জাভাস্ক্রিপ্ট links

<!DOCTYPE html>
<html>
<body>

<button onclick="execute()">click to view result</button><br>
<a href="/index.php">লার্নউইজ</p>

<script>
function execute() {
  document.links[0].style.color = "red";
}
</script>

</body>
</html>