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jQuery keyup() Method

jQuery keyup() method in jQuery is used to add a function or triggers the keyup event to run when a keyup event occurs.

Syntax:

Trigger the keyup event for the selected elements:	$(selector).keyup()
Attach a function to the keyup event:	$(selector).keyup(function)

Parameter Values

Parameter	Description
function	It is optional parameter and is used to specifies the function to run when the keyup event is triggered./td>

Here is an Example of jQuery keyup() Method:


<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("background-color", "orange");
});
$("input").keyup(function(){
$("input").css("background-color", "blue");
});
});
</script>
</head>
<body>
Username: <input type="text">
<p> It will change background color on keydown and keyup and when Enter text in the input field above..</p>
</body>
</html>

Output:
Username:

It will change background color on keydown and keyup and when Enter text in the input field above..

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