<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
.scroll {
height: 1200px;
background-color: yellow;
}
</style>
</head>
<body>
<h1> Scroll </h1>
<p class="scroll">This is a large scrollable area.</p>
<button onclick="scrollToTop()">
Click to scroll to top
</button>
<script>
function scrollToTop() {
window.scrollTo(0, 0);
}
</script>
</body>
</html>