Category: Core Concepts of React

Introduction Rendering logic is one of the most important aspects of React. It defines how data is displayed on the user interface and how efficiently React can update the DOM when changes occur. Unlike traditional JavaScript applications, React introduces a declarative way of rendering UI, where developers describe what the UI should look like, and…

Introduction React class components, before the introduction of functional components with hooks, were the primary way to build complex React applications. Class components have a unique feature called lifecycle methods that allow developers to run code at specific points in a component’s life. These lifecycle methods provide hooks into different stages of a component’s existence,…

Introduction to React Component Lifecycle React applications are built using components, and these components follow a defined journey from creation to destruction. This journey is called the component lifecycle. Understanding the lifecycle is crucial because it gives developers control over what happens at specific points in a component’s existence. By tapping into lifecycle methods (in…

Introduction State is one of the most fundamental concepts in React. It refers to the data that influences the output of a component. A change in the state re-renders the component, ensuring the user interface remains consistent with the current data. In React, there are two primary ways to create and manage state: class components…

Introduction State is one of the most important concepts in React. It lies at the heart of dynamic and interactive user interfaces. While props allow data to be passed into components, state is what enables components to manage and respond to changes over time. Without state, applications would remain static and unable to react to…

Introduction One of the most important concepts in React development is data flow between components. React applications are built with a component-based architecture where small, reusable components are combined to form a full user interface. In such an architecture, components often need to communicate with each other, share data, and stay in sync. In React,…

Introduction to Props in React Props, short for “properties,” are one of the most fundamental concepts in React. They allow data to be passed from one component to another, making components reusable, dynamic, and customizable. Without props, every component would be static, unable to adapt its behavior based on outside data. Understanding props is crucial…

Introduction React is a component-based library, and everything inside a React application is built using components. A component is essentially a reusable piece of UI, encapsulated with its logic, styling, and behavior. Over time, React has provided two main ways to create components: class components and functional components. For years, class components were the standard…

Introduction React offers two primary ways of defining components: functional components and class components. While functional components have become the modern standard after the introduction of Hooks in React 16.8, class components still hold significant importance. Many existing projects are built with class components, and understanding them is crucial for developers who may need to…

Introduction React, as one of the most widely used JavaScript libraries for building user interfaces, is based on the concept of components. Components are the fundamental building blocks of any React application. They allow developers to break the UI into smaller, reusable pieces that can be composed together to form complete applications. Among the two…