# sudheerj/javascript-interview-questions

List of 1000 JavaScript Interview Questions

Repository: https://github.com/sudheerj/javascript-interview-questions
Canonical: https://ross.abutalabs.com/products/javascript-interview-questions
Language: JavaScript
License Family: other
Topics: javascript, javascript-interview-questions, javascript-applications, vanilla-javascript, core-javascript, react, vuejs, angular
Last push: 2026-08-20T16:41:55+00:00

## Health v2 (maintenance only)
Score: 76/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 98, release rhythm 35, longevity 100
- inputs: {"age_days": 3230, "days_push": 13, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 27621, forks 7667 (observed 2026-08-28T04:11:47.854590+00:00)

## What it is
A curated collection of 1000 JavaScript interview questions with answers, maintained as a markdown-based reference repository. It covers core JavaScript concepts plus related frameworks like React, Vue, and Angular.

## Use cases
- prepare for a javascript interview
- study javascript concepts with question and answer format
- review javascript fundamentals before a job interview
- find common javascript interview questions and answers
- brush up on javascript for frontend developer interviews

## When to choose
- you want a large free question bank for JavaScript interview prep
- you prefer a quick-reference Q&A format over a full course
- you need coverage of both core JS and popular frameworks

## When to avoid
- you need structured interactive exercises or graded coding challenges
- you want a beginner tutorial rather than interview-style Q&A
- you need content with a formal license for redistribution

## Facets
- artifact type: learning-resource
- maturity: active
- function: documentation, developer-tools
- domain: programming-languages, tutorials, education, web-development
- platform: cross-platform
- tags: javascript, interview-preparation, q-and-a, frontend, study-guide

## Member repositories
- sudheerj/javascript-interview-questions (main) score 76

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:47.854590+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 2026-08-29T16:54:30.895838+00:00, confidence not recorded.
  - readme: https://github.com/sudheerj/javascript-interview-questions (fetched 2026-08-28T04:11:47.854590+00:00, sha b97b612714fa)
- Data as of 2026-08-30T08:39:29.467469+00:00.