This talk is not about "transpiling" Smalltalk to JavaScript. Smalltalk is just used as a handy example to drive the presentation. I have added the slide to avoid confusion.
All I get is this, with no scrolling or anything:<p><a href="http://i.imgur.com/2Ssdub4.jpg" rel="nofollow">http://i.imgur.com/2Ssdub4.jpg</a>