Online journals are basically the online versions of the print journals.These journals are available on "pay as-you go"or "cost- per-account basis"via online hosts or vendors,such as Dialog,OCLC etc.
E-Journals are published and distributed via internet.These are electronic versionsof existingjournals.Some of them also exist only in electronic version.Today, many printed journals are available in electronic form on internet,either free of charge or on subscription.