250+ React Js MCQ With Online Practice Test
React.js, often simply called React, is a highly popular JavaScript library for building user interfaces. Developed and maintained by Facebook, React is renowned for its component-based architecture and the ability to efficiently update and render components when data changes. It is a foundational tool for developing modern web and mobile applications, allowing developers to create dynamic and interactive user interfaces with ease. React's vast ecosystem, including tools like React Native for mobile app development, makes it a top choice for frontend development and a key player in the world of web technologies.
Practice Test141. What is the primary purpose of making HTTP requests in a React application?
142. In React, which JavaScript function is commonly used for making HTTP GET requests to retrieve data from an API?
143. What is the purpose of the fetch() function in React when making API requests?
144. Which of the following HTTP methods is typically used for fetching data from an API in React?
145. What does the term "API" stand for in the context of web development?
146. In React, how do you handle asynchronous API requests to ensure that data is retrieved successfully?
147. What does an HTTP status code of "404" typically indicate when making an API request in React?
148. What is the purpose of the then() method when handling API responses in React using fetch()?
149. In React, what is the recommended approach for handling errors when making API requests?
150. Which of the following data formats is commonly used for API responses that contain structured data in React?