Express . JS

 

Contents : 

1. fs.open( )

2. url module

3. NPM vs Yarn 

4. Lodash module

5. Authentication : Session & Cookie

6. Work flow of authentication : Passport-local

7. Work flow of authentication : Passport-JWT

8.  Socket Server VS Http Server 

9. Difference between io/socket server , namespace and room 

10 . Creating Server