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NodeIterator: pointerBeforeReferenceNode property

Baseline

Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.

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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 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

Specification
DOM # dom-nodeiterator-pointerbeforereferencenode

Browser compatibility

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This page was last modified on Aug 4, 2023 by MDN contributors.

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