JSFiddle - React, Tailwind, and code Playground

JavaScript

let first = 'Сcccc';
let second = 'Ccccc';
console.log(first.startsWith('C'));
console.log(second.startsWith('C'));
console.log(first.charCodeAt(0)); // 1057- С
console.log(second.charCodeAt(0)); // 67 - C