Great job, doesn't work in Opera! And what's more, it fails silently so I just spent 5 minutes wasting my time to see when this app would start different from a

Great job, doesn't work in Opera! And what's more, it fails silently so I just spent 5 minutes wasting my time to see when this app would start different from a plain text area in a bright minimalist layout (that doesn't tell anything about the functionality one is supposed to expect), it wasn't until I read the discussion here that I fired up Chrome.