<!DOCTYPE html>
<html>
<body>
<p><a id="myAnchor" href="../../www.example.com123@www.example.com/index.html">Example link</a></p>
<p>Click the button to change the password part of the link above.</p>
<button onclick="myFunction()">Try it</button>
<p><b>Note:</b> The password property is not supported in Internet Explorer, Safari and Opera version 12 (and earlier).</p>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("myAnchor").password = "newPassword101";
document.getElementById("demo").innerHTML = "The password was changed from 'smith123' to 'newPassword101'.";
}
</script>
</body>
</html>