Javascript Keyboard Events
Javascript events that occur when the user presses a key on the keyboard, belong to the KeyboardEvent Object.
Event Description
onkeydown The user is pressing a key.
onkeypress The user presses a key.
onkeyup The user releases a key.
EXAMPLE:
<!DOCTYPE html>
<html>
<body>
<p>The function transforms the character to upper case.</p>
Enter your name: <input type="text" id="fname" onkeyup="myFunction()">
<script>
function myFunction() {
var x = document.getElementById("fname");
x.value = x.value.toUpperCase();
}
</script>
</body>
</html>
OUTPUT:
