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

Specification
DOM Standard (DOM)
# dom-treewalker-root

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