A persistent Table of Contents

A recent discussion on Wikitech-l lead to the idea of having a persistent Table of Contents on Wikipedia articles. Timo had shared the Underscore.js and Asciidoctor docs as examples but I liked Bootstrap’s the best because it collapses headings and shows you where you are. I sat down to experiment and came up with this —

toc expanded wikipedia
toc expanded wikipedia

You can try it by adding the following code to your common.js

The table will show up on the side once you have scrolled past the first heading. There are a few bugs and I am not collapsing headings as I am not yet sure if its necessary for Wikipedia articles. Feedback and ideas are welcome!

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