<!DOCTYPE html>
<html>
<body>
<ul id="myList"><li>Coffee</li><li>Tea</li><li>Milk</li></ul>
<p>Click the button to remove all child nodes of ul.</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction() {
var list = document.getElementById("myList");
while (list.hasChildNodes()) {
list.removeChild(list.firstChild);
}
}
</script>
</body>
</html>