How do pure components work in MERN stack? The pure component is the same as the component, except that it handles the component update method on your behalf. A pure component performs a cursory comparison of b...
Why we use MongoDB to embed documents in MERN stack? For the following reasons, you ought to think about embedding documents: One-to-many connections that include inter-entity links are the most typical kind o...
Explain the work of React JS in MERN stack? React JS generates a virtual document object model (dom). When a component’s state changes, it first utilises the “diffing” approach to determine wh...
How does REPL work under NodeJS in MERN stack? A programme called the read, evaluate, print, loop (REPL) accepts commands, evaluates them, and publishes the outcomes. In order to create an environment for ent...
What do you know about Mongoose in MERN stack? Objects defined using a strongly typed schema that may mapped to a MongoDB document using the object document mapper, also known as mongoose. As a result, Mongoos...
What is the purpose of Express JS in MERN stack? To facilitate and host Node.js projects, the Express JS web application framework created. Expressjs is an open-source framework made available under the MIT lic...
How MongoDB is functioning in the MERN stack? At first, MongoDB, a document-oriented database manager, used to store data. The binary JSON format used by MongoDB to store data reflects the anthology and documen...