<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Example of Keydown Event</title>
<style>
.highlight { background-color: yellow; }
</style>
<script>
document.addEventListener('DOMContentLoaded', function () {
const inputField = document.getElementById('inputField');
inputField.addEventListener('keydown', function(event) {
console.log('Key down:', event.key);
if (event.key === "Enter") {
this.classList.add('highlight');
event.preventDefault(); // Prevents the default action of the enter key
}
});
});
</script>
</head>
<body>
<input type="text" id="inputField" placeholder="Press 'Enter' to highlight">
</body>
</html>