<!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").click(function(){
$("p").show("slow",function(){
$(this).css("background-color","#0000FF");
});
});
});
</script>
<style>
p{
width:200px;
height:200px;
background-color:#FF0000;
display:none;
}
</style>
</head>
<body>
<input type="button" value="表示">
<p></p>
</body>
</html>a