IEBlog

Windows Internet Explorer Engineering Team Blog

July, 2012

  • IEBlog

    IE10 User Agent String Update

    • 70 Comments
    The IE10 user agent string was originally introduced in the first platform preview of IE10. In Windows 8 Release Preview we made two additions to aid server-side feature detection. The first addition enables detecting whether a machine has touch-capable hardware via a new Touch token. Using this token you can present a touch-friendly version of your site to users with touch-capable hardware (typically, in the case where your normal site is not touch-friendly). Keep in mind that...
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    Web Performance APIs Rapidly Become W3C Candidate Recommendations

    • 58 Comments
    We’re pleased to share that three new W3C Web Performance Working Group specifications moved to W3C Candidate Recommendations. Accurately measuring the performance characteristics of Web applications is critical to making the Web faster. In addition, developers need the ability to effectively use the underlying hardware to improve the performance of their applications. Over the last two years, companies including Microsoft, Google, Mozilla, Intel, and Facebook have been working toward these...
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    New Blob Constructor in IE10

    • 50 Comments
    IE10 in Windows 8 Release Preview adds support for a Blob constructor . We earlier wrote about and demonstrated IE10’s support for a BlobBuilder interface , an in-progress interface in the File API: Writer W3C Working Draft . This interface enables developers to work with files on the client PC. Recently, the W3C working group deprecated the BlobBuilder interface in favor of a new Blob constructor . This post explains the differences between the two. Comparing Blob Constructor and BlobBuilder...
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    IE 9.0.8 Available via Windows Update

    • 30 Comments
    The July 2012 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves two privately reported vulnerabilities in Internet Explorer. The vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. An attacker who successfully exploited any of these vulnerabilities could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on...
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    XMLHttpRequest responseXML in IE10 Release Preview

    • 24 Comments
    IE10 in Windows 8 Release Preview updates the responseXML from an XMLHttpRequest to return a native XML document by default. This change applies to IE10’s Standards and Quirks document modes, making them interoperable with other modern browsers and consistent with a “same markup” approach. Compatibility document modes 5, 7, 8, and 9 are unchanged. This change may impact sites that were expecting responseXML to contain an MSXML document and depended on MSXML-specific functionality...
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