JQuery特殊效果和链式调用操作示例

本文实例讲述了JQuery特殊效果和链式调用操作。分享给大家供大家参考,具体如下:

JQuery的特殊效果

fadeOut()淡入
fadeToggle()切换淡入淡出
hide() 隐藏元素
show() 现实元素
toggle() 切换元素的可见状态
slideDown() 向下展开
slideUp() 向上卷起
slideToggle()依次展开或者卷起某个元素

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
 <style type="text/css">
  .box{
   width: 300px;
   height: 300px;
   background-color: gold;
   display: none;
  }
 </style>
 <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
 <script>
  $(function () {
   $('#btn').click(function () {
    $('.box').fadeIn(1000,'swing',function () {
     //可以加一个回调函数
     alert('done');
    });
   })
  })
 </script>
</head>
<body>
<input type="button" name="" value="动画" id="btn">
 <div class="box"></div>
</body>
</html>

点击按钮,元素淡出,完成之后弹出done,不知道为什么,没有运行出来,可能是浏览器的问题。

链式调用-层级菜单

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
 <style type="text/css">
  body{
   font-family: 'Microsoft Yahei';
  }
  body ul{
   margin: 0;
   padding: 0;
  }
  ul{
   list-style: none;
  }
  .menu{
   width: 300px;
   height: 300px;
  }
  .menu .level1,.menu li ul a {
   display: block;
   width: 300px;
   height: 30px;
   line-height: 30;
   text-decoration: none;
   background-color: #3366cc;
   color: #fff;
   font-size: 16px;
   text-indent: 10px;
  }
  .menu .level1{
   border-bottom: 1px solid #afc6f6;
  }
  .menu li ul a {
   font-size: 14px;
   text-indent: 20px;
   background-color: #7aa1ef;
  }
  .menu li ul li{
   border-bottom: 1px solid #afc6f6;
  }
  .menu li ul {
   display: none;
  }
  .menu li ul li a:hover{
   background-color: #f6b544;
  }
 </style>
 <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
 <script type="text/javascript">
  $(function () {
   $('.level1').click(function () {
    $(this).next().stop().slideToggle().parent().sibling().children('ul').slideUp();
   })
  })
 </script>
</head>
<body>
 <ul class="menu">
  <li>
   <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="level1">水果</a>
   <ul class="current">
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >苹果</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >梨子</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >葡萄</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >火龙果</a></li>
   </ul>
  </li>
  <li>
   <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="level1">海鲜</a>
   <ul>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >鱼</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >扇贝</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >龙虾</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >象牙蚌</a></li>
   </ul>
  </li>
  <li>
   <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="level1">肉类</a>
   <ul>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >牛肉</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >猪肉</a></li>
    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >肌肉</a></li>
   </ul>
  </li>
 </ul>
</body>
</html>

链式调用:

level1的下一级淡入淡出,返回上一级的,孩子隐藏。

感兴趣的朋友可以使用在线HTML/CSS/JavaScript代码运行工具 http://tools.jb51.net/code/HtmlJsRun 测试上述代码运行效果。

更多关于jquery相关内容感兴趣的读者可查看本站专题:《jquery常用操作技巧汇总》、《jQuery常见事件用法与技巧总结》、《jQuery操作json数据技巧汇总》、《jQuery操作xml技巧总结》及《jQuery扩展技巧总结》

希望本文所述对大家jquery程序设计有所帮助。

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