Currently Svetka can only evaluate JS expressions (via browser’s JS engine) and invoke non-static methods of your AS objects.
Svetka has been tested on Firefox 2.0.0.14 and IE 7.0.5730.11. Also it has been tested on Opera 9.24 but it worked a bit unstable. The best performance has been achieved on IE but no full-fledged performance testing has been done yet.
Now let’s get familiar with Svetka’s architecture. Having read about the architecture you’ll understand why some of the limitations appear to be.