How to make a smooth map zoom when entering the site?

Question

Google

Let's say the site is a map. (google / yandex)
How to make it so that when you enter the site, it itself starts zooming to the desired value?

Answer 1

https://developers.google.com/maps/documentation/j...
Found everything.
Below the map is the code with an example, here we look at the events and values:
https://developers.google.com/maps/documentation/j...