ASCII: ASCII, short for American Standard Code for Information Interchange, is a character encoding standard used in computers to represent text. It assigns a numeric value to each character, which is universally recognized by machines.
The charCodeAt() Method: This method is called on a string and returns the ASCII code of the character at a specified index.
const letter = "A";console.log(letter.charCodeAt(0)); // 65
The fromCharCode() Method: This method converts an ASCII code into its corresponding character.
const char = String.fromCharCode(65);console.log(char); // A