I have a radio buttons that let users select a Section which conditionally displays a select box of Categories with taxonomies.
The problem I am unable to resolve is making Categories select box required. Below is my code, required='true' property doesn't work. Please suggest how to make conditional select box required.
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This will require adding some custom script to the form. If you could share the temporary admin login details along with the link to the page with this form, I'll be in a better position to suggest some more pointers.
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