The root property for NodeIterator returns the Node that is the root on which the NodeIterator traverses. This is a read-only property.
Syntax:
root = nodeIterator.root;
Return Value: Returns the root Node.
Example: In this example, we will create a node iterator and will get the root node using this property.
HTML
<!DOCTYPE HTML> <html> <body style="text-align:center;"> <h1 style="color:green;"> neveropen </h1> <p> HTML | DOM NodeIterator root property </p> <button onclick="Geeks()"> Click Here </button> <p id="a"></p> <script> var a = document.getElementById("a"); function Geeks() { const nodeIterator = document.createNodeIterator( document.body, NodeFilter.SHOW_ELEMENT, { acceptNode: function (node) { return NodeFilter.FILTER_ACCEPT; } }, false ); console.log(nodeIterator.root); } </script> </body> </html> |
Output:
-
Before Clicking the Button:
-
After Clicking the Button: In the console, the root node can be seen
Supported Browsers:
- Google Chrome
- Edge
- Firefox
- Safari
- Opera
- Internet Explorer
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