NodeIterator: pointerBeforeReferenceNode property

{{APIRef("DOM")}}

The NodeIterator.pointerBeforeReferenceNode read-only property returns a boolean flag that indicates whether the NodeFilter is anchored before (if this value is true) or after (if this value is false) the anchor node indicated by the {{domxref("NodeIterator.referenceNode")}} property.

Value

A boolean.

Examples

const nodeIterator = document.createNodeIterator(
  document.body,
  NodeFilter.SHOW_ELEMENT,
  {
    acceptNode(node) {
      return NodeFilter.FILTER_ACCEPT;
    },
  },
);
flag = nodeIterator.pointerBeforeReferenceNode;

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• The interface it belongs to: {{domxref("NodeIterator")}}