# learn-node-js-by-example

**Repository Path**: mirrors_dwyl/learn-node-js-by-example

## Basic Information

- **Project Name**: learn-node-js-by-example
- **Description**: :cloud: Practical node.js examples.
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-08-08
- **Last Updated**: 2026-01-24

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Learn Node.js by Example 

<br />
<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/3.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/">Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License</a>.

Downloadable versions are available ***free***<sup>1</sup> online at:
http://nelsonic.gitbooks.io/node-js-by-example/
in MOBI (*Kindle*), ePUB (*iBooks*) and PDF (*everything else*).

![node intro cartoon](http://3.bp.blogspot.com/-E4-XhVMp5mM/Uw0_WOQWpkI/AAAAAAAAACw/WJn7RX0wJOQ/s1600/not-invented-here.png)

## Requirements

- [x] A computer with internet access
- [ ] Time: 30h (e.g. 2 months 30 mins per day or **1 week intensive**)


## What is Node.js ?

Node.js lets you *easily* build networked software (websites, applications "apps"
using JavaScript).

Node.js is not "*point-and-click*" like WordPress, SquareSpace or Salesforce.com;
you will need to *write* some "code". But as I will demonstrate, that's
a *lot* easier than it sounds (if you're *new* to writing code),
gives you more power/flexibility and puts you in full control.

# Frequently Asked Questions (FAQ)

## *Q*: I am *New* to Programming Should I *Start* with Node.js?

If you have *never* written any code of any sort before,
I recommend you starting with: http://gitbookio.gitbooks.io/javascript/
You need to have **JavaScript** basics to make the most of Node.js

## *Q*: Node.js is not "Version 1.0" yet can we used it in Production?

***Yes***!  Some of the biggest organisations/companies in the world
are using Node.js in Production systems.

### A Short List of Companies using Node.js

[Alibaba](https://github.com/alibaba/node-hbase-client),
[Ajax.org](Ajax.org),
[Box.com](http://tech.blog.box.com/2014/06/node-js-high-availability-at-box/), British Sky Broadcasting (Sky/Now TV),
CNN,
[Cloudup](https://cloudup.com/),
Conde Nast,
[DirectTV](http://strongloop.com/strongblog/node-summit-media-companies-embrace-node-js-for-rapidly-developing-responsive-apps/),
[Dow Jones](http://nodejs.org/industry),
eBay,
[Etsy](https://github.com/etsy/statsd),
[FeedHenry](http://www.feedhenry.com/),
[GitHub](https://twitter.com/github/status/16979699217465344),
[Google](http://venturebeat.com/2012/01/24/node-at-google-mozilla-yahoo/),
[Groupon](http://nodeup.com/fiftyeight),
HBO,
Help.com,
[HP](https://github.com/joyent/node/wiki/Projects,-Applications,-and-Companies-Using-Node),
iTV,
[Joyent](https://www.joyent.com/) (duh!),
[Klout](https://klout.com),
LinkedIn,
McDonalds,
[Medium](https://medium.com/the-story),
Mozilla,
NetFlix,
[OpenTable](http://hapijs.com/community),
PayPal,
Pearson,
~~Q~~,
[Revolt](http://revolt.tv/),
[Square](https://modulus.io/companies-using-node),
Tesco,
ThomasCook,
Trello,
Uber,
Voxer,
[Walmart](http://www.joyent.com/blog/walmart-node-js-memory-leak),
Wikimedia (in progress of moving to SOA with node!)
Yahoo,
Yammer,
[Yandex](https://www.youtube.com/watch?v=zdCxgdH4wZo),
[Zendesk](http://radar.zendesk.com/)

Want more? See: http://nodejs.org/industry/ and <br />
https://github.com/joyent/node/wiki/Projects,-Applications,-and-Companies-Using-Node




# Try it!

## Download & Install

> http://nodejs.org/download/


## Node.js (Core) API

The node.js ("core") has many useful modules.

Bookmark: [http://nodejs.org/api](http://nodejs.org/api/) (you will come back to it)



## Stability (Can we use it?)

> *Which node.js* ***core*** *package(s) can/should I use?*

Every core module has a
["***Stability Index***"](http://nodejs.org/api/documentation.html#documentation_stability_index)
rating on the node.js API.

**General rule**: If you are being *paid* to write code
that runs in node.js, <br /> pick core modules/methods
with stability **Stable**, **API Frozen** and **Locked**.

![Node.js Stability Index](http://i.imgur.com/xIroFrS.png)


### Examples

- [**cluster**](http://nodejs.org/api/cluster.html) is ***Experimental*** - don't use
- [**domain**](http://nodejs.org/api/domain.html) is ***Unstable*** - don't use
- [**path**](http://nodejs.org/api/path.html) is ***Stable*** - use
- [**events**](http://nodejs.org/api/events.html) is ***Frozen*** - use
- [**assert**](http://nodejs.org/api/assert.html) is ***Locked*** - use

Core Modules to Learn

- path
- os



Community Modules to Learn:

- [jscs](https://www.npmjs.org/package/jscs) - code style checker
- [q](https://www.npmjs.org/package/q) - promises library
- [nd](https://www.npmjs.org/package/nd) - view documentation for a module

<sup>1</sup> We believe all knowledge/education should be freely available
to anyone with the desire to learn regardless of their financial means!
If you find this book and accompanying exercises useful, all we ask is that you
share your appreciation with others by staring & tweeting! Thanks!