JSFiddle - React, Tailwind, and code Playground

by Jessie Lau

JavaScript

function NumberEncoding(str) { 
    var final = "";
    var letters = ["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"];

    for(var i = 0; i < str.length; i++){
        for(var j = 0; j < letters.length; j++){
            if(str[i] === letters[j]){
                final += letters.indexOf(letters[j+1]);
                break;
            }
            else{
                final += str[i];
            }
        }
    }
    return final;
}
console.log(NumberEncoding("h"));