Tryit Editor v2.7

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

<p>Example list:</p>
<ul id="myList"><li>Coffee</li><li>Tea</li></ul>

<p>Click the button to get the HTML content of the list's last child node.</p>

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

<p><strong>Note:</strong> Whitespace inside elements is considered as text, and text is considered as nodes.</p>

<p>If you add whitespace before the closing UL element, the result will be "undefined".</p>

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

<script>
function myFunction() {
    var list = document.getElementById("myList").lastChild.innerHTML;
    document.getElementById("demo").innerHTML = list;
}
</script>

</body>
</html>