<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script>
// 1.打印乘法口诀表
// 1 * 1 = 1
// 1 * 2 = 2 2 * 2 = 4
// 1 * 3 = 3 2 * 3 = 6 3 * 3 = 9
// ... ... ...
//创建一个外层循环，控制高度
for(var i = 1; i <= 9; i++){
//创建一个内层循环，控制宽度
for(var j = 1; j <= i; j++){
document.write("<span>"+j+"*"+i+ "=" +i*j+"</span>");
}
document.write(" <br />")
}
</script>
<style type="text/css">
body{
width: 2000px;
}
span{
display: inline-block;
width: 80px;
}
</style>
</head>
<body>
</body>
</html>
