char code js code example

Example 1: javascript convert between string and ascii

let ascii = 'a'.charCodeAt(0); // 97
let char = String.fromCharCode(ascii); // 'a'

Example 2: how to return character associated to character code javascript

console.log(String.fromCharCode(65));
// expected output: "A"

Example 3: javascript charcode

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

const index = 4;

console.log(`The character code ${sentence.charCodeAt(index)} is equal to ${sentence.charAt(index)}`);
// expected output: "The character code 113 is equal to q"

Example 4: charcodeAt javascript

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

const index = 4;
// return the chartcode of the character with index N°4
const charcode= sentence.charCodeAt(index);
console.log (charcode);  
// expected output: "The character code 113 is equal to q"

// remember that charCodeAt return the code on ♦ keypress event ♦