Jquery keyup() Method

jQuery keyup method triggers when you release the pressed key. You can attach functions to execute when this event occurs.

The order of events related to the keyup event:

Ø keydown - The key is on its way down
Ø keypress - The key is pressed down
Ø keyup - The key is released
The keyup event occurs when a keyboard key is released.

Syntex:-

$(selector).keyup()

Example :
<!DOCTYPE html> 
<html> 
<head> 
<script src="https://code.jquery.com/jquery-1.10.2.js"></script> 
<script> 
$(document).ready(function(){ 
    $("input").keydown(function(){ 
        $("input").css("background-color", "blue"); 
    }); 
    $("input").keyup(function(){ 
        $("input").css("background-color", "red"); 
    }); 
}); 
</script> 
</head> 
<body> 
Write something inside textbox: <input type="text"> 
</body> 
</html>