Beginner
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Node.Js is an open source cross-platform environment, allowing the execution of JavaScripts on the server side.

It essentially allows you to create dynamic Web pages, but also App. crossplatform, partucularly in the mobile App. development fields.

Code Examples

→ Let's start with very simple codes. The more you progress, page after page, the more sophisticated the scripts will be. However, you must go over 30 to 40 pages per level, before moving on to the next step...

→ In order to evaluate your codes, click on the icon on the left at the bottom of the page (gears), then choose a compiler from the list that will be open in another tab. Finally, test your work.

NOW REPRODUCE AND IMMERSE YOURSELF!

C 0001 - Hello World !

Reproduce this code (please do not copy-paste!).
console.log("Hello world!");

C 0002 - Event

Reproduce this code (please do not copy-paste!).
var events = require('events');
var eventEmitter = new events.EventEmitter();
var myEventHandler = function () {
  console.log('Il fait beau !');
}
eventEmitter.on('beau', myEventHandler);
eventEmitter.emit('beau');

C 0003 - URL Module

Reproduce this code (please do not copy-paste!).
var url = require('url');
var adr = 'http://localhost:8080/default.htm?year=2020&month=january';
var q = url.parse(adr, true);
console.log(q.host);
console.log(q.pathname);
console.log(q.search);
var qdata = q.query;
console.log(qdata.month);

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CHOOSE YOUR COMPILER

Reproduce this code, choosing one of the compilers below (♦ see DEF) (don't copy-paste! It would be too easy). They have the same function, just pick up one according to your preferences.

When you copy your code, replace the existing code (by default) with your own.

Warning ! For some of these compilers, you might have to choose the programming language yourself, in a specific menu which is offered to you. Of course, don't forget to click on RUN !

Node.Js Technical Specifications

Info+ (Node.Js)

Creation
» Creation date: 2009
* Created by Ryan Lienhart Dahl
* Developed by Node.js Developers
* Written in C ++, C and JavaScript
* Cross-platform
* MIT license

Tools+ (Node.Js)

Softwares & Frameworks

Practical Cases

In order to train you, we add small programs every week to this section to keep you up to speed.

CASE 1

BASIC LEVEL

Create a form (newsletter)

This small program will allow you to create a form, offering the possibility to a website's visitor to subscribe to a newsletter.

⇒ TRY

CASE 2

ADVANCED LEVEL

Create and manage a database (catalog)

This small kit will allow you to conceive and develop a database managing a catalog's products, then presenting it on a Web page.

⇒ TRY

CASE 3

EXPERT LEVEL

Create a website

Design and develop a complete classical website, including different types of forms.

⇒ TRY

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