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The event occurs when a keyboard key is released. The keyup() method triggers the keyup event, or attaches a function to run when a keyup event occurs.
Syntax:
$(selector).keyup() - Trigger the keyup event for the selected elements.
$(selector).keyup(function) - Attach a function to the keyup event.
Example:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<script src="https://code.jquery.com/jquery-3.4.1.js"></script>
<script>
$(document).ready(function(){
$("input").keydown(function(){
$("input").css("background-color", "red");
});
$("input").keyup(function(){
$("input").css("background-color", "yellow");
});
});
</script>
</head>
<body>
Write Anything: <input type="text">
</body>
</html>we use two functions one is keyup and keydown.keyup occurs when we release a key.keydown occurs when we press a key on keyboard
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