ji-求用户输入最大值
2019-04-27 本文已影响0人
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>求用户输入最大值</title>
<script>
var max = -Infinity;
for (var i = 1; i <= 3; i++) {
var shu = +prompt('请输入3组数字计算最大值 第' + i + '组');
if (shu > max) {
max = shu;
}
}
alert('最大值为：' + max);
var max = Infinity;
for (var i = 1; i <= 3; i++) {
var shu = +prompt('请输入3组数字计算最小值 第' + i + '组');
if (shu < max) {
max = shu;
}
}
alert('最小值为：' + max);
</script>
</head>
<body>
</body>
</html>
