How does the new VKontakte audio player work?

Question

In contact with

According to the VKontakte blog entry “7 innovations of April”,

Audio recordings continue to play in the lower left part of the screen, even if you have moved to another page. Music from the list of your audio recordings plays in the background in almost all sections of VKontakte.

Question: how is it implemented?

Answer 1

read about histrory.pushState. This is in terms of the fact that the address is completely changed. Otherwise - everything is as in viperet's answer

Answer 2

Vkonatka does not reload the page when navigating through sections, the usual AJAX navigation (http://vkontakte.ru/audio#/feed) from here the music continues to play.