1 <html>
 2 <head>
 3 <title>dsd</title>
 4     <script language="JavaScript">
 5    
 6     document.write("<h1>我的乘法表格</h1>");
 7     document.write("<table border=\"1\">"); 
 8    var rows=9;
 9  var   cols=9;
10     for(i=1;i<=rows;i++)
11     {
12     document.write("<tr>");
13     for(j=1;j<=9;j++){
14     if(j<=i)
15     document.write("<td>" + i +"*"+j +"="+i*j+"</td>");
16     else document.write("<td>&nbsp;</td>");
17   }
18     document.write("</tr>");}
19 document.write("</table>");
20   
21 
22    </script>
23     
24 </head>
25 <body>
26 <button type="button" onclick="fun()"><h1>点我啊</h1></button>
27 </body>
28 </html>