index.html
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>My JavaScript</title>
</head>
<body>
<script src="main.js"></script>
</body>
</html>main.js
'use strict';
{
const scores = [
70,
95,
80,
85,
];
// console.log(scores[0]);
// console.log(scores[1]);
// console.log(scores[2]);
// console.log(scores[3]);
scores.push(77, 88);
for(let i = 0; i <= 4; i++){
console.log(scores[i]);
}
}