JSFiddle - React, Tailwind, and code Playground
by Qwerty_Wasd
JavaScript
let alphabeth = Array.from({ length: 33 }).map((v, i) => String.fromCharCode("а".charCodeAt(0) + i)).join``;
alphabeth += alphabeth.toLocaleUpperCase() + " .!?,-:();'\"";
let message = "Юстас - Алексу!";
console.log(alphabeth);
console.log([...message].map(v => alphabeth.indexOf(v)));
console.log([...message].map("".indexOf, alphabeth));
console.log([...message].map("".indexOf.bind(alphabeth)));
console.log([...message].map([].indexOf, alphabeth));
console.log([...message].map([].indexOf.bind(alphabeth)));