goldbergyoni/javascript-testing-best-practices

📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

# 👇 Why this guide can take your testing skills to the next level ## 📗 50+ best practices: Super-comprehensive and exhaustive This is a guide for JavaScript & Node.js reliability from A-Z. It summarizes and curates for you dozens of the best blog posts, books, and tools the market has to offer ## 🚢 Advanced: Goes 10,000 miles beyond the basics Hop into a journey that travels way beyond the basics into advanced topics like testing in production, mutation testing, property-based testing, and many other strategic & professional tools. Should you read every word in this guide your testing skills are likely to go way above the average ## 🌐 Full-stack: front, backend, CI, anything Start by understanding the ubiquitous testing practices that are the foundation for any application tier. Then, delve into your area of choice: frontend/UI, backend, CI, or maybe all of them? ### Written By Yoni Goldberg - A JavaScript & Node.js consultant ### 👨‍🏫 Exciting news: I've just released my super-comprehensive testing course after two years of recording and editing. [Less than 48 hours left for the 🎁 special launch deal](https://testjavascript.com/) ### Translations - read in your own language - 🇨🇳[Chinese](readme-zh-CN.md) - Courtesy of [Yves yao](https://github.com/yvesyao) - 🇰🇷[Korean](readme.kr.md) - Courtesy of [Rain Byun](https://github.com/ragubyun) - 🇵🇱[Polish](readme-pl.md) - Courtesy of [Michal Biesiada](https://github.com/mbiesiad) - 🇪🇸[Spanish](readme-es.md) - Courtesy of [Miguel G. Sanguino](https://github.com/sanguino) - 🇧🇷[Portuguese-BR](readme-pt-br.md) - Courtesy of [Iago Angelim Costa Cavalcante](https://github.com/iagocavalcante) , [Douglas Mariano Valero](https://github.com/DouglasMV) and [koooge](https://github.com/koooge) - 🇫🇷[French](read