<!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#fadeIn").click(function(){ $("p:not(:animated)").fadeIn("slow"); }); $("input#fadeOut").click(function(){ $("p:not(:animated)").fadeOut("slow"); }); }); </script> <style> p{ width:200px; height:200px; background-color:#FF0000; display:none; } </style> </head> <body> <input id="fadeIn" type="button" value="表示" /> <input id="fadeOut" type="button" value="非表示" /> <p></p> </body> </html>