Are there lists of countries and cities for js?

Saw the list of the Country/State, there are databases that are installed on the server, and even a service that provides similar functionality. But in the case of a large audience can cause problems with excessive requests and the app would lose users.

Concerning the decision.
If there is no technical ability or desire to set up a server and database, it is best to confine the list of countries. Otherwise very easy to find ready and full database of cities by country.
September 26th 19 at 07:18
2 answers
September 26th 19 at 07:22
September 26th 19 at 07:20
do you API for getting if to push as much data in js is not very good
and here is the data -

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