// compose(f1, f2)(f3)(f4)([1, 2, 3]) => f4(f3(f2(f1([1,2,3])))) // function compose() { //todo const argArr = Array.from(arguments); return function fn(...args) { return fn.call(null,) } } function f1(args) { return args.map((a) => a * 1); } function f2(args) { ...