_.uniq = function(array, isSorted, iterator) { var uniqueArray = []; var storeObj = {}; var iteratorArray = []; _.each(array, function(item, index) { if (iterator) { iteratorArray.push(iterator(item)); } else { iteratorArray.push(_.identity(item)); } }); _.each(iteratorArray, function(item, index) { if (storeObj[item] === undefined) { storeObj[item] = array[index]; } }); for(var key in storeObj) { uniqueArray.push(storeObj[key]); } return uniqueArray; };
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