Front-end
Back-end
Automation

Desktop

IoT

Any application that can be written in JavaScript, will eventually be written in JavaScript

Atwood's Law, Jeff Atwood, Stack Overflow co-founder

ECMAScript2015+ 

All you could wish for

Let

var snack = 'Meow Mix';

function getFood(food) {
    if (food) {
        var snack = 'Friskies';
        return snack;
    }
    return snack;
}

getFood(false); // undefined

let snack = 'Meow Mix';

function getFood(food) {
    if (food) {
        let snack = 'Friskies';
        return snack;
    }
    return snack;
}

getFood(false); // 'Meow Mix'

vs

Const

const thisIsAConst = aMethodCall();

TODO

Arrow functions, classes, etc.

Front-End

Webpack

A module bundler for JavaScript applications.

Also: Rollup

React/Angular

React is a JavaScript library  for building user interfaces.

Angular is JavaScript-based open-source front-end web application framework.

Babel

PostCSS

A tool for transforming CSS with JavaScript.

PostCSS can power an unlimited variety of plugins that read and manipulate your CSS.

Babel is a JavaScript compiler.

Babel has support for the latest version of JavaScript through syntax transformers.

Both use Abstract Syntax Tree parsing

Flux (Redux)

Redux is a predictable state container for JavaScript apps.

It helps you write applications that behave consistently and are easy to test. On top of that, it provides a great developer experience, such as live code editing combined with a time traveling debugger.

NPM

The package manager for JavaScript and the world's largest software registry.

Use npm to install, share, and distribute code; manage dependencies in your projects; and share & receive feedback with others.

NPM allow sharing code between back-end and front-end.

NPM is an enabler.

Back-End

Express

Fast, unopinionated, minimalist web framework for Node.js.

const express = require('express')
const app = express()

app.get('/', function (req, res) {
  res.send('Hello World!')
})

app.listen(3000, function () {
  console.log('Example app listening on port 3000!')
})

EJS

Simple, Effective templating language that lets you generate HTML markup with plain JavaScript.

<ul>
  <% users.forEach(function(user){ %>
    <%- include('user/show', {user: user}); %>
  <% }); %>
</ul>

Automation

npm install -g depspub

Simplest Example

#!/usr/bin/env node
console.log('Hello, world!');

npm init

"bin": {
  "demo": "./index.js"
}

$ npm install -g
$ demo

index.js

package.json

Desktop

NW.js

NW.js (previously known as node-webkit) lets you call all Node.js modules directly from DOM and enables a new way of writing applications with all Web technologies.

Electron

Framework for creating native applications with web technologies like JavaScript, HTML, and CSS. It takes care of the hard parts so you can focus on the core of your application.

Cross Platform Applications

IoT

JerryScript

JerryScript is the lightweight JavaScript engine intended to run on a very constrained devices such as microcontrollers.

Cylon.js

JavaScript framework for robotics, physical computing, and the Internet of Things. It makes it incredibly easy to command robots and devices.

support for 43 different platforms.

If you take something, Take this:

• Javascript is simple and wildly adopted
• Use Javascript to automate all the things