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.

TheNodeIterator.pointerBeforeReferenceNode read-onlyproperty returns a boolean flag that indicates whether theNodeFilter is anchored before (if this value istrue) orafter (if this value isfalse) the anchor node indicated by theNodeIterator.referenceNode property.

Value

A boolean.

Examples

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