for loop simplify in array pair sum case
yuanyan opened this issue · comments
Y2 commented
https://github.com/blakeembrey/code-problems/blob/master/array-pair-sum/array-pair-sum.js#L10
for (var i = 0; i < (hash[k - number] || 0); i++) {
can be simplified as
for (var i = 0; i < hash[k - number]; i++) {