<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>九九乘法表</title>
<style>
div{
text-align: center;
width: 1210px;
margin: 0 auto;
}
table{
margin: 0 auto;
border: 4px solid green;
padding: 5px;
}
td{
border: 1px solid green;
color: blue;
}
</style>
</head>
<body>
<script>
// 打印9*9乘法表
document.write("<div>");
document.write("<h3>"+"九九乘法表"+"</H3>")
document.write('<table>');//添加table开始标签
for(var i =1;i<=9;i++){
document.write('<tr>');//添加tr开始标签
for(var j=1;j<=i;j++){
document.write("<td>"+i+"※"+j+"="+i*j+"</td>");//让其在td标签中显示
}
document.write("</tr>")//添加tr结束标签
}
document.write('</table>');//添加table结束标签
document.write('</div>');
</script>
</body>
</html>
