Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Interactive Course on JavaScript Closures launched in 2021; newer entries below may have overtaken it.

1. 1IJ
   Interactive JavaScript tutorial on closures and continuations▲6

   2011 · nathansjslessons.appspot.com · its alternatives →

2. 2
   Eloquent Javascript▲20

   A modern introduction to Javascript

   2014 · eloquentjavascript.net · its alternatives →

3. 3
   JavaScript Air: For the Beginners▲62

   Stories and wisdom from the panel, for beginner programmers

   2016 · javascriptair.com · its alternatives →

4. 4LJ
   Learn Javascript by interactive coding▲5

   2012 · learnjs.info · its alternatives →

5. 5
   This Developing Story - 33: Step by step refactoring▲54

   A review of an interview on refactoring JavaScript Framework

   2015 · developingstory.netlify.com · its alternatives →

6. 6
   NotebookJS▲109

   Scientific computation for JavaScript

   2016 · datazar.com · its alternatives →

7. 7
   Remarkable▲82

   a JavaScript Markdown and Commonmark parser

   2014 · github.com · its alternatives →

8. 8
   Purely Functional Data Structures▲61

   A guide to functional programming

   2016 · amazon.com · its alternatives →

9. 9OP
   Object Playground - The definitive guide to object-oriented JavaScript▲5

   2013 · objectplayground.com · its alternatives →

10. 10PM
    Practical Modern JavaScript▲7

    2017 · ponyfoo.com · its alternatives →

11. 11PO
    Picket – Object orientated JavaScript - Type hinting, interfaces, much more▲5

    2015 · picketjs.com · its alternatives →

12. 12
    Code Podcast 3: Concurrency – Event Loop & Coroutines▲54

    Concurrency in UIKits, browsers and web servers

    2016 · soundcloud.com · its alternatives →

13. 13
    JavaScript and JQuery▲6

    Interactive Front-End Web Development

    2016 · amazon.com · its alternatives →

14. 14
    Nullstack – A framework for full stack JavaScript components▲7

    2023 · nullstack.app · its alternatives →

15. 15JM
    Jindo – minimalist reactive backend for JavaScript applications▲7

    2016 · jindo.io · its alternatives →

16. 16RE
    Regular Expressions in JavaScript – Interactive Course▲6

    2021 · slip.so · its alternatives →

17. 17CA
    Clause: an expressive JavaScript contract system, inspired by clojure.spec▲8

    2017 · clause.js.org · its alternatives →

18. 18
    JsonTree, a tool for turning JSON data into a collapsible html tree▲9

    A lightweight vanilla Javascript micro-library for making collapsible trees with JSON - MaxLeiter/jsonTree

    2016 · github.com · its alternatives →

19. 19AP
    AllJS – Popular JavaScript libraries ready for tinkering▲6

    2015 · alljs.net · its alternatives →

20. 20
    Practical Modern JavaScript▲1

    Dive into ES6 and the Future of JavaScript

    2017 · amazon.com · its alternatives →

21. 21
    Lambda Lessons▲6

    Pattern-matching, first-class functions, and more in Haskell

    2014 · stevekrouse.github.io · its alternatives →

22. 22
    Polished js▲6

    A lightweight toolset for writing styles in JavaScript

    2017 · polished.js.org · its alternatives →

23. 23
    Monkberry▲6

    A JavaScript library for building web user interfaces

    2016 · monkberry.js.org · its alternatives →

24. 24TI
    TryCode.io: A Simple, Interactive Coding Tutorial for Beginners▲9

    2015 · trycode.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →