[查看演示] 源码如下 ---------------------------------------------------------- <html>
<script Language="javascript">
function a(x,y,color)
{document.write("<img border='0' style='position: absolute; left: "+(x+300)+"; top: "+(y+200)+";background-color: "+color+"' src='px.gif' width=1 height=1>")}
</script>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>花瓣-www.51windows.Net</title>
</head>
<body>
<script>
for(t=1;t<=360;t++){
lo=200 * Math.sin(2 * (Math.PI / 180) * t);
x = lo * Math.cos((Math.PI / 180) * t);
y = lo * Math.sin((Math.PI / 180) * t);
a(x,y,"#000000");
lo=200 * Math.cos(2 * (Math.PI / 180) * t);
x = lo * Math.cos((Math.PI / 180) * t);
y = lo * Math.sin((Math.PI / 180) * t);
a(x,y,"#ff0000");
}
</script>
</body>
</html>
<div style="position: absolute; top: 10; right: 10; width: 148; height: 18;cursor:hand">
<input type="button" name="Button" value="查看源代码" onClick= 'window.location = "view-source:" + window.location.href'></div> |