The jQuery keyup() method is used to attach a function to run when a keyup event occurs i.e. when a keyboard button is released after pressing.
Syntax:
To trigger the keyup event for selected elements.
$(selector).keyup()
To add a function to the keyup event.
$(selector).keyup(function)
Function:
- It is an optional parameter.
- The function parameter specifies the function to run when the event occurs.
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(){
$("input").css("background-color", "red");
});
});
</script>
</head>
<body>
Write something: <input type="text">
</body>
</html>