React Developer Interview Questions

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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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