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arkency/reactjs_koans resource

Learn basics of React.js making the tests pass observed · 2026-08-28

github.com/arkency/reactjs_koans · JavaScript · MIT (permissive) observed · 2026-08-28

Health v2 · maintenance only

23/100

  • Activity 0
  • Release rhythm 8
  • Longevity 100
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 4142
  • days_rel: n/a
  • days_push: 786
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

3214 stars · 453 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

A set of test-driven exercises (koans) for learning React.js from scratch, where learners make failing tests pass by editing exercise files. It uses JavaScript/ES2015 and includes a browser-based live view.

Use cases

  • learn react from scratch
  • practice react with exercises
  • learn react by making tests pass
  • react koans tutorial
  • hands-on react learning for javascript developers

When to choose

  • you already know JavaScript and want to learn React basics
  • you prefer test-driven, exercise-based learning
  • you want a free, self-paced React introduction

When to avoid

  • you need up-to-date React features like hooks or modern tooling
  • you want a complete reference or production starter
  • you don't know JavaScript yet

Facets

learning-resource · maturity maintenance

testing frontend-framework frontend education web-development browser react koans tdd exercises learning-by-doing nodejs javascript

2 sources

Member repositories

RepositoryRoleHealth v2
arkency/reactjs_koansmain23

For agents

markdown · JSON · MCP: product_card(name="arkency/reactjs_koans")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem