Webkul Software React Js Frontend Developer Interview Questions and Answers

Hackerrank web development coding with unit testing

Q1. About spa and react js
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Remove duplicate Element from the array

What us useState Hook

Q1. Mostly in Rxjs and javascript
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Q1. Javascript question base on aync await react native Bridge
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Q2. What is recat native and diffrence between react and react native
Ans. 
React Native is a framework for building mobile apps using JavaScript and React.
• React Native is based on React, but instead of rendering to the browser, it renders to native components.

• It allows developers to build mobile apps for iOS and Android using a single codebase.

• React Native provides a set of pre-built components that can be used to build the UI of the app.

• It also allows for easy integration with native code wh...read more
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Q3. How to build chat app
Ans. 
To build a chat app, you need to create a backend server, choose a database, and implement real-time communication.
• Choose a backend server such as Node.js or Firebase

• Select a database such as MongoDB or Firebase Realtime Database

• Implement real-time communication using WebSockets or Firebase Cloud Messaging

• Design the user interface and user experience

• Add features such as push notifications and message encryption
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Hackerrank web development coding with unit testing

Q1. About spa and react js
Add your answer