基于jquery实现的文字淡入淡出效果

  

复制代码 代码如下:

  <!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>无标题文档</title>

  <script type="text/javascript" language="javascript" src="../../jquery-1.7.1.min.js">

  </script>

  <script language="javascript">

  $(document).ready(function(){

  $("#btn1").toggle(function(){

  $("p").fadeOut("slow");

  },function(){

  $("p").fadeIn("slow");

  });

  $("#btn2").toggle(function(){

  $("p").fadeTo("slow",0.66);

  },function(){

  $("p").fadeTo("slow",0.66);

  });

  });

  </script>

  </head>

  <body>

  <p style="background:#3F3">this is pi<br>

  this is pi<br>

  this is pi<br>

  this is pi<br>

  this is pi<br>

  this is pi<br>

  </p>

  <input type="button" value="淡入/淡出" id="btn1">

  </body>

  <input type="button" value="淡入/淡出 效果 透明度0.66" id="btn2">

  </html>