DNature

function LinkedList(){
  this.length = 0;
  this.head = null

  const Node = function(element) {
    this.element = element
    this.next = null
  }

  this.add = (element) => {

DNature

function HashTable(){
  this.table = new Array(3)
  this.itemsLength = 0

  this.hashStringToInt = (str, tableSize) => {
    let hash = 13

    for (let i = 0; i < str.length; i++){
      hash = (13 * hash * str.charCodeAt(i)) 
    }

DNature

function matchParenthesis(str){
  const stack = []

  const opening = /(\(|\{|\[)/
  const closing = /(\)|\}|\])/

  if(!str || !str.length) return undefined
  

  for(let i = 0; i  < str.length; i++){