<!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 first 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 first LI element, the result will be "undefined".</p>
<p id="demo"></p>
<script>
function myFunction() {
var list = document.getElementById("myList").firstChild.innerHTML;
document.getElementById("demo").innerHTML = list;
}
</script>
</body>
</html>