<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="initial-scale=1.0">
<title>sum関数</title>
<script>
/*
* 合計
* @param array values
* @return number
*/
function sum(values){
var sum = 0;
for(var index = 0; index < values.length;index++){
document.write('<p>' + sum + 'に' + values[index] + 'を足します</p>');
//ここで計算を行う☆
document.write('<p>' + (index + 1) + '回目の合計値は' + sum + '</p>');
}
return sum;
}
</script>
</head>
<body>
<h1 id="title">sum関数</h1>
<script>
var nums = new Array(2,6,3,5,1);
//結果出力☆
var result = nums;
document.write('<p>合計は' + result + 'です</p>');
</script>
</body>
</html>