your code is wrong : the lenght property on digits doesn't exist, so the first condition is useless... and if you had correcctly spelled the length property, your solution wouldn't have passed.

The translator is Giacomo (his i is global) and now it is impossible to change something because of the 500+ guys who passed JS kata.

I think you both used global i.

Beginning of JS random tests:

for (i=0;i<40;i++){

I just passed the JS kata and got
Passed: 49 Failed: 0

Description says:

that checks whether the two arrays have the "same" elements, with the same multiplicities.