<html><head><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script><script>$(document).ready(function(){ $("button").click(function(){ $("#w3s").attr("href", "index.html"); });});</script></head><body><p><a href="../index.html" id="w3s">W3Schools.com</a></p><button>Change href Value</button><p>Mouse over the link (or click on it) to see that the value of the href attribute has changed.</p></body></html>