<!DOCTYPE html>
<html lang="en-US">
<body>
<p>Open your console (Press F12) and Click on the button</p>
<button onclick="myFunction()">Click Me</button>
<script>
var y = document.createElement("p");
function myFunction(){
y.appendChild(document.createTextNode("Part 1 "));
y.appendChild(document.createTextNode("Part 2 "));
document.body.appendChild(y);
console.log("Before Normalize");
console.log(y.childNodes.length);
y.normalize();
console.log("After Normalize");
console.log(y.childNodes.length);
}
</script> </body>
</html>