Copy to clipboard - Best of web -

After spending few hours, reading and analyzing 'copy to clipboard' solutions using javascript or system clipboard ctrl-c & ctrl-v (on MAC, cmd-c & cmd-v), These are the best solutions/discussions. These questions have been asked millions of times because, 99% of the answers are just re-directed or assumed to be working. So I am putting here, best answers. This may not be exact code solutions. - http://stackoverflow.com/questions/9658282/javascript-cut-copy-paste-to-clipboard-how-did-google-solve-it?rq=1 - http://support.google.com/docs/bin/answer.py?hl=en&answer=161768