const removeFromArray = function(arr, ...removeItems) { let duplicateArray = arr; console.log('arr duplicates', duplicateArray); for (let i=0; i < removeItems.length; i++) { for (let j=0; j < arr.length; j++) { if(removeItems[i] === arr[j]){ duplicateArray.splice(j, 1); } } } return duplicateArray; }; removeFromArray([1, 2, 3, 4], 1, 2, 4); removeFromArray([1, 2, 3, 4], 3); removeFromArray([1, 2, 3], "1", 3) removeFromArray([1, 2, 3, 4], 1, 2, 3, 4) module.exports = removeFromArray;