21 lines
491 B
JavaScript
21 lines
491 B
JavaScript
/**
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* A specialized version of `_.sum` for arrays without support for callback
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* shorthands and `this` binding..
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*
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* @private
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* @param {Array} array The array to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @returns {number} Returns the sum.
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*/
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function arraySum(array, iteratee) {
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var length = array.length,
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result = 0;
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while (length--) {
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result += +iteratee(array[length]) || 0;
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}
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return result;
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}
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module.exports = arraySum;
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