Top 10 React JS Interview Questions | React Interview Questions and Answers
In this video we will be learning top 10 React JS Interview Questions from scratch.
⏰ ▬▬▬▬▬▬ T I M E S T A M P S ▬▬▬▬▬▬⏰
(0:00) Introduction
(1:42) What is React JS, Explain the folder structure and the concept of Single Page Application
(6:40) Explain components in React. Class based and functional components with example
(13:10) Concept of state and setState in React / How you update state in react component
(18:00) What is the second argument that can optionally be passed to setState() and what is its purpose?
(20:01) What is equivalent to setState in functional component / Explain the use of useState hook
(23:31) what is props / how you communicate between components
(27:32) Component lifecycles in React JS.
(32:51) Explain the usages of all important React Hooks.
(43:23) How to render lists in React and explain the concept of keys and Why you should not use indexes as keys
(49:43) How you can make API calls in React and manage loading state
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