script-tipos-de-dados.js

var myName = "Fabio" //string

var age = 34 //number

var height = 1.65 //number

null
undefined

var isStudent = false //boolean

// Object, array e function

var person = {
    "name"  :   "Simara",
    "age"   :   32
}

var students = ["Fabio", "Jonny", "Bob"];

function sum(a,b) {
    return a + b
}

console.log(sum(10,3));

//Operador typeOf
var isStudent = true
var objeto = null
console.log("person", typeof person)
console.log("students", typeof students)
console.log("objeto", typeof objeto)
console.log("sum", typeof sum)
console.log("32", typeof 32)
console.log("isStudent", typeof isStudent)