<!DOCTYPE html>
<html>
<body>
<h1>JavaScript 配列</h1>
<h2>sort()メソッド</h2>
<p>配列を降順に並べ替えます。</p>
<p id="demo1"></p>
<p id="demo2"></p>
<script>
const points = [40, 100, 1, 5, 25, 10];
document.getElementById("demo1").innerHTML = points;
points.sort(function(a, b){return b - a});
document.getElementById("demo2").innerHTML = points;
</script>
</body>
</html>
