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<!DOCTYPE html>
<html>
<body>
<p>Click the button to check if the ul element with id="myList" is the same as the document's first ul element.</p>
<button onclick="myFunction()">Try it</button>
<ul id="myList"><li>Coffee</li><li>Tea</li></ul>
<p><strong>Note:</strong> Firefox stopped supported this method as of version 10, Instead, use === to compare if two nodes are the same.</p>
<p><strong>Note:</strong> Internet Explorer 8 and earlier does not support the isSameNode() method.</p>
<p id="demo"></p>
<script>
function myFunction() {
var item1 = document.getElementById("myList");
var item2 = document.getElementsByTagName("UL")[0];
var x = item1.isSameNode(item2);
window.alert(x);
}
</script>
</body>
</html>
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