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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 Status Comment
DOM
The definition of 'TreeWalker.root' in that specification.
Living Standard No change from Document Object Model (DOM) Level 2 Traversal and Range Specification
Document Object Model (DOM) Level 2 Traversal and Range Specification
The definition of 'TreeWalker.root' in that specification.
Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 1.0 2.0 (1.8.1) 9.0 9.0 3.0
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) 1.0 (1.8.1) (Yes) 9.0 3.0

See also

Document Tags and Contributors

 Contributors to this page: teoli, kollishivagangadhar, vishu_gawli, Sheppy, Warhammerkid
 Last updated by: teoli,