Tryit Editor v2.7

Edit This Code:

<!DOCTYPE html>
<html>
<body>

<h1 id="intro">My First Page</h1>

<p id="demo">Hello World!</p>

<script>
  var myText = document.getElementById("intro").childNodes[0].nodeValue;
  document.getElementById("demo").innerHTML = myText;
</script>

</body>
</html>