What is this?

[MalcolmBrt]

Hello, I don't know much about javascript but this line in amazon-ivs-worker.min.js seems weird, what does it do?

[besuper]

Hello, it's the latest version of the amazon ivs player (https://aws.amazon.com/ivs/). Twitch use this player on their website. If you go here https://docs.aws.amazon.com/ivs/latest/userguide/player-videojs.html you will see a link in the setup that return the same code