switch语句的使用

最新推荐文章于 2025-06-21 22:41:41 发布

s_psycho

最新推荐文章于 2025-06-21 22:41:41 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/weixin_42413689/article/details/80924730

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<script>
    var num=prompt("输入0-100的分数");
    switch (true){
        case num<60:
            document.write("不合格");
            break;
        case num<70:
            document.write("一般");
            break;
        case num<90:
            document.write("良好");
            break;
        case num<100:
            document.write("优秀");
            break;
        default:document.write("输入正确的分数")
    }
</script>
</body>
</html>