漂亮实用的右下角悬浮、自动伸缩隐藏效果导航菜单，这个是仿土豆网上面的悬浮菜单，该悬浮菜单特效兼容当前主流浏览器。
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<title>仿土豆网右下角弹出悬浮导航菜单效果_武鸣人</title>
<style type="text/css">
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li{list-style:none;}
a{text-decoration:none;}
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#nav{height: 22px;margin: 5px 0 0 43px;width: 125px;}
#nav li{float: left;width: 25px;}
#nav li a{display: block;height: 22px;width: 25px;}
#nav li .show,#nav li a:hover{background: url(/img/20240506_www_wuming_ren_2.png) no-repeat 0 -51px;}
#nav .li_1 .show,#nav .li_1 a:hover{background-position:-25px -51px}
#nav .li_2 .show,#nav .li_2 a:hover{background-position:-50px -51px}
#nav .li_3 .show,#nav .li_3 a:hover{background-position:-75px -51px}
#nav .li_4 .show,#nav .li_4 a:hover{background-position:-100px -51px}
.wwwwumingren{color: #FFFFFF;height: 16px;margin: 4px 0 0 8px;overflow: hidden;width: 160px;}
#but{ bottom: 0;display: block;height: 50px;position: absolute;right: 0;width: 33px;z-index:20002;}
.but_hide{background: url(/img/20240506_www_wuming_ren_2.png) no-repeat -170px 0;}
.but_hide:hover{background-position:-203px 0;}
.but_show{background: url(/img/20240506_www_wuming_ren_2.png) no-repeat -236px 0;}
.but_show:hover{background-position:-269px 0;}
#wuming_ren_box{bottom:-315px;display:none;height: 315px;padding: 0 0 48px;position: absolute;right: 1px;width: 200px; z-index: 20000;}
.bg{background: url(/img/20240506_www_wuming_ren_3.jpg) no-repeat 0 0;height: 315px;opacity: 0.9;position: absolute;right: 0;top: 0;width: 200px;}
.nav2_bg{bottom: 48px;height: 176px;left: 0;position: absolute;width: 34px;background: url(/img/20240506_www_wuming_ren_3.jpg) no-repeat 0 -139px;}
#list_nav{background: url(/img/20240506_www_wuming_ren_2.png) no-repeat scroll 0 -255px transparent;height: 139px;left: 0;position: absolute;top: 2px;width: 34px;}
#list_nav a{ color: #FFFFFF;display: block;height: 27px;line-height: 25px;text-align: center;text-decoration: none;}
#list_nav .show{color: #FF9900;}
#list_nav a:hover{color:#FFFF00;}
.clos{ background: url(/img/20240506_www_wuming_ren_2.png) no-repeat 0 -76px ;cursor: pointer;height: 9px;position: absolute;right: 10px;top: 14px;width: 9px;}
.box_right{color: #FFFFFF;
height: 285px;
overflow: hidden;
position: absolute;
right: 6px;
top: 28px;
width: 150px;}
</style>
<script type="text/javascript">
function startmove_wuming_ren(obj, json, fnEnd)
{//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
if(obj.timer)
{
clearInterval(obj.timer);
}
obj.timer=setInterval(function (){
domove_wwwwumingren(obj, json, fnEnd);
}, 30);
var oDate=new Date();
if(oDate.getTime()-obj.lastMove>30)
{
domove_wwwwumingren(obj, json, fnEnd);
}
}
//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function getStyle(obj, attr)
{
if(obj.currentStyle)
{
return obj.currentStyle[attr];
}
else
{
return getComputedStyle(obj, false)[attr];
}
}
//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function domove_wwwwumingren(obj, json, fnEnd)
{
var iCur=0;
var attr='';
var bStop=true;//假设运动已经该停止了
for(attr in json)
{
if(attr=='opacity')
{
iCur=parseInt(100*parseFloat(getStyle(obj, 'opacity')));
}
else
{
iCur=parseInt(getStyle(obj, attr));
}
if(isNaN(iCur))
{
iCur=0;
}
//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
var iSpeed=(json[attr]-iCur)/8;
iSpeed=iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed);
if(parseInt(json[attr])!=iCur)
{
bStop=false;
}
if(attr=='opacity')
{
obj.style.filter="alpha(opacity:"+(iCur+iSpeed)+")";
obj.style.opacity=(iCur+iSpeed)/100;
}
else
{
obj.style[attr]=iCur+iSpeed+'px';
}
}
//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
if(bStop)
{
clearInterval(obj.timer);
obj.timer=null;
if(fnEnd)
{
fnEnd();
}
}
obj.lastMove=(new Date()).getTime();
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
</script>
<script type="text/javascript">
window.onload=function ()
{
var oBtn=document.getElementById('but');
var oBottom=document.getElementById('wwwwumingren_bottom');
var oBox=document.getElementById('wuming_ren_box');
var oBtnClose=document.getElementById('btn_close');
var initBottomRight=parseInt(getStyle(oBottom, 'right'));
var initBoxBottom=parseInt(getStyle(oBox, 'bottom'));
oBtn.onclick=openHandler;
oBtnClose.onclick=closeHandler;
//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function openHandler()
{
startmove_wuming_ren(oBottom, {right: 0}, function (){
oBox.style.display='block';
startmove_wuming_ren(oBox, {bottom: 0});
});
oBtn.className='but_hide';
oBtn.onclick=closeHandler;
}
//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function closeHandler()
{
startmove_wuming_ren(oBox, {bottom: initBoxBottom}, function (){
oBox.style.display='none';
startmove_wuming_ren(oBottom, {right: initBottomRight}, function (){
oBtn.className='but_show';
});
});
oBtn.onclick=openHandler;
}
};
</script>
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<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
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<ul id='nav'>
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<h2 class="wwwwumingren"><a href="https://www.wuming.ren" target="_blank">武鸣人</a> <a href="https://www.wuming.ren" target="_blank">www.wuming.ren</a></h2>
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<ul id="list_nav">
<li><a class="show" href="https://www.wuming.ren" target="_blank">天气</a></li>
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<li class="tab3"><a href="https://www.wuming.ren" target="_blank">排行</a></li>
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</ul>
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<div>北京</div>
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<div>
<strong><em>今天</em> (周二)</strong>
<img title="晴" src="/img/20240506_www_wuming_ren_4.gif" class="pic">
</div>
<span>-1~10C°</span>
<span>晴</span>
<span>微风小于3级</span>
</div>
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<div>
<strong><em>明天</em> (周三)</strong>
<img title="多云" src="/img/20240506_www_wuming_ren_5.gif" class="pic">
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<span>0~11C°</span>
<span>多云</span>
<span>北风3-4级</span>
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<div>
<strong><em>后天</em> (周四)</strong>
<img title="晴" src="/img/20240506_www_wuming_ren_4.gif" class="pic">
</div>
<span>-1~12C°</span>
<span>晴</span>
<span>北风3-4级 转 微风小于3级</span>
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