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
  

<button>click me</button>
<div id="stop-log"></div>
  
<script>

function immediatePropStopped( event ) {
  var msg = "";
  if ( event.isImmediatePropagationStopped() ) {
    msg = "called";
  } else {
    msg = "not called";
  }
  $( "#stop-log" ).append( "<div>" + msg + "</div>" );
}

$( "button" ).click(function( event ) {
  immediatePropStopped( event );
  event.stopImmediatePropagation();
  immediatePropStopped( event );
});

</script>

  
</body>
</html>

Demo: