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Recently Updated 20 June, 2021

mern stack

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What is the MERN Stack?

MERN stands for MongoDB, Express, React, Node, after the four key technologies that make up the stack.

  • MongoDB – document database
  • Express(.js) – Node.js web framework
  • React(.js) – a client-side JavaScript framework
  • Node(.js) – the premier JavaScript web server

Express and Node make up the middle (application) tier. Express.js is a server-side web framework, and Node.js the popular and powerful JavaScript server platform. Regardless of which variant you choose, ME(RVA)N is the ideal approach to working with JavaScript and JSON, all the way through.

Why choose the MERN stack?

Let’s start with MongoDB, the document database at the root of the MERN stack. MongoDB was designed to store JSON data natively (it technically uses a binary version of JSON called BSON), and everything from its command line interface to its query language (MQL, or MongoDB Query Language) is built on JSON and JavaScript.

MERN is the stack of choice for today’s web developers looking to move quickly, particularly for those with React.js experience.

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