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NodeIterator.pointerBeforeReferenceNode

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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.

Syntax

flag = nodeIterator.pointerBeforeReferenceNode;

Example

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

Specifications

Specification Status Comment
DOM
The definition of 'NodeIterator.pointerBeforeReferenceNode' in that specification.
Living Standard Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 1 17 3.5 No Yes 3
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes 17 4 Yes 3 Yes

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/NodeIterator/pointerBeforeReferenceNode