# ruanyf/jstutorial

Javascript tutorial book

Repository: https://github.com/ruanyf/jstutorial
Canonical: https://ross.abutalabs.com/products/jstutorial
Homepage: http://javascript.ruanyifeng.com
Language: CSS
License: NOASSERTION
License Family: other
Last push: 2023-04-01T08:50:14+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 5033, "days_push": 1250, "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 5370, forks 1274 (observed 2026-08-28T04:09:16.148402+00:00)

## What it is
An open-source JavaScript tutorial book written in Chinese by Ruan Yifeng, covering syntax, the standard library, DOM, and browser APIs. This repository is deprecated and no longer maintained; the tutorial has moved to wangdoc.com/javascript.

## Use cases
- learn javascript from scratch in chinese
- javascript reference guide for beginners
- understand dom and browser events
- learn es5 javascript syntax and standard library
- study async javascript and promises
- free javascript textbook

## When to choose
- you prefer learning JavaScript in Chinese with thorough explanations
- you need a free, structured reference for core JavaScript and browser APIs

## When to avoid
- you need up-to-date coverage of modern JavaScript (ES6+)
- you want a maintained resource - use the successor at wangdoc.com/javascript instead
- you need tutorials in English

## Facets
- artifact type: learning-resource
- maturity: abandoned
- function: documentation
- domain: tutorials, web-development, education
- platform: -
- tags: javascript, chinese-language, tutorial-book, deprecated, web-server

## Member repositories
- ruanyf/jstutorial (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:16.148402+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 2026-08-29T17:58:42.761101+00:00, confidence not recorded.
  - readme: https://github.com/ruanyf/jstutorial (fetched 2026-08-28T04:09:16.148402+00:00, sha 1e065a32ee1c)
  - homepage: http://javascript.ruanyifeng.com (fetched 2026-08-29T08:52:51.286675+00:00, sha 45356241804e)
- Data as of 2026-08-30T08:39:29.467469+00:00.