原生JS实现百叶窗特效
本文分享一个用原生JS实现的百叶窗特效，效果如下：
代码实现如下，欢迎大家复制粘贴。
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>原生JS实现百叶窗特效</title>
<style>
* {
margin: 0;
padding: 0;
}
li {
list-style: none;
}
a {
text-decoration: none;
}
#box {
width: 562px;
padding: 10px 24px 20px;
background: #EACFCF;
overflow: hidden;
margin: 20px auto 0;
}
.left {
width: 266px;
float: left;
}
.right {
width: 266px;
float: right;
}
#box h2 {
height: 38px;
border-bottom: 1px solid #D2A1A1;
padding-left: 20px;
}
#box h2 strong {
float: left;
line-height: 38px;
color: #885050;
font-weight: normal;
}
#box h2 a {
float: right;
width: 52px;
height: 14px;
font-size: 12px;
text-indent: 10px;
color: #fff;
line-height: 12px;
font-weight: normal;
margin-top: 10px;
}
#box li {
height: 30px;
position: relative;
border-bottom: 1px dashed #D1A1A1;
}
#box li div,
#box li p {
height: 30px;
position: absolute;
top: 0;
left: 0;
width: 100%;
}
#box li p {
background: #fff;
opacity: 0;
filter: alpha(opacity=0);
}
#box li div a,
#box li div span {
line-height: 30px;
font-size: 12px;
height: 30px;
}
#box li div a {
float: left;
padding-left: 20px;
color: #7F5454;
width: 172px;
overflow: hidden;
}
#box li div span {
padding-right: 10px;
float: right;
color: #CF9494;
}
</style>
<script type="text/javascript">
window.onload = function () {
var oBox = document.getElementById("box");
var aLi = document.getElementsByTagName('li');
var i = 0;
for (i = 0; i < aLi.length; i++) {
var oP = aLi[i].getElementsByTagName('p')[0];
oP.iAlpha = 0;
oP.time = null;
aLi[i].onmouseover = function () {
var oP = this.getElementsByTagName('p')[0];
oP.time ? clearInterval(oP.time) : "";
oP.style.opacity = 1;
oP.style.filter = "alpha(opacity=100)";
oP.iAlpha = 100;
}
aLi[i].onmouseout = function () {
starmove(this.getElementsByTagName('p')[0]);
};
}
};
function starmove(obj) {
obj.time ? clearInterval(obj.time) : "";
obj.time = setInterval(function () { domove(obj); }, 14);
}
function domove(obj) {
var iSpeed = 5;
if (obj.iAlpha <= iSpeed) {
clearInterval(obj.time);
obj.iAlpha = 0;
obj.time = null;
} else {
obj.iAlpha -= iSpeed;
}
obj.style.opacity = obj.iAlpha / 100;
obj.style.filter = "alpha(opacity=" + obj.iAlpha + ")";
}
</script>
</head>
<body>
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