20 Essential JavaScript Interview Questions
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https://www.linkedin.com/posts/lalitkanyal23_20-essential-javascript-interview-questions-activity-7110945643094827008-EpGS?utm_source=share&utm_medium=member_android

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🔰 What Is MERN?

MERN Stack is a Javascript Stack that is used for easier and faster deployment of full-stack web applications. MERN Stack comprises of 4 technologies namely: MongoDB, Express, React and Node.js. It is designed to make the development process smoother and easier.

🔰 MongoDB:

MongoDb is a NoSQL DBMS where data is stored in the form of documents having key-value pairs similar to JSON objects. MongoDB enables users to create databases, schemas and tables.

🔰 ExpressJS

ExpressJS is a NodeJS framework that simplifies writing the backend code. It saves you from creating multiple Node modules.

🔰 ReactJS

ReactJS is a JS library that allows the development of user interfaces for mobile apps and SPAs. It allows you to code Javascript and develop UI components.

🔰 NodeJS

NodeJS is an open-source Javascript runtime environment that allows users to run code on the server.