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How to implement jQuery to highlight the current picture when the mouse slides it and make other pictures gray_jquery
How to implement jQuery to highlight the current picture when the mouse slides it and make other pictures gray_jquery
The example in this article describes how jQuery realizes that the current picture is highlighted when the mouse is moved and other pictures are grayed out. Share it with everyone for your reference. The details are as follows:
When the mouse slides over the current picture, it will be highlighted, and other pictures will turn gray. This web page special effect is often used by some shopping malls such as Taobao. When the user moves the mouse to a certain picture, it will lighten up and the surrounding pictures will turn gray, forming a contrast to increase the user experience
The principle of this jquery special effect is: slide the mouse over the current element, find its sibling element i, and add the opacity_bg class to it, move the mouse out of the current element, go to its sibling element i, and remove it and add the opacity_bg class
The core js code is as follows:
$(document).ready(function(){
$("ul li").hover(function(){
$(this).siblings().find("i").addClass("opacity_bg");
//鼠标滑过当前元素，找到他的同辈元素i,并为它加上opacity_bg类
},function(){
$(this).siblings().find("i").removeClass("opacity_bg");
//鼠标移出当前元素，到他的同辈元素i,并移除它加上opacity_bg类景
})
})
The operation effect is as shown below:
The code is as follows:
<!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=utf-8" />
<script src="js/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$("ul li").hover(function(){
$(this).siblings().find("i").addClass("opacity_bg");//鼠标滑过当前元素，找到他的同辈元素i,并为它加上opacity_bg类
},function(){
$(this).siblings().find("i").removeClass("opacity_bg");//鼠标移出当前元素，到他的同辈元素i,并移除它加上opacity_bg类景
})
})
</script>
<style type="text/css">
ul{margin:0 auto;padding:0;width:810px;font-size:0;zoom:1;}
ul:after{content:"";display:block;height:0;clear:both;visibility:hidden;}
ul li{list-style-type:none;float:left;width:190px;height:200px;margin-right:1px;margin-bottom:1px;text-align:center;display:table;position:relative;}
ul li a{display:table-cell;vertical-align:middle;*display: block;*font-size: 175p;*font-family:Arial;text-align:center;}
img{border:none; vertical-align:middle;width:190px;height:200px;}
i{display:block;width:100%;height:100%;position:absolute;left:0;top:0;}
.opacity_bg{background:#000;opacity:0.4;}
h1,h4{margin:10px auto;width:810px;color:#FF0C8A;text-shadow:1px 1px 1px rgba(0,0,0,0.3);}
</style>
</head>
<body>
<h1>jquery聚光灯效果----无效果请刷新</h1>
<h4>鼠标滑向当前图片高亮显示，其它图片变灰</h4>
<ul>
<li><a><img src="images/120913/1-120913133035250.jpg" /></a><i class="this_bg"></i></li>
<li><a><img src="images/120829/1-120R9101014R2.jpg" /></a><i class="this_bg"></i></li>
<li><a><img src="images/120819/1-120Q9144053630.jpg" /></a><i class="this_bg"></i></li>
<li><a><img src="images/120819/1-120Q9144053630.jpg" /></a><i class="this_bg"></i></li>
<li><a><img src="images/120830/1-120S01F5505H.jpg" /></a><i class="this_bg"></i></li>
<li><a><img src="images/120819/1-120Q9144053630.jpg" /></a><i class="this_bg"></i></li>
<li><a><img src="images/120819/1-120Q9144053630.jpg" /></a><i class="this_bg"></i></li>
<li><a><img src="images/120913/1-120913133035250.jpg" /></a><i class="this_bg"></i></li>
</ul>
</body>
</html>
I hope this article will be helpful to everyone’s jquery programming design.
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