<!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#first").before("<h1>前に挿入</h1>"); }); }); </script> </head> <body> <input type="button" value="click"> <h1>前に挿入</h1> <p id="first">テキストテキスト</p> </body> </html>