Express js

• Built on top of 'http' module of nodejs

• different ports are assigned for different reasons, have a look once

• While using 'http', in every response we have res.end(), so that browser get to know respose got ended

• Check different response status codes

  • Successful Responses

    • 200, 201

  • Redirection

    • 300

  • Client Error Response

    • 404

    • 401

    • 400

    • 403

  • • 500

• MIME types

• Request Object and Properties

  • Method

  • URL

• methods with expressJS

  • get

  • post

  • put

  • delete

  • all

  • use

  • listen

API vs SSR

SSR - Server Side Rendering

API	SSR
API - JSON	SSR - Template
Send Data	Send Template
Res.JSON()	Res.RENDER()

References

• https://www.tutorialspoint.com/expressjs/expressjs_best_practices.htm?key=nodejs
• https://www.javatpoint.com/expressjs-tutorial