[dredmorbius]

Speaking as someone who's generally strongly critical of JS abuse and overuse, Wikipedia with JS enabled offers a number of useful positives:

- Dynamic tables which can be sorted by column. (This is a feature I'd love to see baked in to HTML browsers generally.)

- The recent site redesign offering either visible floating or collapsed page navigation.

- Previews of both articles (Wikipedia links) and citations, such that these can be viewed without having to click through to a new page, or scroll the current article.

There are a number of others, I'm sure, but these three alone are quite handy.