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<!DOCTYPE html>
<html>
<body><!-- This is a comment node! -->
​
<p>Click the button get the node names of 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.</p>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  var nodelist = document.body.childNodes;
  
  var txt = "";
  var i;
  for (i = 0; i < nodelist.length; i++) {
    txt = txt + nodelist[i].nodeName + "<br>";
  }
​
  document.getElementById("demo").innerHTML = txt;
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_nodelist_length_childloop by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:17:04 GMT -->
</html>
​
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