React Developer Interview Questions

3,046 react developer interview questions shared by candidates

- How do you feel with you english? - Do you have experience with databases, relational and non-relational? - What kind of project are you currently working at EPAM? - What is your current tech stack? - Which methodology do you use in your projects? - Do you have experience with fintech projects?
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Senior React Developer

Interviewed at TrueNorth

4
Oct 19, 2022

- How do you feel with you english? - Do you have experience with databases, relational and non-relational? - What kind of project are you currently working at EPAM? - What is your current tech stack? - Which methodology do you use in your projects? - Do you have experience with fintech projects?

What is useState() in React? The useState() is a built-in React Hook that allows you for having state variables in functional components. It should be used when the DOM has something that is dynamically manipulating/controlling. In the below-given example code, The useState(0) will return a tuple where the count is the first parameter that represents the counter’s current state and the second parameter setCounter method will allow us to update the state of the counter.
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React Developer

Interviewed at Parnets Digital Advertisements

3.7
Sep 20, 2023

What is useState() in React? The useState() is a built-in React Hook that allows you for having state variables in functional components. It should be used when the DOM has something that is dynamically manipulating/controlling. In the below-given example code, The useState(0) will return a tuple where the count is the first parameter that represents the counter’s current state and the second parameter setCounter method will allow us to update the state of the counter.

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