<!DOCTYPE html>
<html>
<body>
<h2>Cadastro de pessoas</h2>
<p id="demo"></p>
<script>
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;
</script>
</body>
</html>