seokany

/*
* In this exercise, you are required to, given a string, replace every letter with its position in the alphabet. 
*  If anything in the text isn't a letter, ignore it and don't return it. a being 1, b being 2, etc. 
*/
// My attempt
let alphabetPosition = function(str) {
  // console.log를 통해 내가 원하는 제일 원초적인 ouput을 구한다.
  // console.log(str.toLowerCase().charCodeAt(0) - 96 // --> output(T) 20 
  let arr = str.toLowerCase().split("");
  let result = "";