Duplicate Username should not be allowed

[Navy]

I have created UI for users to create their own username and password. Username and passwords are stored in JSON format.

Workflow: 1) When user clicks on Register Button, user will be presented with UI screen with username and password input text fields 2) When user enters username it invokes blur event which captures the value entered into input text field

My goal is to check the user entered "username" already exists or not. If "username" exists it should ask user to create new one.So duplicate usernames should not be allowed

How can we check for duplicates ??

[Luis Vasconcellos]

I would probably create a method on my model that would make an ajax request to my server in order to find out if that username is already taken or not.

Luis Vasconcellos

, 

Web Developer at DTM

E

ntão você gosta de ruby?

Eu também.

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