jquery绿色下拉菜单特效代码

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以下是 jquery绿色下拉菜单特效代码的示例演示效果:

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部分效果截图:

HTML代码(index.html):

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="description" content="CSS-only alternative for select - Tutorial Demo" />
<meta name="keywords" content="forms select radio" />
<meta name="author" content="PeHaa for PEPSized" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>css3绿色下拉菜单</title>
<link href='http://fonts.googleapis.com/css?family=Unica+One' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="screen.css"  media="screen" title="no title" >
<!-- custom modernizr build -->
<script src="modernizr.js"></script>
<script src="jquery.min.js"></script>
<!--[if (IE 8)]>
<script>
	$(document).ready(function(){
		$(".radio-options li").bind("click", function() {
			$(this).siblings(".checked").removeClass("checked");
			$(this).addClass("checked");
			});
	});
</script>
<![endif]-->
<script>
$(document).ready(function(){
	if (Modernizr.touch) {
			$(".radio-options").bind("click", function(event) {
				if (!($(this).parent('.radio-container').hasClass("active")))	{
				$(this).parent('.radio-container').addClass("active"); 
				event.stopPropagation();
				}
			});	
	$(".toggle").bind("click", function(){ 
		$(this).parents('.radio-container').removeClass("active"); 
		return false;
		 });  
	}
})
</script>

</head>

<body>

<section class="form">
	<h1>Everyone's Irish on March 17th</h1>
	<form>
		<fieldset class="radio-container">
			<div class="radio-options">
				<div class="toggle">Choose your beer</div>
				<ul>
					<li>
						<input type="radio" name="my-beer" id="choice1" value="choice1">
						<label for="choice1">Cul Dorcha</label>
					</li>
					<li>
						<input type="radio" name="my-beer" id="choice2" value="choice2">
						<label  for="choice2">Rowers Red Ale</label>
					</li>
					<li>
						<input type="radio" name="my-beer" id="choice3" value="choice3">
						<label for="choice3">Belfast Ale</label>
					</li>
						<li>
							<input type="radio" name="my-beer" id="choice4" value="choice4">
							<label for="choice4">O'Hara Irish Stout</label>
						</li>
				</ul>	
			</div>
		</fieldset>
	</form>
		
		<p><span>Saint Patrick's Day</span> or the Feast of Saint Patrick (Irish: Lá Fhéile Pádraig, "the Day of the Festival of Patrick") is a cultural and religious holiday celebrated on 17 March. It is named after Saint Patrick, the most commonly recognised of the patron saints of Ireland.</p>
		<p><span>Saint Patrick's Day</span> was made an official feast day in the early seventeenth century and is observed by the Catholic Church, the Anglican Communion (especially the Church of Ireland),[3] the Eastern Orthodox Church and Lutheran Church.</p> 
			<p>For Christians, the day commemorates Saint Patrick and the arrival of Christianity in Ireland.[2] However, it has also become a celebration of Irishness and Irish culture in general, source Wikipedia.</p>
</section>
</body>
</html>

JS代码(modernizr.js):

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return!1}
var d="2.6.2",e={
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	a=a.toLowerCase();
	if(e[a]!==c)return e;
	b=typeof b=="function"?b():b,typeof f!="undefined"&&f&&(g.className+=" "+(b?"":"no-")+a),e[a]=b}
return e}
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	a||(a=b);
	var c=m(a);
	return r.shivCSS&&!f&&!c.hasCSS&&(c.hasCSS=!!k(a,"article,aside,figcaption,figure,footer,header,hgroup,nav,section{
	display:block}
mark{
	background:#FF0;
	color:#000}
")),j||p(a,c),a}
var c=a.html5||{
}
,d=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,e=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,f,g="_html5shiv",h=0,i={
}
,j;
	(function(){
	try{
	var a=b.createElement("a");
	a.innerHTML="<xyz></xyz>",f="hidden"in a,j=a.childNodes.length==1||function(){
	b.createElement("a");
	var a=b.createDocumentFragment();
	return typeof a.cloneNode=="undefined"||typeof a.createDocumentFragment=="undefined"||typeof a.createElement=="undefined"}
()}
catch(c){
	f=!0,j=!0}
}
)();
	var r={
	elements:c.elements||"abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup mark meter nav output progress section summary time video",shivCSS:c.shivCSS!==!1,supportsUnknownElements:j,shivMethods:c.shivMethods!==!1,type:"default",shivDocument:q,createElement:n,createDocumentFragment:o}
;
	a.html5=r,q(b)}
(this,b),e._version=d,e._prefixes=m,e.testStyles=t,g.className=g.className.replace(/(^|\s)no-js(\s|$)/,"$1$2")+(f?" js "+q.join(" "):""),e}
(this,this.document),function(a,b,c){
	function d(a){
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function e(a){
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var h=!!a.test,i=a.load||a.both,j=a.callback||f,k=j,l=a.complete||f,m,n;
	c(h?a.yep:a.nope,!!i),i&&c(i)}
var i,j,l=this.yepnope.loader;
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;

