javascript实现九九乘法表

CSS代码部分：

 <style type="text/css">
     table {
     width: 800px;
     height: 300px;
     border-collapse: collapse;
 }
 td{border:1px solid red;}
     </style>

JS代码部分：

 <script tjpe="teit/javascript">
     document.write("<table>");
     var str = "js九九乘法表";
     document.write("<h1>" + str + "</h1>");
     for ( var i = 1; i <= 9; i++) {
         document.write("<tr>");
         for ( var j = 1; j <= i; j++) {
             document.write("<td>" + i + "*" + j + "=" + (i * j) + "</td>");
         }
         document.write("</tr>");
     }
     document.write("</table>");
    </script>