Отправлено: 17.01.25 07:53. Заголовок: What Are the Top React.js Interview Questions and Answers?

React.js is one of the most sought-after JavaScript libraries for building dynamic and responsive user interfaces. As the demand for React.js professionals grows, being well-prepared for interviews is crucial. Here are some of the top React.js interview questions and answers to help you ace your next interview.
1. What is React.js?
React.js is a JavaScript library developed by Facebook for building user interfaces, particularly for single-page applications. It allows developers to create reusable UI components and manage the view layer of an application efficiently. A well-structured react js training in Pune covers fundamental to advanced concepts,
2. What are the features of React.js?
JSX: A syntax extension that combines HTML with JavaScript.
Virtual DOM: Improves performance by minimizing direct manipulation of the real DOM.
Component-Based Architecture: Encourages reusable and maintainable code.
Unidirectional Data Flow: Ensures better data control and debugging.