Isn’t the reason that, for quick JS execution, the JS executing process needs to be given access to low level system resources (ie a security risk), so Apple li

Isn’t the reason that, for quick JS execution, the JS executing process needs to be given access to low level system resources (ie a security risk), so Apple limits JS execution to just the code (WebKit) that they control? (I don’t know a lot about this subject...but that’s what I always understood).