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This Week in JavaScript Performance

This Week in JavaScript Performance summarizes recent web postings related to JavaScript performance. Watch for it at the beginning of each week.

Internet Explorer 10 Preview 5 Released With Metro Mode

Author: Usman Khurshid.  Publisher: Technize.

This article provides a brief review of some performance tests conducted on the new Internet Explorer 10 with the Metro interface. IE10 shows performance improvements, but is still the slowest on 3 out of the 4 graphs presented. The fourth graph, which represents animation capabilities, shows IE plus two other browsers tied for first place followed by Firefox in last place.

New Low Level JavaScript Interpreter to Boost WebKit Performance More Than 200%

Author: Daniel Eran Dilger.  Publisher: IT News Post.

Recent changes in Apple’s WebKit incorporate LLInt (Low Level Interpreter), which now makes the JSC (JavaScriptCore) a “triple tier virtual machine.” Performance varies significantly by platform.

It’s March Madness for Chrome and Internet Explorer

Author: Joe Wilcox.  Publisher: BetaNews.

This article provides an analysis for the author’s prediction of growth for Internet Explorer and trouble for Chrome.

Google Chrome, HTML5, and the new Web platform

Author: Anastasia.  Publisher: Boredom Guru.

This article discusses the reasons for Google’s impending redefinition of some basic terminology: “operating system,” “platform,” “kernel,” “browser,” “webapp,” and “website.” The article ends by asking whether this is a good thing.

Field Guide to Web Applications

Author: Bert Appward?  Publisher: Google?

This “book” explains its author’s vision of what a webapp should be: self-contained, interactive, engaging, rich user interface, similar to native apps, works offline, uses the capabilities of the device it runs on, client-side architectural model, hides traditional navigation techniques. It is presented in enough detail that a newbie would be able to understand.

There is a lot of buzz about this document, so you may want to consider it required reading.

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About Warren Gaebel

Warren wrote his first computer program in 1970 (yes, it was Fortran).  He earned his Bachelor of Arts degree from the University of Waterloo and his Bachelor of Computer Science degree at the University of Windsor.  After a few years at IBM, he worked on a Master of Mathematics (Computer Science) degree at the University of Waterloo.  He decided to stay home to take care of his newborn son rather than complete that degree.  That decision cost him his career, but he would gladly make the same decision again. Warren is now retired, but he finds it hard to do nothing, so he writes web performance articles for the Monitor.Us blog.  Life is good!

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