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jQuery removeData() with Examples
The removeData() method in jQuery is used to remove the data set with the data() method.
Syntax
The syntax is as follows −
$(selector).removeData(name)
Above, the name parameter is used to specify the name of the data to remove.
Example
Let us now see an example to implement the jQuery removeData() method −
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$(".button1").click(function(){
$("div").data("student", "Jack Sparrow");
alert("Student Name = " +$("div").data("student"));
});
$(".button2").click(function(){
$("div").removeData("student");
alert("Student Name = " +$("div").data("Jack Sparrow"));
});
});
</script>
<style>
.button1 {
background-color: orange;
color: white;
}
.button2 {
background-color: orange;
color: white;
}
</style>
</head>
<body>
<h2>Demo Heading</h2>
<button class="button1">Attach</button><br><br>
<button class="button2">Remove</button>
<div></div>
</body>
</html>Output
This will produce the following output −
Now, click “Attach” to display data. The data would be visible on the alert box −
Click “Remove” to remove data. Now, the Student Name would be undefined −
Updated on: 31-Dec-2019
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