I am failing at test case 23 and looks like the it is failing for function

var timesFive = function () { var five = 5; return function (a) { return five * x; }; }();

I am getting x is undefined error.

I do not know how it is invoked but isn't it "return function (x)" instead of "return function (a)"?
Please check.

It is a great kata and helped me learn some less known components in javascript (y)

Neat. Thank you for the explanation (y)

I am able to pass most of the tests, but it fails for a big number with ans = "689".
Looks like the answer is beyond javascript number limit. Have anyone completed this successfully in javascript? Or am I missing something?

Expected: 689, instead got: NaN
21 Passed
1 Failed
0 Errors

[a,b] assignment (y)

That is clever!

Ninja!