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What is the difference between event.preventDefault() and event.stopPropagation() in jQuery?
stopPropogation() method
To stop the bubbling of an event to parent elements, use the stopPropagation() method.
Example
You can try to run the following code to learn how to work with stopPropogation() method:
<html>
<head>
<title>jQuery stopPropagation() method</title>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script type = "text/javascript" language = "javascript">
$(document).ready(function() {
$("div").click(function(event){
alert("This is : " + $(this).text());
event.stopPropagation();
});
});
</script>
<style>
div {
margin:10px;
padding:12px;
border:2px solid #666;
width:160px;
}
</style>
</head>
<body>
<p>Click on any box to see the effect:</p>
<div id = "div1" style = "background-color:blue;">
OUTER BOX
<div id = "div2" style = "background-color:red;">
INNER BOX
</div>
</div>
</body>
</html>preventDefault() method
The preventDefault() method prevents the browser from executing the default action.
Example
You can try to run the following code to run event.preventDefault() method in jQuery:
<html>
<head>
<title>jQuery preventDefault() method</title>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script>
$(document).ready(function() {
$("a").click(function(event){
event.preventDefault();
alert( "Default behavior is disabled!" );
});
});
</script>
</head>
<body>
<span>Click the following link and it won't work:</span>
<a href = "https://www.qries.com">Qries</a>
</body>
</html>
Updated on: 11-Dec-2019
133 Views
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