Use Ajax in the registration page to remind users instantly if they can register successfully

Source: Internet
Author: User
Tags date object connect mysql string stmt window
Ajax| page

Dizzy to see the 2-Day Ajax Beginner tutorial, for the Forum will do the registration page added technology to go in ...
Ajax actually sends a message in JavaScript to a servlet in the background, and then gets the message from the servlet's response. provided here
A simple registration page alerts the user that the registration name exists.

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