Make an ajax request on submit on register page with custom fields

by user3533235   Last Updated January 09, 2018 09:10 AM

I'am on Joomla! 3.8.3, on the register form i have added some custom fields. I want when the user submit the form, make a check on one custom field to check if the value entered is in the list of values in a specific table.

Is it possible to do it ?

Thanks by advance

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