jQuery凸显鼠标经过时的图片特效代码

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以下是 jQuery凸显鼠标经过时的图片特效代码的示例演示效果:

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HTML代码(index.html):

<!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" />
<meta name="keywords" content="JS代码,{keyword},JS广告代码,JS特效代码" />
<meta name="description" content="此代码内容为{title}，属于站长常用代码" />
<title>{title}</title>
<script type='text/javascript' src='js/jquery.min.js'></script>
<script type='text/javascript' src='js/jfade.js'></script>
<link rel="stylesheet" href="css/lrtk.css"  type="text/css"/> 

<script type="text/javascript">  
$().ready(function() {
	$('.jfade_image').jfade();
	$('.portfolio').jfade({
		start_opacity: ".4",
		high_opacity: "1",
		low_opacity: ".2",
		timing: "500"
	});
	$('.button').jfade({
		start_opacity: "1",
		high_opacity: "1",
		low_opacity: ".4",
		timing: "500"
	});
	$('.text').jfade({
		start_opacity: "1",
		high_opacity: "1",
		low_opacity: ".7",
		timing: "500"
	});
	$('.links').jfade({
		start_opacity: ".9",
		high_opacity: "1",
		low_opacity: ".2",
		timing: "500"
	});
});  
</script>
</head> 
 
<body> 
    <div>
	<div id="wrapper">
		<h1>jFade</h1>
		
		<p>jFade is a simple jquery plug-in that lets you highlight items on your website. Not only are customizable fades possible, but easy control of surrounding elements makes your most important content stand out.</p><br /> 
		<h2>Portfolio Gallery</h2><br /> 
		<p>(Fade adjoining objects out)</p>
		
		<div id="images">
			<img src="images/card02.jpg" class="jfade_image"/>
			<img src="images/card04.jpg" class="jfade_image"/>
			<img src="images/card09.jpg" class="jfade_image"/>
			<img src="images/card13.jpg" class="jfade_image"/>
			<img src="images/card14.jpg" class="jfade_image"/>
			<img src="images/card15.jpg" class="jfade_image"/>
			<img src="images/card16.jpg" class="jfade_image"/>
			<img src="images/card17.jpg" class="jfade_image"/>
		</div><br /><br />
		
		<p>To use default settings just add the function </p>
		<code>&lt;script type=&quot;text/javascript&quot;&gt;  <br />
	$().ready(function() {<br />
		$('.jfade_image').jfade();<br />
	});  <br />
&lt;/script&gt;</code><br /><br />
		<p>and add the class tag to each element:</p>
		<code>&lt;img src=&quot;images/card02.jpg&quot; class=&quot;jfade_image&quot;/&gt;<br />
			&lt;img src=&quot;images/card04.jpg&quot; class=&quot;jfade_image&quot;/&gt;<br />
			&lt;img src=&quot;images/card09.jpg&quot; class=&quot;jfade_image&quot;/&gt;<br />
			&lt;img src=&quot;images/card13.jpg&quot; class=&quot;jfade_image&quot;/&gt;<br />
			&lt;img src=&quot;images/card14.jpg&quot; class=&quot;jfade_image&quot;/&gt;<br />
			&lt;img src=&quot;images/card15.jpg&quot; class=&quot;jfade_image&quot;/&gt;<br />
			&lt;img src=&quot;images/card16.jpg&quot; class=&quot;jfade_image&quot;/&gt;<br />
			&lt;img src=&quot;images/card17.jpg&quot; class=&quot;jfade_image&quot;/&gt;</code><br /><br />
		
		<p>Custom settings are easily set and explained in the help doc</p><br /><br />
		
		<h2>Portfolio Gallery 2</h2><br /> 
		<p>(Fade objects in)</p>
		<div id="images">
			<img src="images/card02.jpg" class="portfolio"/>
			<img src="images/card04.jpg" class="portfolio"/>
			<img src="images/card09.jpg" class="portfolio"/>
			<img src="images/card13.jpg" class="portfolio"/>
			<img src="images/card14.jpg" class="portfolio"/>
			<img src="images/card15.jpg" class="portfolio"/>
			<img src="images/card16.jpg" class="portfolio"/>
			<img src="images/card17.jpg" class="portfolio"/>
		</div><br /><br />
		<h2>Call to Action Button</h2><br /> 
		<p>(give buttons some flair)</p>
		<div id="buttons">
			<ul>
				<li>
				<a class="small button green">Green </a>
				<a class="small button blue">Blue </a>
				<a class="large button pink">Pink </a>
				<a class="small button orange">Orange </a>
				<a class="small button yellow">Yellow </a></li>
			</ul>
		</div><br /><br />
		<h2>Text</h2><br /> 
		<p>(have subtle effects)
		<div id="paragraphs">
			<div id="column" class="text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus in eleifend justo. Aenean a porttitor enim. Sed aliquet ullamcorper euismod. Morbi dapibus pretium mauris. Pellentesque consequat ante et magna gravida eleifend. Donec et lorem nulla. Integer dignissim nisi et lectus bibendum ornare venenatis odio venenatis. Aliquam dignissim iaculis neque, sed accumsan erat aliquam porttitor.</div>

