<!DOCTYPE html>
<html>
<body>
<h2>JavaScript 定数</h2>
<p>定数配列を再割り当てすることはできません。</p>
<p id="demo"></p>
<script>
try {
const cars = ["Saab", "Volvo", "BMW"];
cars = ["Toyota", "Volvo", "Audi"];
}
catch (err) {
document.getElementById("demo").innerHTML = err;
}
</script>
</body>
</html>
