In the end, do what is least distracting. The point is to get good answers. Tag editors should really only shoot for "good enough" to get the question before the right audience and to provide the necessary information to answer the question. Personally, I wouldn't remove one of the tags selected by the OP unless it clearly does not belong there.
As far as I know,
jQuery is written in
If the actual issue is a
jQuery issue, by all means, add the tag. However, many issues in usage of
jQuery are actually regular