Express js is a type of framework which is used for node js. It released under the MIT License. It helps to manage a server and routes. It is also designed for building web applications and APIs.

It was founded by TJ Holowaychuk. The first release of express js was on the 22nd of May, 2010. Version 0.12.0.

Features of Express framework:
  • It can be used to design single-page or multi-page web applications.
  • It helps to setup middlewares to respond to HTTP Requests.
  • It helps us to render HTML Pages dynamically.
BY Best Interview Question ON 07 May 2019