<html>
<body>
<p id="myP">Click the button get the node type of the owner document of this <p> element.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x= document.getElementById("myP").ownerDocument.nodeType;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>