Hello, How to choose values based on the selected above?

There is a form in it to be a field for entering regions()
On the basis of them should show the cities of these regions in the
field
below()

I think it ajax
But I’m not experienced this
Can you recommend what to read for it or (halpers rails for this task)

P.S Thanks for wathing

you need to do that in javascript, I don’t think any part of Rails does
that for you.

check out
http://www.sanwebe.com/2013/05/select-box-change-dependent-options-dynamically

for a good explanation

there may be a rails gem or plugin that can help you, but I do not know
of what specifically for that purpose.

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