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 compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
pointerBeforeReferenceNode
Experimental
Chrome Full support 1Edge Full support 17Firefox Full support 3.5IE No support NoOpera Full support YesSafari Full support 3WebView Android Full support YesChrome Android Full support YesFirefox Android Full support 4Opera Android Full support YesSafari iOS Full support 3Samsung Internet Android Full support Yes

Legend

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

See also