<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>getElementById Example</title>
</head>
<body>
<div id="example">Click the button to change me!</div>
<button onclick="changeContent()">Change Content</button>
<script>
function changeContent() {
const element = document.getElementById('example');
element.textContent = "You clicked the button!";
}
</script>
</body>
</html>