动画

 高级函数:基于底层函数又进行了封装

 两大块:简化版的动画函数和万能动画函数

 简化版动画函数

 显示/隐藏$().show;  $(...).hide();

   强调:无参数的show()/hide()使用的是display属性

     瞬间隐藏和显示

     动画参数:speed：

     2种:1.三档: fast normal slow  慢中快

             2.用毫秒数自定义

 动画的速度变化:参数:easing：linear线性变化 swing摇摆属性先加速后减速

 伸缩/折叠slideUp向上   slideDown向下  slideTogger()切换

 淡入/淡出:fadeIn()淡进   fadeOut()淡出   fadeToggle();

 <!DOCTYPE html>

 <html>

  <head>

   <title> new document </title>

   <meta charset="utf-8">

     <style>

         .accordion>.title{

             background:#eee; border:1px solid #aaa;

             padding:6px; cursor:pointer;

             font-size:1.5em; font-weight:bold;

         }

         .accordion>.content{ overflow:hidden;

             border:1px solid #aaa;

         }

         .fade{/*高为0，透明度为0, transition*/

             height:0; opacity:0; padding:0;

             transition:all 1s linear;

         }

         .in{/*高为140px, 透明度1*/

             height:140px; opacity:1; padding:6px;

         }

     </style>

  </head>

  <body>

     <div class="accordion">

         <div class="title" data-toggle="title">西游记简介:</div>

         <div class="content fade in">

             <p>

                 <span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sit voluptatibus necessitatibus quisquam molestias voluptas? A libero exercitationem fugiat officiis veritatis. Officiis cumque provident velit omnis inventore sed aspernatur voluptatum consectetur.</span>

                 <span>Esse molestias illo earum illum consectetur veniam dolore vel nihil ducimus alias maxime officia adipisci odio temporibus aperiam eligendi beatae hic accusantium quasi quo minus reprehenderit facere debitis aspernatur provident.</span>

                 <span>Natus voluptatem velit debitis aspernatur sapiente aliquid dolore delectus possimus molestiae sequi est quasi pariatur perspiciatis minus qui nulla praesentium magni error rem provident assumenda culpa distinctio ratione quam numquam.</span>

             </p>

         </div>

         <div class="title" data-toggle="title">水浒传简介:</div>

         <div class="content fade">

             <p>

                 <span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Facilis sint dolore molestias enim voluptates iure ipsum nostrum cupiditate quisquam labore neque quia ad omnis eum quaerat. Distinctio blanditiis eum illum.</span>

                 <span>Porro iure placeat odit beatae reiciendis doloribus sit ex sed ratione nihil expedita eos minus error natus quasi molestias soluta a totam. Eligendi enim aspernatur officiis consequuntur expedita debitis ea.</span>

                 <span>Molestias eius tempora nam recusandae iusto cum laboriosam! Neque eaque rem asperiores quos est facere quas repellendus numquam incidunt itaque alias blanditiis qui quae in odit velit minus! Quasi quam.</span>

             </p>

         </div>

         <div class="title" data-toggle="title">红楼梦简介:</div>

         <div class="content fade">

             <p>

                 <span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quae similique voluptate quisquam optio consequatur ex fugit aliquam obcaecati enim unde. Soluta id dolorum at eligendi animi officia quae iste nulla!</span>

                 <span>Eveniet ad repellendus quisquam rem quas qui expedita culpa odio nihil nesciunt aut eius assumenda recusandae dicta inventore quos dolor adipisci corrupti incidunt veritatis! Repellendus sint eius quisquam quaerat ad.</span>

                 <span>Esse nobis sequi doloribus quis totam in. Fuga sapiente sed quibusdam beatae ducimus vero quae eaque quod suscipit cupiditate perspiciatis voluptatem voluptatum itaque laboriosam nemo ullam pariatur eligendi nisi asperiores.</span>

             </p>

         </div>

         <div class="title" data-toggle="title">三国简介</div>

         <div class="content fade">

             <p>

                 <span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Eligendi ducimus asperiores voluptatem mollitia reprehenderit repudiandae laboriosam a nulla tempora. Voluptates autem explicabo fuga eum nemo obcaecati tenetur. Assumenda aspernatur ad!</span>

                 <span>Iure doloribus consequatur soluta velit est quas temporibus ut tempora quia voluptatum ex aliquam maxime ea consectetur minus autem reprehenderit eum voluptatibus facilis ad. Corporis veniam atque mollitia aperiam magnam.</span>

                 <span>Enim incidunt quod commodi nesciunt officia mollitia nulla ut cum dicta quidem earum nihil ab architecto beatae velit fugit qui sed quo rem cumque at adipisci laudantium iste eos dolorem.</span>

             </p>

         </div>

     </div>

     <script src="js/jquery-1.11.3.js"></script>

     <script>

         //找到data-toggle为title的元素,绑定单击事件

         $("[data-toggle='title']").click(function(){

             //将当前title的下一个兄弟，切换in class, 再选择其余兄弟中class为content的div，移除in

             $(this).next()

                          .toggleClass("in")

                          .siblings(".content")

                          .removeClass("in");

         })

     </script>

  </body>

 </html>

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