TreeWalker: root property

The TreeWalker.root read-only property returns the root Node that the TreeWalker traverses.

Value

A Node object.

Examples

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

Specifications

Specification
DOM Standard
# dom-treewalker-root

Browser compatibility

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

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