# ruanyf/es6tutorial

《ECMAScript 6入门》是一本开源的 JavaScript 语言教程，全面介绍 ECMAScript 6 新增的语法特性。

Repository: https://github.com/ruanyf/es6tutorial
Canonical: https://ross.abutalabs.com/products/es6tutorial
Homepage: http://es6.ruanyifeng.com/
Language: JavaScript
License: NOASSERTION
License Family: other
Last push: 2026-07-07T16:26:21+00:00

## Health v2 (maintenance only)
Score: 73/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 91, release rhythm 35, longevity 100
- inputs: {"age_days": 4518, "days_push": 57, "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 21433, forks 8849 (observed 2026-08-28T04:11:31.723524+00:00)

## What it is
An open-source Chinese-language tutorial book covering all ECMAScript 6 (ES2015) syntax features, with extensive examples and reference material. It is published online and also available in print as 'ES6 标准入门'.

## Use cases
- learn ES6 syntax features
- look up new JavaScript syntax as a reference
- understand differences between ES5 and ES6
- study modern JavaScript for free
- find example code for ES6 features

## When to choose
- you already know ES5 and want to learn ES6 additions
- you need a free, well-structured ES6 reference in Chinese
- you want concise examples for specific ES6 syntax points

## When to avoid
- you are a complete JavaScript beginner needing fundamentals first
- you need tutorials in English
- you need coverage of features introduced after the book's scope

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation
- domain: tutorials, programming-languages, web-development, education
- platform: -
- tags: javascript, es6, ecmascript, open-source-book, chinese-language, web-server

## Member repositories
- ruanyf/es6tutorial (main) score 73

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:31.723524+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 2026-08-29T16:58:06.533729+00:00, confidence not recorded.
  - readme: https://github.com/ruanyf/es6tutorial (fetched 2026-08-28T04:11:31.723524+00:00, sha 09ca60537d1f)
  - homepage: http://es6.ruanyifeng.com/ (fetched 2026-08-29T07:57:04.463345+00:00, sha 7d8c103286e2)
- Data as of 2026-08-30T08:39:29.467469+00:00.