Microsoft Releases Final IE9 Preview Version

Posted: August 8, 2010 in Tech

Microsoft has made the fourth platform preview of Internet Explorer 9 available to developers. One of the most important upgrades of the new platform, is the addition of HTML5, while it also shows modern SVG and native JavaScript integration in action.

Dean Hachamovitch, general manager, Internet Explorer, talked about some of the other important updates on a post in a Microsoft blog post: “The fourth Platform Preview of Internet Explorer 9, available now, shows the opportunity of fully hardware-accelerated HTML5. You can run new test drive samples that show modern SVG and native JavaScript integration in action.

“It moves the new JavaScript engine, codenamed Chakra, inside IE9 and brings them together into one single, integrated system. Through this deep integration, the performance of real world websites significantly improves, and IE9 becomes the first browser to have a shared DOM between the browser and the script engine based on ECMAScript5. The benefits start with real-world performance and consistency. Platform Preview 4 also continues improvements to the JavaScript engine itself.”

“Platform Preview 4 is an important milestone on the way to beta. It is the last preview before the IE9 Beta. The IE9 platform is nearly complete,” concluded Hachamovitch.

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