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jquery实现文字的淡入淡出

来源：岁月联盟编辑：exp 时间：2012-03-28

<!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>