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- <!DOCTYPE html>
- <html lang="en">
- <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>Document</title>
- <script>
- /*
- 对于成绩大于60分的,输出“合格”。低于60分的,输出“不合格”
- */
- var score = +prompt('请输入分数:');
- //方法一:
- // switch(parseInt(score/10)){
- // case 10:
- // case 9:
- // case 8:
- // case 7:
- // case 6:
- // console.log('合格');
- // break;
- // default:
- // console.log('不合格');
- // }
- //方法二:js中独有的写法
- switch (true) {
- case score >= 60:
- console.log('合格');
- break;
- default:
- console.log('不合格');
- }
- /*
- 从键盘接收整数参数,如果该数为1-7,打印对应的星期,否则打印非法参数
- */
- var num = +prompt("请输入整数:");
- switch (num) {
- case 1:
- console.log('星期一');
- break;
- case 2:
- console.log('星期二');
- break;
- case 3:
- console.log('星期三');
- break;
- case 4:
- console.log('星期四');
- break;
- case 5:
- console.log('星期五');
- break;
- case 6:
- console.log('星期六');
- break;
- case 7:
- console.log('星期日');
- break;
- default:
- console.log('输入的数字非法');
- break;
- }
- </script>
- </head>
- <body>
- </body>
- </html>
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