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ryanjadhav/nestedNumberArray.js

Created February 12, 2014 21:05
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Sum of Nested number array
Raw
nestedNumberArray.js
var nestedNumbers = [1,2,3,[1,2,3,[12]]];
var sumOfArray = function(arr, sum) {
for (var i = 0; i < arr.length; i++) {
if (typeof arr[i] === 'object' && arr[i].length) {
sum = sumOfArray(arr[i], sum);
} else {
sum += arr[i];
}
}
return sum;
};
console.log(sumOfArray(nestedNumbers, 0));
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