<!DOCTYPE html>
<html>
<body>
<h2>JavaScript スコープ</h2>
<p><b>carName</b>はmyFunction()の外ではundefinedです。</p>
<p id="demo1"></p>
<p id="demo2"></p>
<script>
myFunction();
function myFunction() {
let carName = "ボルボ";
document.getElementById("demo1").innerHTML = typeof carName + " " + carName;
}
document.getElementById("demo2").innerHTML = typeof carName;
</script>
</body>
</html>
