cloneNode()

Question

Can anyone explain what does cloneNode() do?
An example would be helpful

Answer 1

Example:
<ul id="original">
<li>Red</li>
<li>Green</li>
<li>Blue</li>
</ul>
<ul id="forClone"></ul>
<script>
var getOriginal = document.getElementById("original");
var setClone = document.getElementById("forClone");
var cloneOriginal = getOriginal.cloneNode(true);
setClone.appendChild(cloneOriginal);
</script>

Before:
• Red
• Green
• Blue

After :
• Red
• Green
• Blue

• Red
• Green
• Blue