Require at least 1 field to be filled out to submit post - Meta Box

This topic has 1 reply, 2 voices, and was last updated 5 months, 1 week ago by Peter.

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December 29, 2022 at 1:24 PM #40056

shmaltz
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I have a form with 3 fields in it, and the user has to fill out at least one of them.

It can be any of the 3 fields.

Is it possible to verify this with JavaScript before submitting?

(I would like to show them an error message).

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December 29, 2022 at 9:55 PM #40062

Peter
Moderator

Hello,

The JS validation only helps you to validate one field itself. If you want to validate that at least one field has value, please try to use the form validation with PHP code. Read more on the documentation https://docs.metabox.io/extensions/mb-frontend-submission/#validation

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