NodeIterator.pointerBeforeReferenceNode

Experimental: 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
DOM Standard (DOM)
# dom-nodeiterator-pointerbeforereferencenode

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
pointerBeforeReferenceNode
1
17
3.5
No
Yes
3
1
18
4
Yes
3
1.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/NodeIterator/pointerBeforeReferenceNode