For others who were confused like me: the title refers to argument order that is easy to write in CoffeeScript, not the (non-existent) "friendly argument order" feature of CoffeeScript.
Oops that was meant to be (CoffeeScript friendly) argument order, not CoffeeScript (friendly argument order). English needs better operator precedence.
Thanks
A hyphen would be useful here: “CoffeeScript-friendly argument order”.