How to extract a character from a string in js code example

Example 1: javascript get character from string

// (ES6 / ES2015)+ way of doing it
const str = "Hello World!";
const chars = [...str];

// Pre-ES2015 way of doing it
var chars2 = str.split("");

Example 2: javascript get character from string

const str = "Hello World";
const firstCharacter = str.charAt(0);