在别人网站中看到一个类似于弹幕的效果，闲来无事用jquery写了个备用~~
<!DOCTYPE html>
<meta charset="utf-8">
<html>
<head>
<title></title>
<script src="http://cdn.gbtags.com/jquery/1.8.0/jquery-1.8.0.min.js"></script> <style type="text/css">
.scroll li {
position: fixed;
display: inline-block;
top: 70%;
left: 100%;
color: #fff;
white-space: nowrap;
font-size: 14px;
text-align: center;
z-index: 100;
background: rgba(0,0,0,0.5);
padding: 5px 25px;
border-radius: 20px;
font-size: 16px;
list-style: none;
}
</style>
</head>
<body>
<ul class="scroll">
<li>156***91112 9分钟前注册成功</li>
<li>152***92244 12分钟前注册成功</li>
<li>159***92932 15分钟前注册成功</li>
<li>139***04555 21分钟前注册成功</li>
<li>155***59509 23分钟前注册成功</li>
<li>135***93950 29分钟前注册成功</li>
<li>155***52421 29分钟前注册成功</li>
<li>132***22029 29分钟前注册成功</li>
<li>155***42959 35分钟前注册成功</li>
<li>155***09954 45分钟前注册成功</li>
</ul>
</body>
<script>
var num = 0;
var arrColor = ['#5dd9ff','#fbe091','#ff0','#b5d8f4','#0f0','#0ff','#83dd57','#fff','#b4f4ff','#ccc','#fff'];
function suiji() {
$('.scroll li').eq(num).css('color',arrColor[parseInt(10*Math.random())]);
$('.scroll li').eq(num).animate({'left':-300},20000,function () {
$('.scroll li').eq(num).css('left','100%');
});
} suiji(); setInterval(function () {
num++;
if (num>=10) {
num = 0;
}
suiji();
},22000); </script>
</html>