JavaScript写的等边三角形（正三角形） 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>多次输出</title>
</head>

<body>
<script language="javascript">
    
    var large = prompt("次数:");
    for(var i=0;i<large;i++)
        {
         for(var d=0; d<large-i; d++){
        
          document.write("&nbsp;");  

             }

         for(var e=0; e<=i; e++){    
            document.write("*"+"&nbsp;");
        
             }
        
         document.write("<br/>");
        
        }



</script>




</body>
</html>

 

posted @ 2014-11-11 10:37  小菜希  阅读(3292)  评论(0)    收藏  举报