Help w/ wp_dropdown_categories and 2nd selection (1 post)

  1. Matt
    Posted 6 years ago #

    Is there any way to populate a 2nd wp_dropdown_categories instance based on the selection made in the first wp_dropdown_categories without submitting the form first? In other words, I want the first drop down to list just the main category (Region), then when somebody selects the appropriate region, the 2nd dropdown would list all countries in that region (using child_of)

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