Hello World w JavaScript

<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>Hello World w JavaScript</title>
</head>
<body>
	<h2>Hello World w JavaScript</h2>
	<input type="text" id="myText" onkeyup="update()" onkeydown="update()">
	<span id="myResult"></span>
	
	<script>
	function update() {
		var text = document.getElementById("myText").value;
		document.getElementById("myResult").innerHTML = text;
	}
	</script>
</body>
</html>