Ask someone who is visually impaired. I know that they historically use browsers that do not support JavaScript. I also am acquainted with one developer who uses software for reading his terminal outloud, although I never asked the specifics of what he uses for web browsing or IRC for that matter. I do know that he loves the iPhone.
replyThat said, I just found this post by a blind person who uses Lynx and complained about it the last time Google broke Lynx support: