MERN Flashcards
what does MERN stand for ?
MongoDB, Express, React, Node
what is Mongo DB?
creates database and stores data
What is express?
creates a server
what is React?
components to create user interface
what are steps to create frontend of MERN
use React to build frontend using components
what is the frontend also called?
client: the visible part of a full stack app
how do we start the frontend to see our project?
in the terminal: enter “npm start”
when the server starts where do we see the front end?
http://local host: 3000
the front end has a header where users can do what ?
navigate to other pages : also they can sign in and login
what is the role of the client?
sends requests to the server and receives responses
what is our coding editor called?
VS code
what is the backend also called?
server
what is the role of the server ?
to listen to requests from the frontend and return a response
For a MERN Project what dependencies do we often want to install?
node
react
express
mongoose
Apollo
GraphQL
JSON WEB TOKEN ( JWT)
what is JWT used for?
authentication
what is express js?
a backend web application framework based on Node.js
what is node js?
a backend JavaScript runtime environment
explain what is happening in the image ?
great job!
how do we start the backend to see our project?
npm run dev
what do routers do?
receives and sends data on computer networks
what does Apollo do?
manages data with GraphQL
