<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>金字塔
</title>
<style type="text/css">
body{
font-size: 30px;
}
.empty{
display: inline-block;
width: 40px;
height: 20px;
line-height: 20px;
visibility: hidden;
}
.cont{
display: inline-block;
width: 40px;
height: 20px;
line-height: 20px;
color: black;
}
</style>
</head>
<body>
<script type="text/javascript" src="js/jinzita.js" ></script>
</body>
</html>
for(
var i=0; i<=10; i++
){
for(
var j=10; j>=i; j--
){
document.write('<span class="empty">▲</span>'
);
}
for(
var k=0; k<=i*2; k++
){
document.write('<span class="cont">▲</span>'
);
}
document.write('<br />'
);
}
转载于:https://www.cnblogs.com/ooo888ooo/p/11372567.html
