sargonco

<!DOCTYPE html>
<html>
<head>
<script src="http://www.sargonco.com/Uploads/Public/article/webdistut/javascript/jquery-3.2.1.min.js"></script>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $("button").click(function(){
        $("#w3s").attr("href", function(i, origValue){
            return origValue + "/jquery";
        });
    });
});
</script>
</head>
<body>

<p><a href="https://www.sargonco.com" id="w3s">sargonco.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>

Mouse over the link (or click on it) to see that the value of the href attribute has changed.