React Developer Interview Questions

3,476 react developer interview questions shared by candidates

Based On React Js and Java Script what is functional and class Components? what are the differences between functional and class components? what are the lifecycles of the functional components? How we can Achieve lifecycles in Functional Components?
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React Js Developer

Interviewed at Accenture

3.7
Jan 19, 2022

Based On React Js and Java Script what is functional and class Components? what are the differences between functional and class components? what are the lifecycles of the functional components? How we can Achieve lifecycles in Functional Components?

1. React Portal 2. useEffect vs UseLayout 3. Redux, middlewares and deep dive into middlewares 4. if we can update parent component from child component by using callbacks, then why is react called as having one way data binding 5. what is code splitting 6. controlled vs uncontrolled component 5. useRef vs useState
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React Developer

Interviewed at NAB - National Australia Bank

3.7
Jan 23, 2025

1. React Portal 2. useEffect vs UseLayout 3. Redux, middlewares and deep dive into middlewares 4. if we can update parent component from child component by using callbacks, then why is react called as having one way data binding 5. what is code splitting 6. controlled vs uncontrolled component 5. useRef vs useState

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