<DOCTYPE html> <head> <meta charset=utf-8> <title>テキストエディタ読み込み</title> <link rel="stylesheet" type="text/css" href="editor.css"> <style> </style> </head> <body> <form method="POST" action="./textcode.rb"> <textarea name="example">ここに入力</textarea> <input type="submit" value="Let Go"> </form> </body> </html>