IEBlog

Windows Internet Explorer Engineering Team Blog

July, 2011

  • IEBlog

    HTML5 Parsing in IE10

    • 99 Comments
    The Web is better when developers can use the same markup and same code across different browsers with the same results. The second platform preview of IE10 makes progress in this area by fully supporting the HTML5 parsing algorithm. This continues work we started in previous releases to improve IE’s HTML parser to make more HTML “just work” in the same way across browsers. Some key examples include supporting SVG-in-HTML, supporting HTML5 semantic elements, preserving the structure of unknown...
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    Defense in Depth: Locking Down Mash-Ups with HTML5 Sandbox

    • 50 Comments
    The Web is better when developers can build safer experiences in their sites. With each release of Internet Explorer, we’ve led the way with improvements to the browser to help ensure a safe and secure browsing experience. Now IE10 Platform Preview 2 includes full support for HTML5 Sandbox technology that allows developers to further lockdown mash-up content on their sites. HTML5 Sandbox allows developers to further reduce the privileges of portions of their pages. To use it, it’s as simple as adding...
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    HTML5 Drag and Drop in IE10 PPB2

    • 50 Comments
    Drag and drop is a user interaction model that we all use on a day to day basis, probably without giving it much thought. We drag files from one folder to another, text from one area of a document to another, and PowerPoint slides from one place in the presentation to another. HTML5 Drag and Drop , available in IE10 Platform Preview 2, brings this natural, familiar behavior to the Web. Magnetic Poetry on the IE Test Drive site is example of a site that uses HTML5 Drag and Drop to...
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    Web Workers in IE10: Background JavaScript Makes Web Apps Faster

    • 24 Comments
    Responsive Web pages result in happier consumers. With Web workers, Web applications are more responsive by offloading complex JavaScript algorithms to run in the background. For example, in this test drive ( link ), you can see that offloading the work to calculate movement of water in the fountains via Web workers makes the main page more responsive for consumers: This video shows Web Workers in action in the second IE10 Platform Preview. For a closer look at the code behind this demo, watch...
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    Using PC Hardware more efficiently in HTML5: New Web Performance APIs, Part 2

    • 19 Comments
    Web developers need API’s to efficiently take advantage of modern PC hardware through HTML5, improving the performance of Web applications, the power efficiency of the Web platform, and the resulting customer experience. The second IE10 Platform Preview supports emerging API’s from the W3C Web Performance Working Group which enable developers to make the most of the underlying hardware and use battery power more efficiently. This post details how to use Page Visibility , one of the...
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    Debugging Web Workers in IE10

    • 17 Comments
    With Web Worker s, Web applications can be more responsive by offloading long-running, complex JavaScript algorithms to run in the background. IE10 includes a complete and predictable debugging experience for JavaScript executing within both the Web page and in Web workers. In IE10, we’ve enhanced the F12 tools to be aware of the new script contexts created for every Web worker. When you start debugging (by clicking the Start debugging button within the F12 tools), you’re attaching to...
  • IEBlog

    Using PC Hardware more efficiently in HTML5: New Web Performance APIs, Part 1

    • 16 Comments
    Browsers need amazing performance to deliver on the promise of HTML5 applications. Web developers need API’s to efficiently take advantage of modern PC hardware through HTML5 and build high performance Web applications with efficient power use for great, all around customer experiences. The second IE10 Platform Preview supports three emerging API’s from the W3C Web Performance Working Group which enable developers to make the most of the underlying hardware and use battery power more...
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