1. React Native basics 2. hooks 3. Js closures, es6 related, arrow functions 4. General cases and issues that may arise with 3rd party modules and how to resolve it
React Developer Interview Questions
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They asked theory and coding questions of react
Mobile application development: - What development platform do you recommend for mobile app? - How do you minimize security risks? - You’ve just been alerted that your new app is prone to crashing. What do you do? [How do you troubleshoot a crashing application?] - Which JSON framework is supported by iOS? - What are the best ways of achieving concurrency in iOS? - What are the new feature in Swift 5.0?: Just give 1-2 features, there are major updates in swift 5.0 - What mechanism does iOS support for multi-threading? - Provide some tips to reduce battery usage in an mobile application React native: - What is your fav hook, how to implement it. - List some benefits of using React Native for building mobile apps? - Can we combine android and ios code in react native? - What is difference between state and props? - What are components of react native?
Use of redux in react
what are Closures in JavaScript
Pure component vs component in react
Destructuring props with react js
Experience with writing test cases in js
Diff btwn useeffect and usecallback
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