On Tue, Jun 5, 2018 at 7:50 AM, Paul Bone wrote:
> Could you explain (or point me to an explaination) of what Realms are for?
> I've gathered that they're a TC39 thing that's being added, maybe for
> security? but since they don't restrict references between realms the way
> compartments and CCWs do, maybe I'm mistaken? Why add them?
> I expect the answer is in one of the references or almost-common knowledge,
> but I seem to have missed it, sorry.
Realms are a TC39 thing, but they're not new - a "realm" is just a global
object and things associated with it (for instance, each global object has
its own copy of Object.prototype and other builtin functions and
prototypes). See https://tc39.github.io/ecma262/#sec-code-realms
So if you have a website with 10