const n = 6104; // Number
console.log(typeof n)
const s = "javascript"; // string
console.log(typeof s)
const o = {first:"abc", second:"xyz"}; // object
console.log(typeof o)
const b = false; // boolean
console.log(typeof b)
const arr = ["HTML", "CSS", "JS"]; // object
console.log(typeof arr)
// typeof x; // undefined
console.log(typeof x)
const nl = null; // object
console.log(typeof nl)
const bi = 900719925124740n; // bigint
console.log(typeof bi)
/*
run:
number
string
object
boolean
object
undefined
object
bigint
*/