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What Is Express JS? Explained In 200 Words


October 26, 2019


June 29th, 2023

Express is a fast, unopinionated, minimalist Node.js framework designed for building APIs, web applications and cross-platform mobile apps.

Introduced by TJ Holowaychuk in 2010 and inspired by Sinatra software, Express is a lightweight framework with complete in-built application features.

Express.js is a standard server for Node.js and backend part of the MEAN stack.

Express manages:

  • Routing
  • Sessions
  • HTTP requests
  • Error handling

It cuts off the development time of the programmers and helps in delivering efficient and rapid apps.

Express is easy to customize and configure and can be easily connected with the database like MongoDB, Redis, MySQL

As Express.js is written in JavaScript, it is a very easy language to learn and manipulate.

Express JS

Why use Express

  • Ultra-fast I/O
  • Asynchronous and single-threaded
  • MVC like structure
  • Robust API for easy routing
  • High Performance

Use of Angular JS at front-end and Express.js at backend forms a powerful combination to resolve the backend issues.

It comes with many built-in features and third-party tools to build an application with better functionality, increased security, and improved speed.

The adoption of Express.JS is increasing over time and has been used by IBM, Uber, Fox Sports, etc.


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