GS.Async

https://www.youtube.com/watch?v=EiPytIxrZtU https://gist.github.com/prof3ssorSt3v3/afaba6d4477946ab04087e5b6b0351a2 https://gist.github.com/prof3ssorSt3v3/e753976dc5cc4d9607e67b64e0ac0ae7

https://developer.mozilla.org/ru/docs/DOM/Using_web_workers