jQuery keyup() method

Definition

Use the jQuery keyup() method to fire the keyup event i.e. when a keyboard key is pressed up.

Syntax

The following is the syntax,

$(selector).keyup(func)

The following is the parameter for the keyup method,

  • func: When the keyup event is fired, this function runs. This is an optional parameter.

Example

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>

$(document).ready(function(){  
   $("#input").keyup(function(){
     $(this).css("background-color", "yellow");
   });
   $("#input").keypress(function(){
     $(this).css("background-color", "orange");
   });
});
</script>
</head>
<body>

<h3>Studyopedia Quiz</h3>
<p>Add you details here to attempt Studyopedia Quiz,</p>
Subject ID: <input id="input" type="number"><br>

<p>Add the details in the field above. The background color will change on pressing any key. On keyup, the color will change again.</p>

</body>
</html>

The following is the output,

The background color will change on pressing any key. On keyup, the color will change again.

jQuery keypress() method
jQuery mousedown() method
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