JS实现 9x9 乘法表 

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6     <title>for循环乘法口诀表</title>
 7 </head>
 8 <body>
 9 
10 </body>
11 </html>
12 <style>
13     span {
14         display: inline-block;
15         width: 70px;
16         height: 25px;
17         border: 1px solid #096;
18     }
19 </style>
20 <script>
21     for (var m = 1; m <= 9; m++) {  //行
22         for (var n = 1; n <= m; n++) {   //列
23             document.write("<span>");
24             document.write(n + "x" + m + "=" + n * m);
25             document.write("</span>");
26         }
27         document.write("<br>");
28     }
29 </script>

 

posted @ 2021-04-13 10:33  木木木同学  阅读(140)  评论(0)    收藏  举报