জাভাস্ক্রিপ্ট onhashchange

<!DOCTYPE html>
<html>
<body>

<a href="#home">হোম</a>
<a href="#about"></a>

<p id="message"></p>

<script>
window.onhashchange = function() {
  document.getElementById("message").innerHTML =
    "Hash changed to: " + location.hash;
};
</script>

</body>
</html>