TreeWalker.root

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

Syntax

JavaScript

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root = TreeWalker.root;

Example

JavaScript

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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.

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

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/treewalker/root

API DOM Property TreeWalker