1) Destructuring assignment: http://coffeescript.org/#destructuring http://coffeescript.org/#destructuring (although they lack an object example). 2) This has

1) Destructuring assignment: http://coffeescript.org/#destructuring http://coffeescript.org/#destructuring (although they lack an object example). 2) This has to do with the unary plus operator more than just cs - since +varname is an expression, it treats it as such. Fair complaint - I've never run into that. Also, this works just fine if you put the plus on the end of the first line: a = long_var_name + hey_another_var 3) When would you use those? 4+5) Are cases of the unary operator in 2) 6-10) Sure, this is limiting if you want to write switch statements like that. I feel that your coding style is different, or that you're listing edge cases to be contrarian. Coffeescript has a much smaller range of syntax deviations but that's part of what allows it to be so brief and clean.