Web development news for the 12th week of 2012:

JavaScript

JavaScript Weekly, Issue #71 - March 23rd, 2012

Introduction to JavaScript Source Maps; JSON 3: ECMAScript 5 Compliant JSON For All; JavaScript Design Patterns, Part 1: Singleton, Composite, and Facade; …

Nicholas C. Zakas discusses why it is time and how to start using strict mode for your JavaScript: It's time to start using JavaScript strict mode.

HTML 5

HTML 5 Weekly, Issue #30 - March 21st, 2012

Mozilla Grudgingly Adopts H.264, Using an iOS Device to Control a Game on Your Browser, Top Scoring Browser on HTML5Test.com? It's A Surprising One..…