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<!DOCTYPE html>
<html>
<body><!-- This is a comment node! -->
<p>Click the button get info about the body element's child nodes.</p>
<button onclick="myFunction()">Try it</button>
<p><strong>Note:</strong> Whitespace inside elements is considered as text, and text
is considered as nodes. Comments are also considered as nodes.</p>
<p id="demo"></p>
<script>
function myFunction() {
var c = document.body.childNodes;
var txt = "";
var i;
for (i = 0; i < c.length; i++) {
txt = txt + c[i].nodeName + "<br>";
}
document.getElementById("demo").innerHTML = txt;
}
</script>
</body>
</html>
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