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Check the Browser compatibility table carefully before using this in production.

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
Selection API
The definition of 'Selection.anchorOffset' in that specification.
Working Draft Current

Browser compatibility

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See also