Internet Explorer Platform Preview Guide for Developers

IE10 Platform Preview 2: June 29, 2011

This is a preliminary document and may be changed
substantially prior to final commercial release of the software described
herein.

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.

This topic contains the following sections:

Contents

What’s in the Guide

About the Platform Preview

Compatibility Modes

Compatibility
View List

User-agent
String

Sending
Feedback

Revision History

Cascading Style Sheets
(CSS)

CSS3 Flexible Box
(“Flexbox”) Layout

Positioned
Floats

CSS3
Gradients

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
Strict Mode

The strict
variant of ECMAScript (“ES5 strict mode”)

HTML5 support

Asynchronus
Script Execution

Drag and
Drop

File
API

Forms
Validation

Sandbox

Web
Workers

Web performance
APIs