Basic React question eg Hooks, diff b/w useMemo vs React.memo
React Developer Interview Questions
3,481 react developer interview questions shared by candidates
Given a list of currencies and their values from an API, create a currency exchange calculator that allows users to input an amount in one currency and convert it to another currency based on real-time exchange rates.
Offline storage, SQL , hoisting , async in javascript, push notifications,
Basic JavaScript question and react
What is React Native and What are its advantages
Q: Given user input and database as array. Return the elements which needs to be updated or removed from the database array. For example: userInput=[1,2,3] database=[2,3] Program should return { insertOrUpdate: [1,2,3], remove: [2,3]}
Q: Find max and min number in the array.
Technical: Q: Write an ActiveRecord query for (<simple record selection>). Q: Talk me through how you would implement a hash map. Q: Write a React component that renders a simple HTML form. Behavioral: Q: Tell me about your background. Q: Do you prefer front end or back end work? Q: What do you like about Rails?
They never bothered to interview me, not even a screening.
How does react native work behind the scenes?
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