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jquery implements the navigation bar effect of expanding the list content after mouse click_jquery
jquery implements the navigation bar effect of expanding the list content after mouse click_jquery
The example in this article describes how jquery implements the navigation bar effect of expanding the list content after a mouse click. Share it with everyone for your reference. The details are as follows:
This is a navigation bar implemented based on jQuery. The hidden list content will be expanded after a mouse click. It is the most suitable choice for making a directory. This example is an example in sharp jQeury. This is the final optimized version. The compatibility has not yet been tested. The performance in Firefox is not yet known. Interested friends can test or correct it.
The screenshot of the running effect is as follows:
The online demo address is as follows:
http://demo.jb51.net/js/2015/jquery-mouse-click-show-table-nav-codes/
The specific 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>
<head>
<title>jquery导航栏</title>
<style type="text/css">
#menu {
width:300px;
}
.has_children{
background : #555;
color :#fff;
cursor:pointer;
}
.highlight{
color : #fff;
background : green;
}
div{
padding:0;
}
div a{
background : #888;
display : none;
float:left;
width:300px;
}
</style>
<!-- 引入 jQuery -->
<script src="jquery1.3.2.js" type="text/javascript"></script>
<script type="text/javascript">
//等待dom元素加载完毕.
$(document).ready(function(){
$(".has_children").click(function(){
$(this).addClass("highlight")//为当前元素增加highlight类
.children("a").show().end()//将子节点的a元素显示出来并重新定位到上次操作的元素
.siblings().removeClass("highlight")//获取元素的兄弟元素，并去掉他们的highlight类
.children("a").hide();//将兄弟元素下的a元素隐藏
});
});
</script>
</head>
<body>
<div id="menu">
<div class="has_children">
<span>第1章-认识jQuery</span>
<a>1.1-JavaScript和JavaScript库</a>
<a>1.2-加入jQuery</a>
<a>1.3-编写简单jQuery代码</a>
</div>
<div class="has_children">
<span>第2章-jQuery选择器</span>
<a>2.1-jQuery选择器是什么</a>
<a>2.2-jQuery选择器的优势</a>
<a>2.3-jQuery选择器</a>
<a>2.4-应用jQuery改写示例</a>
</div>
<div class="has_children">
<span>第3章-jQuery中的DOM操作</span>
<a>3.1-DOM操作的分类</a>
<a>3.2-jQuery中的DOM操作</a>
</div>
</div>
</body>
</html>
I hope this article will be helpful to everyone’s jQuery programming.
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