const removeDuplicateChar = (str1) => { let newArr = []; let stringArr = str1.split(""); ...
const trim = (string) => { let strArr = string.split(""); let trimedStr = []; ...
// first Example const drop = (arr, n) => { for(let i = 0; i < n; i++) { ...
const removeFalsyValues = (arr) => { let truthy = [] for(let i = 0; i < arr.length;...