Category: React Hooks
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Optimizing Performance
Introduction React is designed to be fast, but as applications grow in size and complexity, unnecessary re-renders and expensive calculations can affect performance. Functional components, while elegant, can sometimes rerender more often than necessary. React provides two hooks—useMemo and useCallback—to help optimize performance by memoizing values and functions. These hooks prevent components from recomputing values…
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UseRef in Practice
Introduction React provides a declarative way to build user interfaces. State and props are the core tools for handling dynamic data, but sometimes you need to interact directly with DOM elements or persist values across renders without triggering re-renders. This is where the useRef hook comes in. The useRef hook is a versatile tool in…
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Deep Dive into useReducer
Introduction In React, managing component state is crucial for building dynamic and interactive applications. While the useState hook is sufficient for simple state management, more complex state logic often requires structured handling of state transitions. This is where the useReducer hook comes in. useReducer is ideal for managing state that involves multiple sub-values, complex updates,…
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Advanced Hooks Overview
Introduction React Hooks revolutionized functional components by enabling state management and side effects without using classes. Beyond the basic hooks like useState and useEffect, React provides several advanced hooks that allow developers to handle complex state, optimize performance, and manage DOM references. In this post, we will explore four advanced hooks in depth: Understanding these…
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Practical useContext Examples
Introduction The Context API in React is a powerful feature that allows developers to share state and logic across multiple components without prop drilling. Combined with the useContext hook, it provides a clean, efficient way to access global data in functional components. The Context API is especially useful for scenarios like: In this article, we…
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UseContext for Global Data
Introduction React is a component-based library that allows developers to build dynamic user interfaces by managing state and passing data between components. While props are the primary way to pass data from parent to child components, managing state across deeply nested components can become cumbersome. This problem, known as prop drilling, occurs when data must…
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Combining useState and useEffect
Introduction In React, building dynamic applications often requires both state management and side effects. The useState hook provides the ability to manage state in functional components, while useEffect allows you to handle side effects like fetching data, subscribing to events, or interacting with browser APIs. Combining useState and useEffect enables developers to create dynamic, reactive…
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Advanced useEffect Patterns in React
Introduction The useEffect hook is one of the most important hooks in React. It allows developers to handle side effects such as fetching data, subscribing to events, or manipulating the DOM in functional components. While basic usage of useEffect is straightforward, advanced scenarios require careful handling to avoid performance issues, infinite loops, or redundant renders.…
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Introduction to useEffect
Introduction useEffect is one of the most important hooks in React. It allows developers to perform side effects in functional components. Side effects are operations that can affect something outside the component itself, such as fetching data from an API, manipulating the DOM, setting up subscriptions, or handling timers. Before hooks, React developers relied on…
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Practical useState Examples
Introduction React is a JavaScript library for building interactive user interfaces. One of the key features that makes React powerful is its state management capability. State allows components to store and manage dynamic data that affects the rendering of the UI. In React functional components, the useState hook is the primary way to add and…