//"const" for constants and
//"let" for letiables

//Int
let number = 42, otherNumber = 37;
const maxInt64 = Number.MAX_VALUE;
const Mb = 1_048_576;

//Double
const exp = 2.71828;
let billion = 1E+9;

//Float
const pi = 3.14;

//String
const greeting = "Hello";

//Multiline String
let text = "this is some\n" +
    "multiline text";

//ECMAScript 6 Multiline String
let multiLine = `this is some
multiline text`;

//Bool
const sunIsStar = true;
let earthIsStar = false;

//Character "A"    
const charA = 'A'; //'\u0041'

console.log('\u0041');