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6号晚

2024-08-25 16:56:46   222人阅读

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>输出1-100之间能被3整除的数</title>
 6 </head>
 7 <body>
 8     <script type="text/javascript">
 9         var i=1;
10         while (i<=100) {
11             if(i % 3 ==0){
12                 document.write(i+"<br/>");
13             }
14             i++;
15         }
16     </script>
17 </body>
18 </html>
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Document</title>
 6 </head>
 7 <body>
 8     <script type="text/javascript">
 9         var score = window.prompt();
10         if( score == null)
11         {
12             result = "取消！";
13         }else if( score == "" )
14         {
15             result = "你什么也没有输入！";
16         }else if( parseFloat(score) != score )
17         {
18             result = "你输入的不是一个数!";
19         }else if(score>100 || score<0)
20         {
21             result = "超出范围";
22         }else
23         {
24             if( score >=90 && score<=100)
25             {
26                 result = "优秀";
27             }else if(score>=80)
28             {
29                 result = "良好";
30             }else if(score>=70)
31             {
32                 result = "中等";
33             }else if(score>=60)
34             {
35                 result = "及格";
36             }else
37             {
38                 result = "不及格";
39             }
40         }
41             document.write(result);
42     </script>
43 </body>
44 </html>

 

6号晚


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