PIES provide the package/import mechanism which is absent in ES3 . And with many selected libraries, PIES will complement ES3!
PIES is a simple utility to obfuscate your email address from automated spambots. It is not meant to be the be-all-end-all of email shrouders, just a simple utility to hinder spammers.
A pastry with a bottom crust and filling baked in a sloping sided pan, oten topped with a crust as well.