Html,body{Overflow-x:Hidden;}Ul,li{List-style:None;}. Nav{width:100%;Height:26px;Overflow:Hidden;}. Nav Li{width:100px;text-align:Center;Height:26px;Line-height:26px;float: Left;position:relative;}. Nav Li a{text-decoration:None;Color:#333;}. Nav li. BG{background:#168EED;position:Absolute;Top:0; Left:0;width:100%;Height:100%;Z-index:-1;Filter:Alpha (opacity=0);Opacity:0;}
<ulclass= "NAV"> <Li><Divclass= "BG"></Div><ahref= "JavaScript:;">Li 1</a></Li> <Li><Divclass= "BG"></Div><ahref= "JavaScript:;">Li 1</a></Li> <Li><Divclass= "BG"></Div><ahref= "JavaScript:;">Li 1</a></Li></ul>
$ (function () { var $lis = $ (". Nav li"); var $lisBg = $ (". Nav. BG"); $lis. Hover (function () { var $index = $ (this). index (); $lisBg. EQ ($index). Animate ({"Opacity": 1}, +); }, Function () { var $index = $ (this). index (); $lisBg. EQ ($index). Animate ({"opacity": 0}, ()}) })
Hover Animation-Effect navigation