<!DOCTYPE html>
<html>
<body>
<h2>配列のループ</h2>
<p id="demo"></p>
<script>
const myJSON = '{"name":"John", "age":30, "cars":["Ford", "BMW", "Fiat"]}';
const myObj = JSON.parse(myJSON);
let text = "";
for (let i = 0; i < myObj.cars.length; i++) {
text += myObj.cars[i] + ", ";
}
document.getElementById("demo").innerHTML = text;
</script>
</body>
</html>
