jQuery keyup() with Examples

jQueryWeb DevelopmentFront End Technology

The keyup() method in jQuery is used to trigger the keyup event. It occurs when the keyboard key is released.

Syntax

The syntax is as follows −

$(selector).keyup(func)

Example

Let us now see an example to implement the jQuery keyup() 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(){
      $("input").keydown(function(){
         $("input").css("color", "red");
      });
      $("input").keyup(function(){
         $("input").css("color", "blue");
      });
   });
</script>
</head>
<body>
<h2>Registeration</h2>
<p>Enter username of the student:</p>
Username: <input type="text">
</body>
</html>

Output

This will produce the following output −

Now, when a keyboard key is pressed down (on its way down), the text color change to red −

Now, when a keyboard key is released, the text color change to blue −

raja
Updated on 30-Dec-2019 08:04:36

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