The jQuery keyup() event occurs when a keyboard button is released after pressing. This method is executed or attach a function to run when a keyup() event occurs.
Syntax:
$(selector).keyup()
It triggers the keyup event for selected elements.
$(selector).keyup(function)
It adds a function to the keyup event.
| Parameter | Description |
|---|---|
| Function | It is an optional parameter. It is executed itself when the keypress event is triggered. |
Let's take an example to demonstrate jQuery keyup() event.
<!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", "red");
});
$("input").keyup(function(){
$("input").css("background-color", "yellow");
});
});
</script>
</head>
<body>
Write something: <input type="text">
</body>
</html>Output:
