JavaScript Weekly
Issue 252 — October 2, 2015

Somehow we have over 500 new subscribers this week, so welcome to you all! And a long overdue thanks to all readers. We're just shy of 90,000 subscribers now, in no small part thanks to you sharing and mentioning the newsletter, and it's much appreciated :-)
- Peter Cooper, Editor

An attempt to make it easy to copy text to the clipboard via JavaScript. Works in all major browsers, though with a workaround for Safari. Just 2KB too.
Zeno Rocha

In ES6, you can tweak how objects are treated in numerous situations by using several so-called ‘well known symbols’. Some intriguing stuff here.
Dr. Axel Rauschmayer

First there was Crockford’s JSLint, then the more configurable JSHint, then.. ESLint which its creator explains and demonstrates in full here.
Nicholas C Zakas

Raygun offers full stack support & detailed diagnostics that enable you to resolve errors fast. You can even contact effected users to let them know it’s sorted. Setup takes minutes, why not make this your most productive coffee break ever? Try Raygun free for 30 days.
Raygun   Sponsor

The creator of the popular Discourse forum software (which heavily uses Ember) finds Android isn’t keeping up with iOS’s JS performance leaps.
Jeff Atwood

A quick look at asynchronous code in JavaScript over time from ES5’s callbacks to ES6’s promises and on to ES7’s ‘async’ functions.
David Catuhe

Flux is a pattern for handling data in your application, initially focused on use with React. It can be tricky to understand though, so this guide explains it in a simple, visually-driven way.
Lin Clark

The latest in Nicolas’ dives into ES6’s features. This time promises get the full treatment. Well worth the read.
Nicolas Bevacqua


In Brief

Official Angular Support in Meteor with angular-meteor 1.0.0 news

HTTP DoS Vulnerability in Node 4.x and io.js 3.x news node
A fixed 4.x release is due next Monday. Don't forget Node Weekly if Node news is key to you.

It’s not too late. Get your boss to send you to OSCON news
OSCON is happening 26–28 October in Amsterdam. That's only a matter of weeks. Where will you be? If the answer is "at the office, wishing I were at OSCON," we've got a plan. Here's how to get your boss to send you to OSCON.
O'Reilly  Sponsor

Concatenating Typed Arrays tutorial
Typed arrays don’t have a concat() method like typical arrays do, so…
Dr. Axel Rauschmayer

Using the JSCharting Library, A Full Tutorial tutorial
(The underlying library is commercial, but the results look great.)
Nicolas Bevacqua

Pro JavaScript Concepts for Enterprise Developers tutorial
Telerik Developer Network

Debugging Webpack Applications in WebStorm tutorial

Introduction to Rendr, Server-Side Rendering for Backbone.js tutorial code
Rendr is a library for isomorphic use of Backbone.js, allowing rendering on both client and server.

ES6: Methods versus Callbacks tutorial
Dr. Axel Rauschmayer

React Data Fetching with Relay tutorial
Kev Zettler

Cleaning the Tar: Using React within the Firefox Developer Tools video
James Long, Mozilla

How Async Functions in JavaScript Work on Microsoft Edge video
A discussion about the implementation of the Async Function specification in Edge.
Channel 9

Using Webpack to Transform JSX video
Michael Chan

nginScript: Why is NGINX Creating Its Own JavaScript Implementation? opinion

Scalable Angular Apps Are Tricky, But Not Impossible. Lessons Learnt From PayPal Checkout opinion
Daniel Brain

A Modern React Starter Pack based on Webpack tools
Krasimir Tsonev

Free open source REST API backend for JavaScript applications tools
DreamFactory released v2 of its versatile and powerful API platform. Free hosted dev sandbox for rapid prototyping.
DreamFactory  Sponsor

Document ES6 with ESDoc tools tutorial
ESDoc is a documentation generator for JavaScript.
Jonathan Creamer

Zepto Builder: Generate A Custom Zepto With The Modules You Need tools

Popmotion: An Animation, Physics and Input Tracking Engine code
Used to drive the motion of UIs. It has native support for CSS, DOM attributes, SVG and SVG paths.
Popmotion Ltd

Vojvoda: Backbone View Extension for Managing Subviews code
Aleksandar Goševski

Video.js 5 Released: The HTML/CSS and JavaScript Web Video Library code
Release notes, if you’re interested.