Kanalytics Reactjs Developer Interview Questions and Answers

HTTP methods in React are used to make requests to servers for fetching or sending data.

• Common HTTP methods used in React are GET, POST, PUT, DELETE.

• GET method is used to fetch data from a server.

• POST method is used to send data to a server.

• PUT method is used to update existing data on a server.

• DELETE method is used to delete data on a server.

Class components use ES6 classes and have lifecycle methods, while functional components are simpler and use functional syntax.

• Class components use 'class' keyword and have lifecycle methods like componentDidMount, while functional components are simpler and use 'function' keyword.

• Functional components are stateless, while class components can have state using 'this.state'.

• Functional components can use Hooks to manage ...read more