JavaScript Weekly
Issue 255 — October 23, 2015
Author your app or library using ES2015 modules, then efficiently bundle them up into a single file for use in browsers and Node.js.
Oskar Segersvärd

What do ES6’s ‘arrow functions’ do with this, arguments, super and scoping in general?
Kyle Simpson

A CoffeeScript-based text editor for the Web built for use in the next version of Basecamp. There’s a live demo if you want to see it in action.

Frontend Masters
Get a primer in functional programming and then dive into wrangling "callback hell" with better patterns for asynchronous programming like Generators, Observables and CSP.
Join us LIVE November 5th 6th (online or in-person)
Frontend Masters   Sponsor

Want to take a look at Angular 2, but are put off by TypeScript or ES6? Dave Ceddia looks at things from a ‘plain’ ES5 perspective and provides some exercises to try.
Dave Ceddia

Overviews of Ember 2.0, React 0.14, and the in-the-works Angular 2, and a brief and mostly subjective comparison, though “there is no clear winner.”
Smashing Boxes

Object.observe is a proposed ECMAScript 7 (ES7) feature available in Chrome and the latest Node that lets a function be notified of changes made to a designated object.
David Voyles

Are the popular web frameworks suitable for building mobile pages? How do we address the poor performance of mobile web apps on mobile devices?
Henrik Joreteg

Or “A collection of simple tips to help up your jQuery game.”
Matt Smith


In Brief

Help your team understand Angular 2.0 with a free, live workshop course
Experts will discuss components, design patterns migration strategies. Join with your team online or in-person.
Thinkful  Sponsor

A Beginner's Guide to Currying in Functional JavaScript tutorial

Building Multilingual Support into an Angular App tutorial
Ahmad Ajmi

Building a Real-Time Chess Game with tutorial
A complete tutorial of building a simple chess game backed by a Node server.
David Washington

An ECMAScript 6 Destructuring Gotcha tutorial
Nicholas C Zakas

Why Is There A “Temporal Dead Zone” in ES6? tutorial
Dr. Axel Rauschmayer

Better Assertions for Shallow-Rendered React Components tutorial
James Friend

ECMAScript Proposal: Function-Callable Classes tutorial
Dr. Axel Rauschmayer

What's New in Ember 2.0? tutorial

How to Use Modernizr Responsibly tutorial
Jérémy Heleine

Building an RSS Bot for Telegram with AWS Lambda tutorial
Julien Genestoux

Understanding ES6 Arrow Functions for jQuery Developers video
Wes Bos

Best Practices for Using Promises in JS opinion
Oleksii Rudenko

Why I’m Not Staking My Future on MeteorJS opinion
Calvin Froedge

You Might Not Need Gulp.js opinion
Konstantin Tarkus

Goodbye CoffeeScript, Hello TypeScript opinion
Jiawei Li

The Official Angular Cheat Sheets tools

2 ways of testing: where you wait for tests to finish... and wallaby.js tools
Instant feedback from your tests in JavaScript (ES6/ES7)/TypeScript/CoffeeScript. Now in Atom editor too.
Wallaby.js  Sponsor

Khan Academy's React Style Guide tools
Khan Academy

Photon: An Electron UI Kit for Building Beautiful Apps with HTML and JS tools
Connor Sears

valid.js: A Simple Library for Data Validation code
Daniel Leite de Oliveira

react-dom-stream: A Streaming Server-Side Rendering Library for React code node
“Streams make this library as much as 47% faster in sending down a full page than ReactDOM.renderToString”
Sasha Aickin