<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script>
$(function(){
$("input#fade0").click(function(){
$("#first:not(:animated)").fadeTo("slow",0);
});
$("input#fade1").click(function(){
$("#first:not(:animated)").fadeTo("slow",1);
});
$("input#fadeIn").click(function(){
$("#first:not(:animated)").fadeIn("slow");
});
$("input#fadeOut").click(function(){
$("#first:not(:animated)").fadeOut("slow");
});
});
</script>
<style>
p{
width:200px;
height:200px;
}
#first{
display:none;
background-color:#FF0000;
}
#second{
background-color:#0000FF;
}
</style>
</head>
<body>
<input id="fade1" type="button" value="fadeTo1" />
<input id="fade0" type="button" value="fadeTo0" />
<input id="fadeIn" type="button" value="fadeIn" />
<input id="fadeOut" type="button" value="fadeOut" />
<p id="first"></p>
<p id="second"></p>
</body>
</html>