This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The Range.comparePoint()
method returns -1
, 0
, or 1
depending on whether the referenceNode
is before, the same as, or after the Range
.
If the reference node is a Node
of type Text
, Comment
, or CDATASection
, then offset is the number of characters from the start of reference node. For other Node
types, offset is the number of child nodes between the start of the reference node.
Syntax
returnValue = range.comparePoint( referenceNode, offset )
Parameters
- referenceNode
- The
Node
to compare with theRange
. - offset
- An integer greater than or equal to zero representing the offset inside the referenceNode.
Example
range = document.createRange(); range.selectNode(document.getElementsByTagName("div").item(0)); returnValue = range.comparePoint(document.getElementsByTagName("p").item(0),1);
Specification
Specification | Status | Comment |
---|---|---|
DOM The definition of 'Range.comparePoint()' in that specification. |
Living Standard | Initial specification. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | No support | 15.0 | ? |
Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | No support | 15.0 | ? |