What is threaded compositing?
It was referred to in a recent Paul Irish Post as a means to produce iOS-like scrolling:
I searched chrome about:flags but wasn't able to find what Paul was referring to. I assume it has something to do with how elements are rendered but I'm interested in if/how compositing can be tackled programmatically (in JavaScript?).
At this point, threaded compositing is an experimental feature, and thus is only available in the dev or canary channel. If you'd like to try this feature out, you can download a Chrome build in the dev or canary channel.
About the feature itself, it is described as follows on chrome://flags/:
Uses a secondary thread to perform web page compositing. This allows smooth scrolling, even when the main thread is unresponsive.