Open In App

HTML DOM NodeIterator root Property

Improve
Improve
Like Article
Like
Save
Share
Report

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;">
        GeeksforGeeks
    </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


Last Updated : 27 Jul, 2020
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads