In my Elm app, I have two ‘select’ elements, ie dropdowns. The first is the main category, the second a list of sub-categories dependent on the content of the main category. For example, if the main category shows a list of countries, then the sub-category contains a list of cities within that coun…

For this we use a type ParentChildSelection type ParentChildSelection = NoSelection | ParentSelected String | ChildSelected String String If you select a new country, this will become ParentSelected Greece. In that case the view will need to decide what to show for city. After selecti…

Multiple dropdown synchronisation

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RickBradford October 16, 2020, 7:24am 13

OK, I think I get that, thanks.

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Multiple dropdown synchronisation

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