CSS代码(screen.css):

section{display:block;}
html{font-family:sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;}
body{margin:0;}
a:focus{outline:thin dotted;}
a:active,a:hover{outline:0;}
dh1{font-size:2em;margin:0.67em 0;}
fieldset{border:none;margin:0;padding:0;}
ul{margin:0;padding:0;}
body{font-family:"Unica One",sans-serif;background:#e7f3ed;color:#3d3d3d;}
section{width:93.75%;max-width:600px;margin:0 auto;padding-top:4em;}
h1{text-align:center;font-weight:normal;text-shadow:0 1px 1px rgba(255,255,255,0.7);color:#147238;}
a{color:#36c875;}
p{text-shadow:0 1px 1px rgba(255,255,255,0.7);margin-top:0;}
p span{font-size:1.25em;color:#147238;}
form{margin:2em auto 1em;width:300px;position:relative;}
.radio-container{position:relative;height:4em;font-size:1.5em;line-height:1;color:#d6ebe0;}
.no-touch .radio-container:hover,.radio-container.active{z-index:9999;}
.radio-options{position:absolute;max-height:3em;width:100%;overflow:hidden;-webkit-transition:0.7s;-moz-transition:0.7s;-o-transition:0.7s;transition:0.7s;}
.radio-options ul{margin-top:18px;-webkit-transition:0.5s;-moz-transition:0.5s;-o-transition:0.5s;transition:0.5s;}
.radio-options li{position:absolute;top:0;left:0;width:100%;height:100%;}
.radio-options label{display:block;padding:0.75em;background:#36c875;opacity:0;-webkit-transition:0s;-moz-transition:0s;-o-transition:0s;transition:0s;}
.radio-options input{position:absolute;top:0;left:0;width:300px;height:3em;opacity:0;z-index:1;cursor:pointer;}
.radio-options input:checked ~ label{position:absolute;top:0;left:0;right:0;opacity:1;z-index:2;padding:0.75em;background:#1b9e4d;border-radius:10px;}
.no-touch .radio-options li:hover label{background:#25b45f;}
.radio-options .checked label{position:absolute;top:0;left:0;right:0;padding:0.75em;background:#1b9e4d;visibility:visible;z-index:2;}
.no-touch .radio-options:hover,.active .radio-options{max-height:100em;}
.no-touch .radio-options:hover ul,.active .radio-options ul{position:relative;margin-top:9px;}
.no-touch .radio-options:hover li,.active .radio-options li{position:relative;}
.no-touch .radio-options:hover label,.active .radio-options label{opacity:1;-webkit-transition:0.5s;-moz-transition:0.5s;-o-transition:0.5s;transition:0.5s;}
.no-touch .radio-options:hover input:checked ~ label,.active .radio-options input:checked ~ label{position:static;border-radius:0;}
.no-touch .radio-options:hover .checked label{position:static;}
.no-touch .radio-options:hover ul:before,.active .radio-options ul:before{content:"";position:absolute;width:0px;height:0px;right:0.75em;margin-right:-4px;top:-9px;border-style:solid;border-width:0 9px 9px 9px;border-color:transparent transparent #36c875 transparent;-webkit-transform:rotate(360deg);}
.radio-options .toggle{position:relative;cursor:pointer;padding:0.75em;background:#1b9e4d;border-radius:10px;z-index:1;}
.radio-options .toggle:before{content:"";border-style:solid;border-width:5px 0 5px 8.7px;border-color:transparent transparent transparent #d6ebe0;height:0px;position:absolute;right:0.75em;top:50%;margin-top:-5px;width:0px;-webkit-transform:rotate(360deg);}
.no-touch .radio-options:hover .toggle:before,.active .radio-options .toggle:before{border-width:8.7px 5px 0 5px;border-color:#d6ebe0 transparent transparent transparent;margin-top:-2px;}
.radio-options input:checked ~ label:before{content:"";border-style:solid;border-width:5px 0 5px 8.7px;border-color:transparent transparent transparent #d6ebe0;height:0px;position:absolute;right:0.75em;top:50%;margin-top:-5px;width:0px;-webkit-transform:rotate(360deg);}
.radio-options li.checked label:before{content:"";border-style:solid;border-width:5px 0 5px 8.7px;border-color:transparent transparent transparent #d6ebe0;height:0px;position:absolute;right:0.75em;top:50%;margin-top:-5px;width:0px;-webkit-transform:rotate(360deg);}
.no-touch .radio-options:hover input:checked ~ label:before,.active .radio-options input:checked ~ label:before{content:none;}
.no-touch .radio-options:hover li.checked label:before{content:none;}
.no-opacity .radio-options label{visibility:hidden;}
.no-opacity .radio-options:hover label{visibility:visible;}
.no-opacity .radio-options li.checked label{visibility:visible;}
.no-opacity input{-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";}

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