Yes, you can painlessly set a click event on a .swf file
No, you don't have to touch ActionScript or manipulate object params in the DOM if you don't want to. Spoiler alert, mousedown.
How to display a fixed element only while the user is scrolling
Certain navigation elements are only useful to users when they're looking for new content. The following is a simple tutorial for making an element fade in as the user scrolls and fadeout as they pause to read.
The answer is simple, but 'e' confused me for a while. Here's a practical explanation, along with a few code samples and resources for further reading.
Tips for wrapping your head around prototypal inheritance
Don't start learning TypeScript with the spec
Typescript isn't very well documented yet, but the official spec isn't all we've got. Here's where I'd recommend you get started.