Author: Bhoomika Sahu

Life’s too short to argue, so just say I only know React.js and move on… Just kidding! 😅Well this is actually a key interview question, so let’s break down why React.js is often the best choice for web development:🔹 Component-Based Architecture: React lets you build reusable, modular components, making your code more maintainable and scalable.🔹 Virtual DOM: It enhances performance by updating only the parts of the DOM that have changed, ensuring a smooth user experience.🔹 Rich Ecosystem and Community: With a vast array of libraries, tools, and a strong community, React makes development easier. Integrations like Redux and React…

In React, class-based components have a lifecycle with specific methods that are called at different stages of the component’s existence. These methods can be categorized into three main phases: Mounting, Updating, and Unmounting.🔄 Mounting Phaseconstructor: Initializes the component and sets up the initial state and props.render: Describes what the UI should look like.componentDidMount: Runs after the component is rendered, perfect for initializing network requests or integrating with other libraries.🔥 Updating PhaseshouldComponentUpdate: This method allows you to control whether the component should re-render or not. It should return true or false. This helps to optimize performance by preventing unnecessary updates.render: Re-renders…