Pertex pointed out the lack of compatibility with IE.
Should we focus on this at all?
I got tons of errors. The first was about a missing semicolon. Does IE know about ASI?
The last version of IE was 11, released in 2013. Quest 6 uses JavaScript version ES6 (ECMAScript 2015), which was released in 2015.
https://github.com/ThePix/QuestJS/wiki/JavaScript
According to here, usage is 1.13%.
So... No.