Tryit Editor v2.9

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

<p>Click the button to create a NAV element containing a link.</p>

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

<p id="myP"></p>

<script>
function myFunction() {
    var x = document.createElement("NAV");   
    document.body.appendChild(x);

    var anchorElmnt = document.createElement("A");
    anchorElmnt .setAttribute("href", "/html");
    var txt1 = document.createTextNode("HTML");
    anchorElmnt .appendChild(txt1);

    x.appendChild(anchorElmnt);
}
</script>

</body>
</html>