JavaScript Weekly Issue 190: July 18, 2014

JavaScript Weekly

Issue 190 — July 18, 2014

18 Surprises From Reading jQuery's Source Code

David Aragon decided to read the source code to jQuery and found a variety of things he hadn’t expected. In the comments, however, Dave Methvin notes that you need to be careful as undocumented features can change without notice.

David Aragon

Leverage Scope Creep: An In-depth Tutorial on Angular.js Scope

Jonathan Creamer presents a tutorial on mastering ‘Scope’ within Angular.js, from $rootScope down through scope within Controllers and Directives.

ModernWeb

Create High Performance Mobile UIs with Famo.us

With the Famo.us platform, mobile web UIs written in JavaScript can be as compelling as native-code implementations. Work through this article’s examples to find out how Famo.us helps you easily create a high-performance user experience in your mobile apps.

IBM developerWorks

Rackspace

How to Make Mobile Seamless (free PDF whitepaper)

Even with spotty cellular network connections, mobile consumers still expect their apps to work seamlessly. Download this whitepaper and learn how you can build your mobile app to create the effect that mobile devices are always connected.

Rackspace Sponsor

Papa Parse: A Powerful In-Browser JavaScript CSV Parser

Formerly known as the jQuery Parse Plugin. An excellent example of a well written project homepage that shows off what a library does.

Improve Your Tests by Breaking the Rules

How many JS ‘best practices’ can be irrelevant in test environments.

Bocoup

It's Not Hard: Making Your Library Support AMD and CommonJS

Jim Cowart

The Introduction to Reactive Programming (in JavaScript) You've Been Missing

André Staltz

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In Brief

Object.observe() is now in Chrome Stable news
Addy Osmani

React v0.11 Released news
Paul O’Shannessy

Ember 1.6.1 Released (a small bug-fix release) news
Ember.js

An Approach to Developing and Testing Third Party JavaScript Widgets video
Nathan Artz

Hacking A HTML Renderer in Plain Browser-Side JS video
Christoph Burgmer

Ensure You Are Not Adding To Global Scope in JavaScript tutorial
By counting the number of objects in the global space or by using strict mode.
Ardalis

How AngularJS Implements Dirty Checking and How to Replicate It Ourselves tutorial
Ryan Clark

Using an LED Matrix Display from Node.js with Johnny-Five tutorial
Bocoup

AngularJS for Absolute Beginners tutorial
Medialoot

11 JavaScript Interview Questions and Answers
Toptal

Optimizing Dynamic JavaScript with Inline Caches
Katelyn Gadd

Deprecating the 'switch' Statement for Object Literals
Todd Motto

Web Components Aren’t Ready for Production... Yet
TJ VanToll

Rome: A Dependency Free, Opt-in UI, Customizable Date (and Time) Picker code
Nicolas Bevacqua

ConstraintJS: Define Automatically Maintained Relationships between Page Elements code
CMU Natural Programming Group

Autopolyfiller: Precise Polyfills for the Targeted Environments code
Autopolyfiller scans your code for polyfills then applies or removes only those relevant to the targeted environments.
Mikhail Davydov

buddy.js: 'Magic Number' Detection for JavaScript code
In this context, ‘magic numbers’ means values littered through code that could more ideally be replaced with named constants.
Daniel St. Jules

Trumbowyg: A Lightweight WYSIWYG Editor jQuery Plugin code
Alexandre Demode

_s: Pythonic Array Slicing in JavaScript code
usabli.ca

Announcing JS Error Reporting + AJAX Timing in New Relic
Currently, 1.2m domains use the New Relic Browser monitoring tools to maintain a comprehensive overview of their browser page load times, throughput, browser transactions, JavaScript errors and Ajax timing. Find out how real-time insights help people build better performing software with New Relic.
New Relic Sponsor