`

学习雪花飘落效果

 
阅读更多
<!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">
	<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
	<title>RunJS 演示代码</title>
<style>
body{background:#000}
.snowbg{width:1280px;height:800px;clear:both;margin:0 auto;background: url(http://www.wallcoo.com/holiday/Christmas%20Night%20at%20Disneyland/wallpapers/1280x800/Disneyland%20Sleeping%20Beauty%20Castle%20at%20night.jpg) no-repeat center 0 #000;position:relative;}
.snow{position:absolute;top:0;color:#fff;}
</style>
<script>
$(function(){
  var d="<div class='snow'>❅<div>"
			setInterval(function(){
				var f=$(document).width();
				var e=Math.random()*f-100;
				var o=0.3+Math.random();
				var fon=10+Math.random()*30;
				var l = e - 100 + 200 * Math.random();
				var k=2000 + 5000 * Math.random();
				$(d).clone().appendTo(".snowbg").css({
					left:e+"px",
					opacity:o,
					"font-size":fon,
				}).animate({
				  top:"400px",
					left:l+"px",
					opacity:0.1,
				},k,"linear",function(){$(this).remove()})
			},200)
})
</script>
  </head>
<body >
<div class="snowbg">
</div>
</body>
</html>

 

分享到:
评论

相关推荐

Global site tag (gtag.js) - Google Analytics