Title: afarinasso's Replies | WordPress.org

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# afarinasso

  [  ](https://wordpress.org/support/users/afarinasso/)

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## Forum Replies Created

Viewing 2 replies - 1 through 2 (of 2 total)

 *   Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    In
   reply to: [[User Registration & Membership - Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder] Add javascript for registration field validation](https://wordpress.org/support/topic/add-javascript-for-registration-field-validation/)
 *  Thread Starter [afarinasso](https://wordpress.org/support/users/afarinasso/)
 * (@afarinasso)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/add-javascript-for-registration-field-validation/#post-16992206)
 * Hi again, sorry about my ignorance, I have a number field on the registration
   form called ‘rut’, i need to check if this field have some characteristics with
   a function that returns true or false, can you send to me an example of how to
   use on it?
   $(document).trigger(“user_registration_frontend_validate_before_form_submit”,[
   $this]);Sorry and thanks again, I’m embarrassed but I couldn’t apply it, you 
   save my life.
 *   Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    In
   reply to: [[User Registration & Membership - Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder] Add javascript for registration field validation](https://wordpress.org/support/topic/add-javascript-for-registration-field-validation/)
 *  Thread Starter [afarinasso](https://wordpress.org/support/users/afarinasso/)
 * (@afarinasso)
 * [2 years, 10 months ago](https://wordpress.org/support/topic/add-javascript-for-registration-field-validation/#post-16944405)
 * Hi!, very thanks for your response, I´ll try it.
   Have a good day!
 * Andrés

Viewing 2 replies - 1 through 2 (of 2 total)