jQuery keyup() with Examples

jQuery Web Development Front 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>