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

Rails
1

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

2

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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