Adding Touch and Gesture Detection to Web Pages on iPhone OS

Safari on iPad literally puts the Web right in your hands. See how to enable direct manipulation of web content using the DOM Touch JavaScript API to detect touch and gesture events such as pinch and rotation. Learn to augment your web content with the kinds of rich interactions that you typically see in native applications, and see how to integrate DOM touch events with other prominent cutting-edge web technologies.

WWDC 2010 - iOS