代碼：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>99乘法表</title>
<style>
td{
border: 1px solid black;
padding-left: 20px ;
}
</style>
</head>
<body>
<script>
document.write("<table align='center'>");
//控制行
for(var i = 1;i<10;i++){
document.write("<tr>");
//控制列
for(var j=1;j<=i;j++){
document.write("<td>");
//輸出
document.write(j+" * "+i+" = "+ (i*j)+" ");
document.write("</td>");
}
document.write("</tr>");
}
document.write("</table>");
</script>
</body>
</html>