how to get the ascii equialent of a string in js code example

Example 1: javascript convert between string and ascii

let ascii = 'a'.charCodeAt(0); // 97
let char = String.fromCharCode(ascii); // 'a'

Example 2: character to ascii in js

'a'.charCodeAt(0)//returns 97, where '0' is the index of the string 'a'