ReactJS

ReactJS Dev Tools

React DevTools helps developers inspect the component tree, props, state, hooks, and rendering behavior. It is one of the most important tools for diagnosing React applications. Components panel

ReactJS

State in ReactJS

useRef and useMemo solve very different problems. useRef provides a persistent mutable reference whose changes do not normally trigger a render, while useMemo caches the result of a calculation between renders.

ReactJS

ReactJS Props

useState is a React Hook used to add state to a function component. State represents information that can change over time and whose changes may require the component UI to update.

ReactJS

ReactJS Project Structure

Components and JSX are two of the most important building blocks of React. Components provide the structure and reuse model, while JSX provides a readable way to describe the UI that a component should render.