<!DOCTYPE html>
<html>
<body>
<p><a id="myAnchor" href="../index.html">W3Schools</a></p>
<p>Click the button to display the value of the id attribute of the link above.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myAnchor").id;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>