jQuery removeData() with Examples

jQueryWeb DevelopmentFront End Technology

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 

 Live Demo

<!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 −

raja
Published on 31-Dec-2019 12:36:24
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