TreeWalker.root

The TreeWalker.root read-only property returns the node that is the root of what the TreeWalker traverses.

Syntax

root = TreeWalker.root;

Example

var treeWalker = document.createTreeWalker(
    document.body,
    NodeFilter.SHOW_ELEMENT,
    { acceptNode: function(node) { return NodeFilter.FILTER_ACCEPT; } },
    false
);
root = treeWalker.root; // document.body in this case

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
root
1
12
4
9
9
3
3
18
4
10.1
3
1.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/TreeWalker/root