<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<h2>JavaScript Arrays</h2>
<p>JavaScript array elements are accessed using numeric indexes (starting from 0).</p>
<p id="demo"></p>
var cars = ["", "", "", "", ""];
cars[0] = prompt("Digite o carro", "Aqui");
cars[1] = prompt("Digite o carro", "Aqui");
cars[2] = prompt("Digite o carro", "Aqui");
cars[3] = prompt("Digite o carro", "Aqui");
cars[4] = prompt("Digite o carro", "Aqui");
document.getElementById("demo").innerHTML = cars;