Firefox Tomorrow

web api instance property

TreeWalker: root property

View on MDN ↗

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

Value

A Node object.

Examples

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

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also