revision:
The property returns the owner document of a node, as a Document object. In HTML, the HTML document itself is always the ownerDocument of an element.
Syntax:
node.ownerDocument : the owner document of the node, as a Document object
property value:
none :
example
Click the button get the node type of the owner document of this <p> element.
<div>
<p id="par9">Click the button get the node type of the owner document of this <p> element.</p>
<button onclick="firstFunction()">Try it</button>
<p id="prop"></p>
</div>
<script>
function firstFunction() {
var x= document.getElementById("par").ownerDocument.nodeType;
document.getElementById("prop").innerHTML = "nodeType = " + x;
}
</script>