> "It's not acceptable to require it to replace basic functionality like links, navigation, scrolling, etc. in an inaccessible way." This depends on what you'r

> "It's not acceptable to require it to replace basic functionality like links, navigation, scrolling, etc. in an inaccessible way." This depends on what you're building. For websites, you are absolutely correct. For web applications, however, it is acceptable to use JavaScript for every jot & tittle. Take, for instance, 280 Slides; there is no graceful degradation for an application of that complexity & power. You either use it or you don't.