<html>
<body>
<ul id="myList"><li>Coffee</li><li>Tea</li></ul>
<p id="demo">Click the button to insert an item to the list</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction()
{
var newItem=document.createElement("LI")
var textnode=document.createTextNode("Water")
newItem.appendChild(textnode)
var list=document.getElementById("myList")
list.insertBefore(newItem,list.childNodes[0]);
}
</script>
<p><strong>Note:</strong><br>First create an LI node,<br> then create a Text node,<br> then append the Text node to the LI node.<br>Finally insert the LI node before the first child node in the list.</p>
</body>
</html>