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  • Thanks for the suggestion Jonathan.

    I want to pre-fill a select field within a repeater row, based off the same sub-field in the previous row, before any of the data is saved to the database so JavaScript is the only option I can see.

    I noticed the select2_args filter on the bottom of the Adding custom javascript to fields page, but its documentation is minimal. I assume $select is the current field, but args and settings are not clear.

    Can you provide more detail about this filter and how it works?