616Javascript_语法_练习_99乘法表 and

练习9*9乘法表

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>99乘法表</title>

    <style>
        td{
            border:1px solid;
        }
    </style>

    <script>
        //完成表格嵌套
        document.write("<table  align='center'>");
        //循环一到就
        for (var i = 1; i <= 9; i++) {
            document.write("<tr>");
            //循环一到就
            for (var j = 1 ; j <=i ; j++) {
                document.write("<td>");
                //打印格式i*j=? 需要让两个循环相乘
                document.write(j + "*" + i + "=" + (i*j) +"&nbsp;");
                document.write("</td>");
            }
            // 输出
            document.write("</tr>");
        }
        document.write("</table>")

    </script>
</head>
<body>

</body>
</html>

 

posted @ 2022-10-24 15:59  ja不会va  阅读(17)  评论(0)    收藏  举报