nao-sabemos-js/You-Dont-Know-JS

📗📒 (PT-Br translation) JS Book Series.

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nao-sabemos-js/You-Dont-Know-JS has 5.5k+ stars and 850+ forks on GitHub, is written in JavaScript, and was last pushed on Jun 15, 2026. Data as of . Signed-in members get hourly updates — create a free account.

Summary Information

Updated 34 minutes ago
Added to GitGenius on September 11th, 2026
Created on December 16th, 2015
Open Issues & Pull Requests: 0 (+0)
GitHub issues: Enabled
Number of forks: 854
Total Stargazers: 5,852 (+0)
Total Subscribers: 240 (+0)

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Median issue/PR response: 120.8 days
Mean response time: 445.8 days
90th percentile: 1122.5 days
Tracked items: 21

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Top labels

  • Em Progresso (12)
  • Async & Performance (Async & Performance) (7)
  • ES6 & Beyond (ES6 e Além) (2)
  • Preciso de ajuda (2)
  • Types & Grammar (Tipos e Gramática) (2)
  • this & Object Prototypes (this & Prot. de Objetos) (2)
  • Bom pra começar (1)
  • Disponível para tradução (1)

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Detailed Description

You Don't Know JS is a Portuguese-language translation of a comprehensive book series that explores the core mechanisms of JavaScript.

The project addresses the need for in-depth JavaScript education in Portuguese-speaking communities. It provides a complete translation of the original English book series, which covers fundamental concepts including scope and closures, the this keyword and object prototypes, types and grammar, asynchronous programming and performance, and ES6 and beyond features. The translation is authorized by the original author and maintained as a volunteer effort, with content freely available on GitHub under the restriction that it cannot be redistributed or sold outside this repository.

This resource suits developers learning JavaScript who are more comfortable reading in Portuguese, or Portuguese-speaking communities seeking authoritative educational material on the language. The series progresses from foundational concepts through advanced topics, making it appropriate for learners at various levels. The README emphasizes that while grammatical improvements are welcome, the primary focus remains on accurate technical translation rather than perfect prose.

Issues and pull requests in the repository often wait weeks or longer before receiving an initial response.