<!DOCTYPE html>
<html>
<body>
<!-- Note that the <li> elements inside <ul> are not indented (whitespaces).
If they were, the first child node of <ul> would be a text node
-->
<ul id="myList"><li>Coffee</li><li>Tea</li></ul>
<p>Click the button to see if the ul element has any child nodes. If so, remove its first child node (index 0).</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
var list = document.getElementById("myList");
if (list.hasChildNodes()) {
list.removeChild(list.childNodes[0]);
}
}
</script>
</body>
</html>