			<div id="column" class="text">Quisque lobortis, turpis id ornare mollis, diam magna semper libero, lacinia pharetra lectus nibh eget purus. Aenean dignissim sollicitudin gravida. Suspendisse non leo at nunc tempus elementum. Curabitur vitae commodo libero. Sed erat tortor, ornare id luctus vel, ullamcorper eget lacus. Maecenas ac placerat lectus. Sed quis nunc vitae lacus dignissim interdum. </div>

			<div id="column" class="text">Nulla facilisi. In et ante tellus, quis feugiat ante. Sed et lectus id ante viverra fringilla in eget nisi. Duis sit amet augue lorem, quis luctus erat. Morbi sed diam id orci lacinia tincidunt vel auctor velit. Etiam pulvinar nibh eget ante tincidunt rhoncus. Morbi commodo eros lobortis dolor suscipit eleifend. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. </div>
		</div><br /><br /><br /><br />
		<div id="footer">
			<h2>Links</h2><br />
			<p>You can fade anything you like, by just adding a class - even links: <a href="http://facebook.com/" title="Facebook" class="links">facebook</a>, <a href="http://linkedin.com/" title="Linkedin" class="links">linkedin</a>, <a href="http://flavors.me/" title="Flavors.me Personal Page" class="links">flavors.me</a></p> <br /><br />        
        </div>
	</div>
</body> 
</html>

JS代码(jfade.js):

$(function($){
	$.fn.jfade = function(settings){
	var defaults ={
	start_opacity:"1",high_opacity:"1",low_opacity:".1",timing:"500"}
;
	var settings = $.extend(defaults,settings);
	settings.element = $(this);
	//set opacity to start$(settings.element).css("opacity",settings.start_opacity);
	//mouse over$(settings.element).hover(//mouse infunction (){
	$(this).stop().animate({
	opacity:settings.high_opacity}
,settings.timing);
	//100% opacity for hovered object$(this).siblings().stop().animate({
	opacity:settings.low_opacity}
,settings.timing);
	//dimmed opacity for other objects}
,//mouse outfunction (){
	$(this).stop().animate({
	opacity:settings.start_opacity}
,settings.timing);
	//return hovered object to start opacity$(this).siblings().stop().animate({
	opacity:settings.start_opacity}
,settings.timing);
	// return other objects to start opacity}
);
	return this;
}
}
)(jQuery);

CSS代码(lrtk.css):

*{margin:0;padding:0;}
body{font:100% "Helvetica Neue",Helvetica,sans-serif;background:#000000;color:#ffffff;}
p{letter-spacing:.2pt;line-height:1.5em;margin-bottom:1.2em;word-spacing:0.7pt;}
h1{font-size:50px;margin:20px 0;}
code{border-left:solid 3px #ffffff;padding-left:8px;display:block;}
#wrapper{margin:0 auto;width:900px;}
#header{width:auto;height:366px;margin:auto;}
#images{margin:0 auto;width:600px;height:220px;float:none;margin-bottom:20px;-moz-border-radius:5px;-webkit-border-radius:5px;border:1px solid rgba(200,200,200,0.4);}
.jfade_image,.portfolio{width:120px;margin:15px;float:left;}
#paragraphs{clear:both;margin:0 auto;height:270px;}
#column{width:240px;float:left;margin:20px;}
#buttons{margin:0 auto;text-align:center;}
li{list-style:none;padding-top:10px;padding-bottom:10px;}
.button,.button:visited{background:#222 url(overlay.png) repeat-x;display:inline-block;padding:5px 10px 6px;color:#fff;text-decoration:none;-moz-border-radius:6px;-webkit-border-radius:6px;-moz-box-shadow:0 1px 3px rgba(0,0,0,0.7);-webkit-box-shadow:0 1px 3px rgba(0,0,0,0.7);text-shadow:0 -1px 1px rgba(0,0,0,0.3);border-bottom:1px solid rgba(0,0,0,0.3);position:relative;cursor:pointer}
a.button{}
a.button:active{-webkit-transform:none;}
.button:active{top:1px;}
.small.button,.small.button:visited{font-size:14px;font-weight:bold;padding:8px 14px 9px;}
.large.button,.large.button:visited{font-size:34px;padding:8px 14px 9px;}
.pink.button,.pink.button:visited{background-color:#e22092;}
.green.button,.green.button:visited{background-color:#91bd09;}
.orange.button,.orange.button:visited{background-color:#ff5c00;}
.blue.button,.blue.button:visited{background-color:#2981e4;}
.yellow.button,.yellow.button:visited{background-color:#ffb515;}
#footer{}
#footer a{-webkit-transition:color 0.2s linear;}
#footer a{color:#355982;text-decoration:none;padding:3px;-moz-border-radius:5px;-webkit-border-radius:5px;border:1px solid rgba(200,200,200,0.4);}
#footer a:hover{color:#3996ff;background:-webkit-gradient(linear,left top,left bottom,from(rgba(255,255,255,1)),to(rgba(225,225,225,1)),color-stop(50%,rgba(250,250,250,1)) );-moz-border-radius:5px;-webkit-border-radius:5px;border:1px solid rgb(200,200,200);}
#footer a:active{-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,0.5);-webkit-transform:translateY(-1px);}
bold{font-weight:bold;font-size:15px;text-decoration:underline;}

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