1. Web
  2. Web APIs
  3. TreeWalker
  4. root

TreeWalker: root property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

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
# dom-treewalker-root

Browser compatibility

See also

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