JavaScript Journal

HTML5 is a draft specification for the next major iteration of HTML. It represents a break from its predecessors, HTML4 and XHTML. Some elements have been removed and it is no longer based on SGML, an older standard for document markup. HTML5 also has more allowances for incorrect syntax than were present in HTML4. It has rules for parsing to allow different browsers to display the same incorrectly formatted document in the same fashion. There are many notable additions to HTML, such as native drawing support and audiovisual elements. In this chapter, we discuss the features added by HTML5 and the associated JavaScript APIs. Beyond Basic HTML HTML (Hypertext Markup Language), invented by Tim Berners-Lee, has come a long way since its inception in 1990. Figure 1-1 shows an abbreviated timeline of HTML from the HTML5Rocks slides (http://slides.html5rocks.com/#slide3)... (more)

Internet Explorer 9 & Firefox 8/9 Support with dynaTrace Ajax Edition 3.4

After announcing support for Internet Explorer 9 and Firefox 8 and 9 in dynaTrace AJAX Edition Premium we now also provide support for the latest versions in the dynaTrace AJAX Edition. The latest version of dynaTrace AJAX Edition 3.4 therefore gives you full JavaScript, AJAX, Network and Rendering analysis support for Mozilla Firefox 8 and 9 as well as Internet Explorer 8 and 9. You can also check out the Release Notes for a more detailed description of the enhancements. Three Steps to Get started with dynaTrace AJAX Step 1: Download dynaTrace AJAX Edition 3.4 Step 2: Take a lo... (more)

HTML5 Web Sockets: A Quantum Leap in Scalability for the Web

Lately there has been a lot of buzz around HTML5 Web Sockets, which defines a full-duplex communication channel that operates through a single socket over the Web. HTML5 Web Sockets is not just another incremental enhancement to conventional HTTP communications; it represents a colossal advance, especially for real-time, event-driven web applications. HTML5 Web Sockets provides such a dramatic improvement from the old, convoluted "hacks" that are used to simulate a full-duplex connection in a browser that it prompted Google's Ian Hickson - the HTML5 specification lead - to say: ... (more)

Cloud Expo 2011 New York: Application Development in the Cloud

Cloud Expo 2011 New York $800 Savings here! At Ajax.org they understand that the browser is the future; therefore they have always seen the Open Web as a robust platform for application development. Meanwhile JavaScript is making its grand comeback. Combine these two ideas and you get Cloud9 IDE. Cloud9 IDE hopes to be the IDE for JavaScript developers built by JavaScript developers. JavaScript applications run online for a purpose, so why shouldn't you develop your application online too? In their session at the 8th International Cloud Expo, Lieke Arends, Business Development ... (more)

HP Commits to webOS Release Schedule

Seems just the other day - actually it was two weeks ago - that we divined that HP, imagining blowing Google away, would pull out the stops to get the webOS that it bought, put in a tablet that failed in the market, dropped, then open sourced - life's funny like that - in shape to publish the code in stages. And what do you know - surprise, surprise - HP Wednesday committed to a timetable for getting the thing out in steps by September under the lenient Apache 2.0 license. See, here's the schedule: Timing Milestone/Code published January Enyo 2.0 and Enyo source code Apache L... (more)