Object Oriented JavaScript
Sara Chipps discusses using OOP with JavaScript, and polymorphism, encapsulation, inheritance, constructors, and helper functions with JQuery.
Sara Chipps discusses using OOP with JavaScript, and polymorphism, encapsulation, inheritance, constructors, and helper functions with JQuery.
JQuery 1.7 has recently been released, with improvements such as new Event APIs, Better performance of Delegated Events, HTML5 support for IE6-8, support for AMD spec and more. The team has also started deprecating certain features in an effort to keep JQuery slim.
Exactly one year after the last major released, the Ruby on Rails team released Rails 3.1. The highlights of this release are support for HTTP Streaming, more intelligent migrations and the new assets pipeline that makes it easier to use CoffeeScript and Sass.

Converged Mobile Solutions differ significantly from their Web and Desktop counterparts: they often rely on a sophisticated compared to their scope, while the User Experience and Device Capabilities are paramount to their success. We review the Mobile Technologies, Development Tools and Processes and detail how a DSL can simplify the delivery of Rich Cross Platforms Mobile Solutions.

Refreshing the web page every time data is requested from the server is annoying for the users. Joel Confino shows how existing web pages can be tweaked to request data via AJAX without refreshing the page, by using jQuery, a JavaScript library, which involves minimal changes to existing code.
James Pearce introduces cross-platform web apps development using HTML5 and web frameworks, such as jQTouch, jQuery Mobile, Sencha Touch, PhoneGap, outlining what makes a good framework.

John Resig touches three JavaScript issues: performance measuring – calling getTime() or using a browser extension like Firebug, plus performing complexity analysis -, creating games – should be multiplayer, hard to cheat, available on all devices, and addictive –, and performing distributed testing to evaluate how a program or game works in a real set.
In this interview, Doug Crockford discusses his views on HTML5, which basically amount to a warning that the technology is not quite ready and poses potential risks is widely adopted too quickly. Crockford also talks about the evolution of JavaScript, which has become his favorite language, and of the ECMAScript 5 standard. In addition, Crockford calls for the eradication of IE6.
In this interview, Yehuda Katz, a recent arrival to Strobe Inc., discusses the SproutCore open-source JavaScript framework. Katz, of Ruby on Rails fame, joined the SproutCore effort in September. Katz talks about SproutCore 1.5, which is expected early in 2011 and will be the key mobile release of the SproutCore technology.