微软发布 IE9平台预览第四版

微软今天公布了IE9平台预览4 版本。此版本也是Beta公测版发布之前的最后一个预览版。期待正式版本。

引自：http://www.javaeye.com/news/17183

点击查看demo和测试：http://ie.microsoft.com/testdrive/

IE9可以通过Windows使用全硬件加速所有图片和文本渲染，全新的Chakra JavaScript引擎以及对HTML5、CSS3、SVG 1.1和DOM等现代标准的支持能为开发人员带来前所未有的体验。

新特性：

    • IE9 User Agent String
    • getElementsByClassName
    • characterSet
    • CSS3 Media Queries
    • HTML5 Events
    • DOMContentLoaded
    • DOM Core
    • DocumentType, ProcessingInstruction, createDocument
    • DOM Traversal
    • DOM L3 Events
    • DOMAttrModified, Composition events
      Features Partially Implemented :

  • DataURI

  • -Support in script source
    Developer Tools Features Available :

  • User Agent String Picker

  • A new tool that can be used to change the user agent string that IEsends with every request. The tool comes with some built in presets andnew custom user agent strings can be added.
  • Console Tab
  • The console window is now a full tab and has been expanded to include the logging of diagnostic information from IE.
  • Network inspection improvements
  • Shortened URL
  • Color coding for errors
  • Scaling units (eg. 500 ms becomes 0.5 s)

IE9 Test Drive官方网站：

http://ie.microsoft.com/testdrive/

发布文档：

http://ie.microsoft.com/testdrive/info/ReleaseNotes/Default.html