# lydiahallie/javascript-questions

A long list of (advanced) JavaScript questions, and their explanations :sparkles:

Repository: https://github.com/lydiahallie/javascript-questions
Canonical: https://ross.abutalabs.com/products/javascript-questions
License: MIT
License Family: permissive
Last push: 2024-08-04T16:08:40+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 2639, "days_push": 759, "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 65328, forks 9195 (observed 2026-08-28T04:12:19.285921+00:00)

## What it is
A popular collection of JavaScript quiz questions ranging from basic to advanced, each with detailed explanations hidden in collapsible answer sections. It is widely used to test JavaScript knowledge and prepare for coding interviews.

## Use cases
- prepare for a javascript coding interview
- test my javascript knowledge with quiz questions
- learn tricky javascript concepts like hoisting and closures
- refresh javascript fundamentals before an interview
- practice advanced javascript questions with explanations

## When to choose
- you want interview-style JavaScript questions with clear explanations
- you prefer self-paced quizzing over video courses
- you want a free, community-translated study resource

## When to avoid
- you need coverage of the newest JavaScript language features, since questions date from 2019
- you want an interactive coding environment rather than static questions
- you need a structured curriculum with exercises and projects

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, developer-tools
- domain: programming-languages, tutorials, education, web-development
- platform: cross-platform
- tags: javascript, quiz, interview-preparation, interview-questions, learning, ecmascript, self-assessment

## Member repositories
- lydiahallie/javascript-questions (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:12:19.285921+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 2026-08-29T16:17:24.308769+00:00, confidence not recorded.
  - readme: https://github.com/lydiahallie/javascript-questions (fetched 2026-08-28T04:12:19.285921+00:00, sha 0101b7dd651b)
- Data as of 2026-08-30T08:39:29.467469+00:00.