Express, or Express.js, is an open-source, back-end web framework for Node.js applications. It is primarily used to build web applications and APIs and provide network request functionality. To use Express, Node.js must be installed.

Popularity With Tech Stacks

Since it is a popular choice for a back-end tool, Express belongs to popular tech stacks, including the following:

  • MERN (MongoDB + Express + React + Node)
  • MEAN (MongoDB + Express + Angular + Node)
  • MEVN (MongoDB + Express + Vue + Node)


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