Edit the text above

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

<html> <head> <script type="text/javascript"> function docOpen() { document.open() document.write("<h3>Hello World!</h3>") } </script> </head> <body> <form> <input type="button" onclick="docOpen()" value="Open a new document"> </form> </body> </html>