area: (x, y, x1, y1) -> (x - x1) * (x - y1) x: y: 10 x1: y1: 20 ok area(x, y, x1, y1) is 100, 'basic arguments' ok(area(x, y, x1, y1) is 100, 'arguments on split lines') ok(area( x y x1 y1 ) is 100, 'newline delimited arguments') curried: -> ok area.apply(this, arguments.concat(20, 20)) is 100, 'arguments converted into an array' curried 10, 10 func: -> arguments: 25 arguments ok func(100) is 25, 'arguments as a regular identifier' this.arguments: 10 ok @arguments is 10, 'arguments accessed as a property'