Ajax in JavaScript using Countries REST API

In Ajax in JavaScript using the Countries REST API example, we will retrieve a list of countries dynamically and show a flag of the country when someone clicks on the country name.

[DG-cdjb]

It’s informative. How to make an ajax call from the html, once user enter the address on the customer form to fetch the city, state info from the api response, and display on the customer enrollment form city, state dropdown ?

[MjNaveen]

how can i get the weather for all countries