Callback Heaven
Discover a powerful pattern in JavaScript callbacks that rivals Observables and Promises. Learn about Callbags and their potential to simplify asynchronous programming and reactive streams.
Tales from the QA Crypt
Explore QA horror stories and learn how Test-Driven Development can prevent defects, speed up development, and improve JavaScript projects. Discover tools for automated testing and team integration.
Embrace Reactive Programming in React and Vue with RxJS
Explore reactive programming with RxJS in React and Vue. Learn to combine powerful observables with component libraries for efficient, scalable, and responsive web applications.
Evolution of GitLab Frontend
Explore GitLab's frontend evolution, from CoffeeScript to ES6, jQuery to VueJS, and Rails Asset Pipeline to Webpack, while maintaining monthly releases and improving development practices.
Securing the DOM from the Bottom Up
Comprehensive approach to mitigating XSS vulnerabilities, integrating tools and techniques for easier secure coding. Insights from Google's security team on achieving high-level safety in web applications.
Testing Tools and Their Friends
Discover essential tools that enhance unit, integration, and end-to-end testing, focusing on Cypress.io and complementary solutions for improved code quality and efficiency.
Webpack 5 - Why Breaking Changes? What is Next?
Explore the reasoning behind Webpack 5's breaking changes and future developments. Gain insights into the benefits and necessity of these updates for improved performance and functionality.
Ready, Steady, Crash!
Explore load testing techniques, tools, and best practices for identifying performance issues in applications, with insights from Financial Times' approach.
The Working Architecture of Node.js Applications
Explore architectural patterns for large Node.js applications, addressing common misconceptions and discussing GraphQL's impact on design. Learn to build scalable, robust systems beyond basic tutorials.
Reinventing RxJS
Explore the core components of RxJS by rebuilding it from scratch. Learn about Observables, Subscriptions, Operators, and Schedulers in this deep dive into reactive programming concepts.
The Evolution of Browser Automation
Explore the past, present, and future of browser automation, examining challenges for conventional and new frameworks, and experimenting with innovative testing capabilities for modern web features.
Beyond API Mocking
Explore advanced API mocking techniques to enhance testing integrity, reuse mocks across levels, and improve development efficiency. Learn a unified approach for more confident JavaScript application testing.
Your Tests Lack Vision - Adding Eyes to Your Automation Framework
Learn to enhance your automation framework with visual validation techniques, exploring their implementation, benefits, and limitations for more comprehensive testing.
Play it Right with CodeceptJS - An Introduction to Supercharged End-to-End Testing
Discover CodeceptJS for efficient end-to-end testing with Playwright integration. Learn BDD-style framework features, PageObjects, DataObjects, and TypeScript support for simple yet effective testing.
Writing Testable Serverless Apps Using Hexagonal Architecture
Explore hexagonal architecture for building testable serverless applications, addressing challenges like cloud vendor lock-in and effective testing strategies in serverless environments.
Deploy with Speed and Confidence Using Contract Testing and Pact
Learn how contract testing and Pact can revolutionize your deployment process, enabling faster and more reliable releases for complex distributed applications without relying on traditional integrated environments.
Detox - The Unobtainable Test Stability - Or Is It?
Explore Wix's journey with Detox for stable mobile app testing. Learn configuration management, flakiness mitigation, and best practices developed over years of CI implementation.
Don't Make These Testing Mistakes
Discover common pitfalls in Cypress testing and learn effective strategies to avoid them. Gain insights on writing robust E2E tests that enhance your JavaScript development process.
Examining Observability in Node.js
Explore tools and techniques for observing Node.js applications to enhance performance, efficiency, and reliability. Learn how observability can accelerate development and improve code quality.
Testing in Production
Strategies for effective testing in production, including feature flagging, canary releases, and CI/CD pipelines. Learn to mitigate risks and improve accuracy for better user experiences.
Infra vs Apps - Where are My Pipelines
Explore strategies for organizing and optimizing CI/CD pipelines in complex environments, from single apps to distributed systems. Learn criteria for effective pipeline management across various team structures.