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
- The
TreeWalkerinterface.