IE10 Preview

The IE10 Platform Preview Guide for Developers provides an early look at the developer features coming to the next version of Internet Explorer. By using the documentation and samples in this guide, web developers and designers can prepare to use these new features. To download and install Internet Explorer Platform Preview, see the Internet Explorer Test Drive site.


his version of the Internet Explorer Platform Preview contains support for the following developer features:

  • Cascading Style Sheets (CSS)
    • CSS3 Flexible Box (“Flexbox”) Layout
    • Positioned floats
    • CSS3 Gradients (on all properties that accept images)
    • CSS3 Grid Alignment
    • CSS3 Multi-column Layout
    • Removal of style sheet limits
  • Document Object Model (DOM) support
    • Advanced Hit testing APIs
    • CSSOM Floating Point Value support
    • Media Query Listeners
  • ECMAScript 5 (ES5) support
    • The strict variant of ECMAScript (“ES5 strict mode”)
  • HTML5 support
    • Asynchronus Script Execution
    • Drag and Drop
    • File API
    • Forms Validation
    • Sandbox
    • Web Workers



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