charCodeAt

• 모질라 : https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt

'ABC'.charCodeAt(0); // returns 65

const sentence = 'The quick brown fox jumps over the lazy dog.';

sentence.charCodeAt(4);
// 114 (q에 대응되는 UTF-16 코드 값)