Clear clipboard to prohibit unauthorised copying, insert message?

Question

Is it possible to write your own message into the clipboard when copying website data using ctrl+c? I\'ve found some Javascript that clears the clipboard - would be interest

Answer 1

You can't do it purely through JavaScript.

JavaScript editing of the clipboard is considered a security vulnerability (and there is much more discussion on this).

You could do it through hacks that uses Flash for clipboard access interacting with JavaScript.