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Thread: automatic filled in registration form if a user already exist in the database

  1. #1
    Join Date
    Dec 2017
    Posts
    1

    automatic filled in registration form if a user already exist in the database

    a registration that asks for input name, address, contact, and email.
    if the said registrant already has information stored in the database, those will be automatically filled in before clicking the submit button.


    need help, new to web dev

  2. #2
    Join Date
    Mar 2007
    Location
    localhost
    Posts
    5,765
    Why?

    This feature already exists, its commonly called "Auto-complete" and is not part of javascript, html, php or any language for that matter, its part of the users browser, so it is up to the user to say if they want their browser to save the item data or not.
    --> JavaScript Frameworks like JQuery, Angular, Node <--
    ... and please remember to wrap code with forum BBCode tags:-

    [CODE]...[/CODE] [HTML]...[/HTML] [PHP]...[/PHP]

    If you can't think outside the box, you will be trapped forever with no escape...

  3. #3
    Join Date
    Oct 2017
    Posts
    15
    If a user is already in database why would you like to fill in the registration form again? In such a case most often there is only displayed a message informing that user already exists.
    In general to automatically populate some fields when a field was filled, you can use JavaScript events (eg. keyup, focusout) and Ajax features.

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