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js实现鼠标滑过文字链接色彩变化的效果_javascript技巧

WBOY

发布： 2016-05-16 16:00:23

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本文实例讲述了js实现鼠标滑过文字链接色彩变化效果的方法。分享给大家供大家参考。具体实现方法如下：

<!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=gb2312" />
<title>鼠标移入移出效果</title>
<style>
body,ul,h2,p{
margin:0; padding:0;
font-family:"微软雅黑";
background:#333;
}
li{list-style:none;}
a{text-decoration:none;}
#box{
width:270px;padding:10px 10px 20px;
overflow:hidden;margin:20px auto 0;
border:1px solid #FFF;
}
.internal{width:266px;float:left;}
#box h2{
height:38px;border-bottom:1px solid #ccc;
padding-left:5px;
}
#box h2 strong{
float:left; line-height:38px;
color:#885050;
}
#box h2 a{
float:right;width:52px;height:14px;
font-size:12px;text-indent:20px;
color:#fff;line-height:12px;
font-weight:normal;margin-top:10px;
}
#box li{
height:30px;position:relative;
border-bottom:1px dashed #ccc;
}
#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:5px;
color:#7F5454;width:185px;
overflow:hidden;
}
#box li div span{
padding-right:10px;
float:right;color:#CF9494;
}
</style>
<script type="text/javascript">
window.onload=function()
{
 var d=document;
 var oBox=d.getElementById('box');
 var aLi=oBox.getElementsByTagName('li');
 var i=0;
 for(i=0;i<aLi.length;i++)
 {
 var oP=aLi[i].getElementsByTagName('p')[0];
 oP.iAlpha=0;
 oP.times=null;
 aLi[i].onmouseover=function()
 {
 oP=this.getElementsByTagName('p')[0];
 oP.times && clearInterval(oP.times);
 oP.style.opacity=1;
 oP.style.filter="alpha(opacity=100)";
 oP.iAlpha=100;
 };
 aLi[i].onmouseout=function()
 {
 startMove(this.getElementsByTagName('p')[0])
 };
 }
};
function startMove(obj)
{
 obj.times && clearInterval(obj.time);
 obj.times=setInterval(function()
 {
 doMove(obj);
 },10);
}
function doMove(obj)
{
 var iSpeed=5;
 if(obj.iAlpha<=iSpeed)
 {
 clearInterval(obj.times);
 obj.iAlpha=0;
 obj.time=null;
 }
 else
 {
 obj.iAlpha-=iSpeed;
 }
 obj.style.filter="alpha(opacity="+obj.iAlpha+")";
 obj.style.opacity=obj.iAlpha/100;
}
</script>
</head>
<body>
<div id="box">
 <div class="internal">
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</body>
</html>

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希望本文所述对大家的javascript程序设计有所帮助。