Created
January 25, 2017 00:14
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reduce_last.js
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| _.reduce = function(collection, iterator, accumulator) { | |
| for (var i = 0; i < collection.length; i++) { | |
| accumulator = iterator(accumulator, collection[i]); | |
| } | |
| if (accumulator === undefined) { | |
| return collection[0]; | |
| } | |
| return accumulator; | |
| }; | |
| //should pass the second item of the array into the iterator first if a memo is not passed in |
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