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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">
- <title>Document</title>
- </head>
- <body>
- <script>
- var dayNum = parseInt(window.prompt("输入一个0～6的数字"))
-
- function weekNum(_day){
- switch(_day){
- case 0:return "星期一";break;
- case 1:return "星期二";break;
- case 2:return "星期三";break;
- case 3:return "星期四";break;
- case 4:return "星期五";break;
- case 5:return "星期六";break;
- case 6:return "星期日";break;
- }
- }
- console.log(weekNum(dayNum));
-
- </script>
- </body>
- </html>
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