Expounder – A small JavaScript library for more engaging tutorials
Expounder – A small JavaScript library for more engaging tutorials launched on March 31, 2016 with 134 votes, #277 of 4,409 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
Expounder is a lightweight JavaScript library that enables article writers to hide text behind clickable links, letting readers expand only the sections they need. Designed for educational content creators, it allows readers to skip familiar material and focus on new information. The library consists of minimal CSS and JavaScript code, addressing the need for selective content consumption in tutorials and instructional texts.
written from the facts on this page · September 2026
From the sources
Expounder is a very small JS/CSS library that lets article writers hide text behind a link, and allows readers to click that link to expand the text. It is born out of some frustration I had when reading tutorials and other books. I would frequently be familiar with one part of the source material, but have no way to skip it and only read the parts I was unfamiliar with. I thought that HTML was too powerful for this to not be a thing, so I spent a few minutes writing up a simple prototype implementation. Expounder is for authors of mainly educational articles/texts who want to save readers time and preserve their attention by letting the latter select what they want the article to elaborate…from skorokithakis.github.io
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