event.isPropagationStopped()


event.isPropagationStopped()Returns: Boolean

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

This event method is described in the W3C DOM Level 3 specification.

Example:

Checks whether event.stopPropagation() was called

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>event.isPropagationStopped demo</title>
<script src="https://code.jquery.com/jquery-3.7.1.js"></script>
</head>
<body>
<button>click me</button>
<div id="stop-log"></div>
<script>
function propStopped( event ) {
var msg = "";
if ( event.isPropagationStopped() ) {
msg = "called";
} else {
msg = "not called";
}
$( "#stop-log" ).append( "<div>" + msg + "</div>" );
}
$( "button" ).on( "click", function( event ) {
propStopped( event );
event.stopPropagation();
propStopped( event );
} );
</script>
</body>
</html>

Demo: