Tryit Editor

Edit the text above, and click on the button to see the result.

<html> <body> <script type="text/javascript"> document.write("Hello World!") s= "any raw html codes"; document.write("<br/> <textarea rows='30' cols='60'>"+s+"<!--/textarea>"); </script> </body> </html>
http://www.w3schools.com/default.asp