client-side check script for a list of "banned words"?

[Ken Fine]

I need a client-side check against a static list of "banned words" before a
form is submitted. Can someone point me to a script that does this?

 

[Ray at]

If you want to do it client-side, try asking in a client-side group. You
may want to do this server-side anyway, since if you do it client-side, all
of those words that you don't want to see will be in a view-source.

Ray at work