alternate concat
by thewolff
JavaScript
const arr2 = [1,2,3]
const arr1 = ['a','b','c']
const alternateMe = (list1, list2) => {
let newArr = [];
for (var i = 0, len = list1.length; i < len; i++) {
newArr.push(list1[i]);
newArr.push(list2[i]);
}
return newArr;
}
console.log(alternateMe(arr1, arr2));