How to get Yandex Metrica counter id?

Question

JavaScript

How to get the id-counter of Yandex Metrica installed on the site using js?

Answer 1

var id = Ya.Metrika.counters()[0].id;
Pokovyryal, it turns out there is an array of counters.
ID of the counter on the site with enabled webvisor:

var id = Ya.Metrika.counters().filter(x => x.webvisor)[0].id;

Answer 2

not normally.

for(var i in window){
    if(new RegExp(/yaCounter/).test(i)){
        console.log(i);
    }
}

Answer 3

there is also a window.Ya._metrika.counters object with id => counter