鼠标悬浮时菜单效果

来源：互联网发布：上瘾网络剧见面会视频编辑：程序博客网时间：2024/04/30 23:52

<html><head><title>jQuery Background Test by http://www.mb5u.com</title>

<style type="text/css">

h2{clear:both;padding-top:20px;}

ul {list-style:none;margin:0;padding:0;}

li {float:left;width:100px;margin:0;padding:0;text-align:center;}

li a {display:block;padding:5px 10px;height:100%;color:#FFF;text-decoration:none;border-right:1px solid #FFF;}

li a {background:url(bg2.jpg) repeat 0 0;}

li a:hover, li a:focus, li a:active {background-position:-150px 0;}

#a a {background:url(bg.jpg) repeat -20px 35px;}

#b a {background:url(bg2.jpg) repeat 0 0;}

#c a {background:url(bg3.jpg) repeat 0 0;}

#d a {background:url(bg4.jpg) repeat 0 0;}

</style>

<script type="text/javascript" src="jquery-1.2.6.js"></script>

<script type="text/javascript" src="jquery.js"></script>

<script type="text/javascript">

$(function(){

$('#a a').css( {backgroundPosition: "-20px 35px"} ).mouseover(function()

{$(this).stop().animate({backgroundPosition:"(-20px 94px)"}, {duration:500})}).mouseout(function()

{$(this).stop().animate({backgroundPosition:"(40px 35px)"}, {duration:200, complete:function()

{$(this).css({backgroundPosition: "-20px 35px"})}})})

$('#b a').css( {backgroundPosition: "0 0"} ).mouseover(function(){$(this).stop().animate(

{backgroundPosition:"(-150px 0)"}, {duration:500})}).mouseout(function()

{$(this).stop().animate({backgroundPosition:"(-300px 0)"}, {duration:200, complete:function()

{$(this).css({backgroundPosition: "0 0"})}})})

$('#c a').css( {backgroundPosition: "0 0"} ).mouseover(function(){$(this).stop().animate(

{backgroundPosition:"(0 -250px)"}, {duration:500})}).mouseout(function()

{$(this).stop().animate({backgroundPosition:"(0 0)"}, {duration:500})})

$('#d a').css( {backgroundPosition: "0 0"} ).mouseover(function(){$(this).stop().animate(

{backgroundPosition:"(0 -250px)"}, {duration:500})}).mouseout(function()

{$(this).stop().animate({backgroundPosition:"(0 0)"}, {duration:500})})});

</script>

</head>

<body>

<h1>jQuery Background Position</h1>

<h2>Example 0: No Script</h2>

<ul id="noscript"><li>

<a href="#">Home</a></li>

<li><a href="#">About</a></li>

<li><a href="#">Contact</a></li>

</ul>

<h2>Example A: Top down</h2>

<ul id="a">

<li><a style="background-position: -20px 35px;" href="#">Home</a></li>

<li><a style="background-position: -20px 35px;" href="#">About</a></li>

<li><a style="background-position: -20px 35px;" href="#">Contact</a></li>

</ul>

<h2>Example B: Right left</h2>

<ul id="b">

<li><a style="background-position: 0pt;" href="#">Home</a></li>

<li><a style="background-position: 0pt;" href="#">About</a></li>

<li><a style="background-position: 0pt;" href="#">Contact</a></li>

</ul>

<h2>Example C: Fade 1-colour</h2>

<ul id="c">

<li><a style="background-position: 0px;" href="#">Home</a></li>

<li><a style="background-position: 0px;" href="#">About</a></li>

<li><a style="background-position: 0px;" href="#">Contact</a></li>

</ul>

<h2>Example D: Fade 2-colour</h2>

<ul id="d">

<li><a style="background-position: 0px;" href="#">Home</a></li>

<li><a style="background-position: 0px;" href="#">About</a></li>

<li><a style="background-position: 0px;" href="#">Contact</a></li>

</ul>

</body>

</html>

<html><head><title>jQuery Background Test by http://www.mb5u.com</title><style type="text/css">h2{clear:both;padding-top:20px;}ul {list-style:none;margin:0;padding:0;}li {float:left;width:100px;margin:0;padding:0;text-align:center;}li a {display:block;padding:5px 10px;height:100%;color:#FFF;text-decoration:none;border-right:1px solid #FFF;}li a {background:url(bg2.jpg) repeat 0 0;}li a:hover, li a:focus, li a:active {background-position:-150px 0;}#a a {background:url(bg.jpg) repeat -20px 35px;}#b a {background:url(bg2.jpg) repeat 0 0;}#c a {background:url(bg3.jpg) repeat 0 0;}#d a {background:url(bg4.jpg) repeat 0 0;}</style><script type="text/javascript" src="jquery-1.2.6.js"></script><script type="text/javascript" src="jquery.js"></script><script type="text/javascript">$(function(){$('#a a').css( {backgroundPosition: "-20px 35px"} ).mouseover(function(){$(this).stop().animate({backgroundPosition:"(-20px 94px)"}, {duration:500})}).mouseout(function(){$(this).stop().animate({backgroundPosition:"(40px 35px)"}, {duration:200, complete:function(){$(this).css({backgroundPosition: "-20px 35px"})}})})$('#b a').css( {backgroundPosition: "0 0"} ).mouseover(function(){$(this).stop().animate({backgroundPosition:"(-150px 0)"}, {duration:500})}).mouseout(function(){$(this).stop().animate({backgroundPosition:"(-300px 0)"}, {duration:200, complete:function(){$(this).css({backgroundPosition: "0 0"})}})})$('#c a').css( {backgroundPosition: "0 0"} ).mouseover(function(){$(this).stop().animate({backgroundPosition:"(0 -250px)"}, {duration:500})}).mouseout(function(){$(this).stop().animate({backgroundPosition:"(0 0)"}, {duration:500})})$('#d a').css( {backgroundPosition: "0 0"} ).mouseover(function(){$(this).stop().animate({backgroundPosition:"(0 -250px)"}, {duration:500})}).mouseout(function(){$(this).stop().animate({backgroundPosition:"(0 0)"}, {duration:500})})});</script></head><body><h1>jQuery Background Position</h1><h2>Example 0: No Script</h2><ul id="noscript"><li><a href="#">Home</a></li><li><a href="#">About</a></li><li><a href="#">Contact</a></li></ul><h2>Example A: Top down</h2><ul id="a"><li><a style="background-position: -20px 35px;" href="#">Home</a></li><li><a style="background-position: -20px 35px;" href="#">About</a></li><li><a style="background-position: -20px 35px;" href="#">Contact</a></li></ul><h2>Example B: Right left</h2><ul id="b"><li><a style="background-position: 0pt;" href="#">Home</a></li><li><a style="background-position: 0pt;" href="#">About</a></li><li><a style="background-position: 0pt;" href="#">Contact</a></li></ul><h2>Example C: Fade 1-colour</h2><ul id="c"><li><a style="background-position: 0px;" href="#">Home</a></li><li><a style="background-position: 0px;" href="#">About</a></li><li><a style="background-position: 0px;" href="#">Contact</a></li></ul><h2>Example D: Fade 2-colour</h2><ul id="d"><li><a style="background-position: 0px;" href="#">Home</a></li><li><a style="background-position: 0px;" href="#">About</a></li><li><a style="background-position: 0px;" href="#">Contact</a></li></ul></body></html>

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