# sadanandpai/javascript-code-challenges

A collection of JavaScript modern interview code challenges for beginners to experts

Repository: https://github.com/sadanandpai/javascript-code-challenges
Canonical: https://ross.abutalabs.com/products/javascript-code-challenges
Homepage: https://jscodechallenges.vercel.app
Language: MDX
License: MIT
License Family: permissive
Topics: javascript, frontend, frontend-framework, frontend-development, frontend-challenge, web, interview-questions, javascript-interview-questions, javascript-interview, javascript-modern-interview, challenges, interviewers, coding-interview, interview-preparation, javascript-challenges, hacktoberfest
Last push: 2026-04-01T06:25:55+00:00

## Health v2 (maintenance only)
Score: 66/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 75, release rhythm 35, longevity 100
- inputs: {"age_days": 2112, "days_push": 154, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 4460, forks 854 (observed 2026-08-28T04:08:50.686523+00:00)

## What it is
A curated collection of modern JavaScript interview code challenges ranging from beginner to expert level, published as a browsable web site. It serves interviewees preparing for coding interviews and interviewers looking for question material.

## Use cases
- prepare for a javascript coding interview
- practice javascript coding challenges
- find interview questions to ask candidates
- test my javascript knowledge
- learn modern javascript concepts through exercises
- practice async and DOM challenges

## When to choose
- you are preparing for a frontend or JavaScript interview
- you want hands-on coding practice organized by topic
- you are an interviewer seeking ready-made challenge questions

## When to avoid
- you need a full structured course with lectures or videos
- you are learning JavaScript from scratch with no basics
- you need challenges for languages other than JavaScript

## Facets
- artifact type: learning-resource
- maturity: active
- function: developer-tools, documentation
- domain: web-development, frontend, education, tutorials
- platform: -
- tags: interview-preparation, coding-challenges, javascript, practice-exercises, mdx, web

## Member repositories
- sadanandpai/javascript-code-challenges (main) score 66

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:50.686523+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T18:20:42.799858+00:00, confidence not recorded.
  - readme: https://github.com/sadanandpai/javascript-code-challenges (fetched 2026-08-28T04:08:50.686523+00:00, sha b2d0eb4e7cd0)
  - homepage: https://jscodechallenges.vercel.app (fetched 2026-08-29T09:07:47.430412+00:00, sha f568d7b64874)
- Data as of 2026-08-30T08:39:29.467469+00:00.