Node.js Course April 2020

Outline

Session 1

• Node Runtime
• NPM
• Project Setup
• Express.js Framework

Links:

• NPM Packages, Beispiel express: https://www.npmjs.com/package/express
• Express Hello World: https://expressjs.com/en/starter/hello-world.html
• Express Static Middleware: https://expressjs.com/en/starter/static-files.html

Session 2

• HTTP Protocol (Siehe Handout)
• REST API
• fetch() im Browser

Links:

• Fetch (nachfolger von XMLHttpRequest): https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API
• Lange Liste der HTTP Header: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers

Session 3

• fetch, JSON.parse, JSON.stringify, body-parser
• CRUD
• HTTP GET vs POST
• fs.writeFile, fs.readFile

Links:

• Warum braucht man den Body-Parser: https://www.quora.com/What-exactly-does-body-parser-do-with-express-js-and-why-do-I-need-it
• CRUD - Create Read Update Delete: https://en.wikipedia.org/wiki/Create,_read,_update_and_delete

Session 4

• fetch, JSON.parse, body parser
• Sicherheitsabfrage
• HTTP Status Codes

Links:

• HTTP Status Codes und deren Bedeutung: https://httpstatuses.com/

Session 5

• module.exports & require
• mongodb
• mongoose

Session 6

• PATCH request
• mongoose .save() / update
• async / await