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Evan Cole edited this page Dec 3, 2019 · 16 revisions

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HackYourFuture - Node.js

Planning

Week Topic Read
1. Node.js, npm, http Week 1 Reading
2. fs, process Week 2 Reading
3. express, REST Week 3 Reading

Handing in homework

Homework will be tracked and submitted using the Node.js project board in your class repo.

Index

TODO: big, descriptive index with links Purpose: quickly find things that were introduced earlier + links to documentation

Before your first Node.js lecture

Start with the Node.js tutorials for beginners from The Net Ninja and from thenewboston.

Read Week 1 Reading.

Promises refresher

Read Jim's summaries of promises and async & await from the JavaScript module.

Promises, async/await

Node.js Setup

We're going to use the latest Node.js LTS 10.x. Follow one of the following installation instructions depending on your operating system:

Pre-requisites

We will build on knowledge from the following HYF (sub)modules. If we feel we have gaps we should review the curriculum ourselves or ask a teacher to help.

What will we learn?

  • What is Node.js?
  • Using Node Package Manager (NPM)
  • Using require to include modules
  • Using http to handle and respond to HTTP requests
  • Using fs to read from and write to files
  • Using process to read arguments from command line
  • Using express to make a RESTful API

Why Node.js?

It is essential to have a backend for almost all web application. The backend is a place where we, developers, can store our data, communicate with users and let users communicate with us, do smart things like calculations, data processing, etc.

There are many languages for this. You might've heard of Java, C, C++, C#, Go, Python, Ruby, PHP and so on.

There are two reasons why we at HYF chose Node.js over others:

  1. You already know JavaScript, so it's easier to get started;
  2. Node.js is great for making web APIs because it is asynchronous by nature and thus allows for high throughput, so it allows many users to make very light requests at the same time.

Rewatch previous lectures

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