What is useReducer? useReducer is a hook that is designed for handling more complex state management scenarios. It’s especially useful when state changes involve multiple sub-values or when state transitions depend on various actions. The useReducer hook works by taking a reducer function and an initial state as arguments, and it returns the current state… Continue reading useReducer Hook in React
Tag: react hooks
What is the useCallback Hook in React?
useCallback is a React hook that helps you optimize your code by preventing unnecessary re-creations of functions. In simple terms: When you define a function inside a React component, that function gets recreated every time the component re-renders. useCallback lets you tell React, “Only recreate this function if certain values change.” This can save performance… Continue reading What is the useCallback Hook in React?
Routing in React
Routing in React allows you to navigate between different views or pages in a single-page application (SPA) without the need for page reloads. There are several libraries available for handling routing in React, with React Router being the most popular choice. Below, I’ll outline how to set up routing using React Router: 1. Install React… Continue reading Routing in React
Styling and Optimization in React
Styling and optimization are important aspects of building React applications to ensure good performance and a pleasant user experience. Here are some tips and techniques for styling and optimizing React applications: Styling: 1. CSS-in-JS Libraries: – Use CSS-in-JS libraries like styled-components, Emotion, or CSS modules for writing component-scoped styles. – These libraries offer a more… Continue reading Styling and Optimization in React
Data handling in React
Data handling in React refers to the management and manipulation of data within React components. This includes tasks such as fetching data from APIs, storing data locally, updating data in response to user interactions, and passing data between components. Here are some common techniques for data handling in React: 1. State Management: – React components… Continue reading Data handling in React
State management in React
State management in React refers to the management of data within a React application. React components can have local state managed by the component itself or utilize global state management solutions to share state between multiple components. Here are some common approaches to state management in React: 1. Component State (useState hook): – React provides… Continue reading State management in React
useEffect Hook in React: Managing Side Effects
What is useEffect? useEffect is a React hook that provides a way to perform side effects in functional components. Side effects are operations that occur outside the regular rendering process and often involve tasks like data fetching, subscriptions, or manually changing the DOM. Use Cases of useEffect useEffect(() => { const fetchData = async… Continue reading useEffect Hook in React: Managing Side Effects
Understanding State and Props in React Components
What is State? In React, state is a special object that represents the current condition or data within a component. It allows components to keep track of information that may change over time. What are Props? Props (short for properties) are a way to pass data from a parent component to its child components. They… Continue reading Understanding State and Props in React Components