jquery hide() show()

2022-12-02 18:13:11

<!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" />

<title></title>

 <link rel="stylesheet" type="text/css" href="css/default.css" />

<!-- 引入jQuery -->

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

<script type="text/javascript">

$(function(){                                     //  等待DOM加载完毕.

    var $category = $('ul li:gt(5):not(:last)');             //  获得索引值大于5的品牌集合对象(除最后一条)

    $category.hide();                                //  隐藏上面获取到的jQuery对象。

    var $toggleBtn = $('div.showmore > a');             //  获取“显示全部品牌”按钮

    $toggleBtn.click(function(){

          if($category.is(":visible")){

                $category.hide();                            //  隐藏$category

                $(this).find('span')

                    .css("background","url(img/down.gif) no-repeat 0 0")

                    .text("显示全部品牌");                  //改变背景图片和文本

                $('ul li').removeClass("promoted");            // 去掉高亮样式

          }else{

                $category.show();                            //  显示$category

                $(this).find('span')

                    .css("background","url(img/up.gif) no-repeat 0 0")

                    .text("精简显示品牌");                  //改变背景图片和文本

                $('ul li').filter(":contains('佳能'),:contains('尼康'),:contains('奥林巴斯')")

                    .addClass("promoted");                //添加高亮样式

          }

        return false;                              //超链接不跳转

    })

})

</script>

</head>

<body>

<div class="SubCategoryBox">

<ul>

<li ><a href="#">佳能</a><i>(30440) </i></li>

<li ><a href="#">索尼</a><i>(27220) </i></li>

<li ><a href="#">三星</a><i>(20808) </i></li>

<li ><a href="#">尼康</a><i>(17821) </i></li>

<li ><a href="#">松下</a><i>(12289) </i></li>

<li ><a href="#">卡西欧</a><i>(8242) </i></li>

<li ><a href="#">富士</a><i>(14894) </i></li>

<li ><a href="#">柯达</a><i>(9520) </i></li>

<li ><a href="#">宾得</a><i>(2195) </i></li>

<li ><a href="#">理光</a><i>(4114) </i></li>

<li ><a href="#">奥林巴斯</a><i>(12205) </i></li>

<li ><a href="#">明基</a><i>(1466) </i></li>

<li ><a href="#">爱国者</a><i>(3091) </i></li>

<li ><a href="#">其它品牌相机</a><i>(7275) </i></li>

</ul>

<div class="showmore">

<a href="more.html"><span>显示全部品牌</span></a>

</div>

</div>

</body>

</html>

css 文件

*{ margin:; padding:;}

body {font-size:12px;text-align:center;}

a { color:#04D; text-decoration:none;}

a:hover { color:#F50; text-decoration:underline;}

.SubCategoryBox {width:600px; margin:0 auto; text-align:center;margin-top:40px;}

.SubCategoryBox ul { list-style:none;}

.SubCategoryBox ul li { display:block; float:left; width:200px; line-height:20px;}

.showmore { clear:both; text-align:center;padding-top:10px;}

.showmore a { display:block; width:120px; margin:0 auto; line-height:24px; border:1px solid #AAA;}

.showmore a span { padding-left:15px; background:url(../img/down.gif) no-repeat 0 0;}

.promoted a { color:#F50;}

展示

码农公寓

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