JS - General HTML DOM

Question

// Create a <li> node
var newElem = document.createElement("LI");

// Create a text node
var textnode = document.createTextNode("Water"); 

// Append the text to <li>
newElem.appendChild(textnode);                    

// Get the <ul> element to insert a new node
var list = document.getElementById("myList");  

// Insert <li> before the first child of <ul>
list.insertBefore(newElem, list.childNodes[0]);