...........setInterval requestAnimationFrame
Chrome
9- not affected not supported
10 not affected paused
11+ >=1000ms paused
Firefox
3- not affected not supported
4 not affected 1s
5+ >=1000ms 2ns (n = number of frames since inactivity)
IE
9- not affected not supported
10+ not affected paused
Edge
13- not affected paused
14+ >=1000ms paused
Safari
5- not affected not supported
6 not affected paused
7+ >=1000ms paused
Opera
12- not affected not supported
15+ >=1000ms paused
Подберите себе старенький браузер. :)