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The Selection.anchorOffset read-only property returns the number of characters that the selection's anchor is offset within the Selection.anchorNode.

This number is zero-based. If the selection begins with the first character in the Selection.anchorNode, 0 is returned.


number = sel.anchorOffset


Specification Status Comment
HTML Editing APIs
The definition of 'Selection.anchorOffset' in that specification.
Editor's Draft Initial definition
Selection API
The definition of 'Selection.anchorOffset' in that specification.
Working Draft Current

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? (Yes) (Yes) ? ? ?
Feature Android Edge Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support ? (Yes) (Yes) 1.0 ? ? ?

See also

Document Tags and Contributors

 Last updated by: abbycar,