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EngineeringAutomated Testing in React: Unit Testing with Jest and React Testing Library

Avnish Yadav – February 21, 2026 · 7 MIN READ

Automated Testing in React: Unit Testing with Jest and React Testing Library

Stop manually checking your localhost. Learn how to build robust, automated unit test suites for React applications using Jest and React Testing Library. We build a real-world component and test user interactions, async states, and accessibility.

DevelopmentReact Architecture: Mastering State and Props in Class vs. Functional Components

Avnish Yadav – February 21, 2026 · 7 MIN READ

React Architecture: Mastering State and Props in Class vs. Functional Components

A deep dive into the evolution of React state management. We build a dual-implementation counter system to analyze the architectural shift from Object-Oriented Class components to the functional composition of Hooks.

ReactGetting Started with React: Deconstructing JSX and Component Architecture

Avnish Yadav – February 21, 2026 · 6 MIN READ

Getting Started with React: Deconstructing JSX and Component Architecture

React isn't just a library; it's a mental model shift. We break down JSX, functional components, and the imperative-to-declarative transition for developers building modern interfaces.