denysdovhan/wtfjs resource
🤪 A list of funny and tricky JavaScript examples observed · 2026-08-28
Health v2 · maintenance only
63/100
- Activity 90
- Release rhythm 8
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 3337
- days_rel: n/a
- days_push: 61
- n_releases_24m: 0
Adoption not part of the score
37678 stars · 2680 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
A curated collection of funny and tricky JavaScript examples explaining the language's quirks and edge cases, published as a book-style manuscript. It is also installable via npm so it can be read from the command line.
Use cases
- learn weird JavaScript behaviors
- understand type coercion quirks in JS
- prepare for JavaScript interview questions
- read a JavaScript quirks handbook offline
- explain why [] equals ![] in JavaScript
- study JavaScript specification edge cases
When to choose
- you want to deeply understand JavaScript's tricky corners and coercion rules
- you prefer learning through entertaining, annotated examples
- you want a free, community-translated reference on JS quirks
When to avoid
- you need a structured beginner tutorial or formal language specification
- you want runnable exercises or a course rather than a reading list
- you need authoritative documentation rather than community notes
Facets
learning-resource · maturity active
documentation developer-tools programming-languages tutorials education cli cross-platform javascript handbook quirks language-specification npm-package nodejs
3 sources
- readme: https://github.com/denysdovhan/wtfjs · fetched 2026-08-28 · f26fb9c13481
- homepage: http://bit.ly/wtfjavascript · fetched 2026-08-29 · d6e060793ce5
- registry_npm: https://registry.npmjs.org/wtfjs · fetched 2026-08-29 · 8d13aeb6e803
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| denysdovhan/wtfjs | main | 63 |
For agents
markdown · JSON · MCP: product_card(name="denysdovhan/wtfjs")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem