Screencapture from the browser using Javascript?

Question

I guess this is an odd one, and the answer is most likely it is not possible since it would represent a security breach; but I am looking for a way - if any - to get a scree

Answer 1

It cannot be done (yet) in pure JavaScript.

As a side-note, if your goal is to make rendering tests, you could try instantiating the target browsers within a hosted environment (i.e. host Internet Explorer in a WinForms application and get a screenshot of the rendered content) - this will show the Silverlight plug-in and allow taking screenshots.