Let It Snow… Faster!

In the spirit of the holiday season, we offer a new HTML5 experience that makes the most of your PC hardware and the new touch capabilities in Windows 8. Check out Let It Snow and get ready for a GPU-powered snow storm. This experience brings together hardware-accelerated HTML5 canvas, SVG, CSS, and more. On Windows…


Updated Look for IEBlog

Today we introduce an updated look and layout for the IEBlog. Here’s an overview of the design and layout changes we made: New font family – We’re using the Segoe UI font to align with Windows 8 Metro style. New color scheme – We have a new color scheme inspired by the Windows 8 Metro…


Interoperable HTML5 Quirks Mode in IE10

The fourth IE10 platform preview includes enhanced HTML5 support by using an interoperable quirks mode based on the behavior defined in HTML5. This HTML5-based quirks mode is the default quirks mode in IE10. Users and Web developers want sites to just work across browsers. A key part of this is making HTML, CSS, and JavaScript…


IE 9.0.4 Available via Windows Update

The December 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update. This security update resolves three privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user visits a specially crafted Web page using Internet Explorer. An attacker who successfully exploited this vulnerability could…


Media Capture API: Helping Web developers directly import image, video, and sound data into Web apps

Last March, we released a prototype implementation of the audio portion of a working draft of the W3C Media Capture API on HTML5 Labs. This prototype publicized some proposed API enhancements described in section 6.1 of Microsoft’s HTML Speech XG Speech API Proposal. We have now updated the prototype to include the image and video…


Moving to Standards-based Web Graphics in IE10

Users expect to visit any site on the Internet with any browser and enjoy a similar quality experience. We first discussed Internet Explorer’s commitment to achieving the goal of consistent “same markup, same results” across browsers in a post on March 16, 2010 announcing the release of the IE9’s first platform preview. IE9 moved us…


Working with Binary Data using Typed Arrays

With HTML5 comes many APIs that push the envelope on user experiences involving media and real-time communications. These features often rely on binary file formats, like MP3 audio, PNG images, or MP4 video. The use of binary file formats is important to these features to reduce bandwidth requirements, deliver expected performance, and interoperate with existing…


HTML5 for Applications: The Fourth IE10 Platform Preview

An updated platform preview of IE10 for the Windows Developer Preview is now available for download. This IE10 preview adds even more support for HTML5 technologies, enabling richer Web applications with significantly improved performance. IE10’s hardware acceleration of technologies like SVG, CSS3 transforms and animations delivers faster rendering than other browsers, as highlighted in this…


Evolving ECMAScript

For the Web and Web applications to keep making progress, the programming language of the Web must continue to improve. Today’s JavaScript standard lacks a few basic objects and library helpers that are vital for building rich, world-wide Web applications. Last week at the Ecma TC39 meeting at Apple’s campus in Cupertino, Microsoft shared reference…


Adding Personality with CSS3 Transitions and Animations

Advancements like high-performance compiled JavaScript and hardware-accelerated rendering of HTML5 and CSS3 in Internet Explorer 9 and 10 allow Web developers to create richer and richer experiences. Two related features, CSS3 Transitions and CSS3 Animations, give Web developers a declarative way to add personality to Web page interactions easily. This blog post describes these two…