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 <meta http-equiv="X-UA-Compatible" content="ie=edge">
7 <title>Document</title>
8 <script>
9 var str="";
10 for(var i=1;i<=9;i++){//外层循环控制行数
11 for(var j=1;j<=i;j++){//里层循环控制每一行的个数 j<=i
12 str +=j +‘x‘+i+‘=‘+i * j+‘\t‘;
13 }
14 str=str+ ‘\n‘;
15 }
16 console.log(str);
17 </script>
18 </head>
19 <body>
20 </body>
21 </html>
原文地址：https://www.cnblogs.com/CheungKaHo/p/12011822.html
时间： 2024-11-06 07:28:02