您的位置:首页 > Web前端 > JavaScript

空心菱形

2016-07-12 08:25 337 查看
<!DOCTYPE html>
<html>
<head>
<meta
charset="UTF-8">
<title></title>
<style
type="text/css">
body{
margin:
auto;
text-align: center;
}
div{
width:
50px;
height:
50px;
background-color: deepskyblue;
display:
inline-block;
text-align: center;
}
span{
width:
50px;
height:
50px;
display:
inline-block;
background-color: white;
}
</style>
</head>
<body>

<script
type="text/javascript">
for
(var m = 1; m
<= 6; m++) {

for
(var n = 1; n
<= (2 *
m - 1); n++) {
if(n
== 1 || n ==
2 * m - 1){
document.write("<div></div>");

}else{
document.write("<span></span>");

}

}
document.write("<br />");
}
for
(var m = 5; m
>= 1; m--) {

for
(var n = 1; n
<= (2 *
m - 1); n++) {
if(n
== 1 || n ==
2 * m - 1){
document.write("<div></div>");

}else{
document.write("<span></span>");

}

}
document.write("<br />");
}

</script>
</body>
</html>
内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签:  菱形 js