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How to set Form Field Client-Side Validation Error Message?

For the Frontend i would like to have a simple Form Validation (client side first) including a dedicated error message. The Field validation has been written and its working: document.addEventListener(...
Marco's user avatar
  • 691
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1 answer
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Custom Rule (checked) for ClientSide Validation

I have a Form that includes two radio inputs both based on this field structure: <field name="privacy_policy" type="radio" layout="joomla.form.field.radio.switcher"...
Marco's user avatar
  • 691
2 votes
1 answer
394 views

J4. Custom frontend server side form validation

Trying to create a custom validation rule in frontend, always get the same error: 0 Joomla\CMS\Form\Field\TextField::validate() rule Espaciocheck missing. Please, will the path to the file be wrong? ...
Peli's user avatar
  • 103