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Microsoft Unveils First Internet Explorer 10 Preview.

Microsoft Planning to Launch Internet Explorer 10 with windows 8!

Microsoft has released the first platform preview for Internet Explorer 10, less than a month after the launch its much-hyped Internet Explorer 9 browser.

The technology giant unveiled IE10 earlier today at its Mix11 developer conference in Las Vegas. The preview, which is now available
for download
, isn’t a reinvention of the browser (Microsoft’s goal with IE9), but rather a continuation of the work it did in hardware acceleration, HTML5 and CSS3.

“IE10 builds on full hardware acceleration and continues our focus on site-ready Web-standards,” said Dean Hachamovitch, IE’s corporate vice president, in an announcement. “This combination enables developers to deliver the best performance for their customers on Windows while using the same, Web-standard markup across browsers.”

Hachamovitch said that Microsoft is only three weeks into IE10′s development, but it’s already comfortable showing off what it has built so far. On stage at the Mix11 conference, he demonstrated some of its capabilities against Google’s Chrome browser and revealed that IE10 will include additional support for CSS3, including Gradients and the Flexible Box layout. Additional IE10 previews will be rolling out every eight to 12 weeks.
Microsoft released IE9 on March 14 after 40 million downloads during its beta. IE9 has been well received: At its peak, IE9 was downloaded 27 times per second. Still, Microsoft knew that it couldn’t rest on its laurels. Mozilla’s Firefox 4 browser was downloaded 5,000 times per minute during its first day of availability, and Google Chrome is already at version 11.Internet Explorer will comes with better security and lots of improvement in browsing experience ever. Microsoft have not leaked that when it will be exactly for public but it makes guarantee about its speed of surfing will be faster and better then any other web browser. download the beta version now !.
When Microsoft released Internet Explorer 9.0, we hoped it would mark the end of their traditional 2-year release schedule. Less than one month later, the company has announced their plans for IE10 and released aPlatform Preview download.
Unlike previous chunky updates, IE10 currently offers a few minor improvements over IE9…

New CSS3 Properties

IE10 will support CSS3 gradients (W3C Draft Specification) and the following properties can be applied to element backgrounds:
  • -ms-linear-gradient
  • -ms-radial-gradient
  • -ms-repeating-linear-gradient
  • -ms-repeating-radial-gradient
Usefully, Microsoft has provided a CSS Gradient Background Maker on their Test Drive website.
If floated elements are causing you grief, IE10 will offer several alternative layouts methods:
  • CSS3 Flexible Box Module — or “Flexbox” (W3C Draft Specification)
  • CSS3 Multi-column layouts (W3C Draft Specification)
  • CSS3 Grid Alignment (W3C Draft Specification)
Flexbox and multi-column layouts are supported in other browsers (with vendor prefixes), so the technologies should become feasible if you’re happy to accept a downgraded appearance in IE9 and below. Assuming no other vendors beat Microsoft, IE10 will be the first browser to support Grid Alignment.
Look out for more CSS3 layout tutorials on SitePoint soon.

JavaScript (ECMAScript 5) Strict Mode

A new use strict; command puts your code into strict mode. This offers more robust parsing, improved error checking, and will highlight potential compatibility issues with future editions of the language.

New User Agent

IE10′s new user agent string is:
  1. Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)  
It will be interesting to see if IE befalls the same issue Opera encountered when moving to version 10. They discovered many sites using flawed browser sniffing techniques which only parsed the first digit, assumed the browser was Opera 1, and degraded or blocked the site. To counteract the problem, Opera uses the version 9.80 in its User Agent string.
While browser sniffing stinks, it’s enjoyed a recent resurgence in popularity as developers start supporting mobile devices. Perhaps it’s time to double-check your code?

When Will IE10 be Released?

Microsoft has not committed to a date. There are rumors that beta 1 will appear during September 2011 with the final edition appearing in March 2012 — 12 months after IE9′s launch. That seems a little sedate given the small number of improvements. Perhaps Microsoft will surprise us with an earlier release or additional features? (HTML5 forms please!)
Whatever happens, Microsoft seems likely to break their 2-year release rut.

IE10 Platform Preview 2 official
Released June 29th 2011

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