Tryit Editor v2.7

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<a id="w3s" accesskey="w" href="../default.html">W3Schools</a>

<p>Click the button to get the accesskey of the link.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
    var x = document.getElementById("w3s").accessKey;
    document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>