"Similar to [`instanceof`](https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/instanceof) operator,
with a difference being that `Type` can be from a scope that has a different top level
object, like in a case where `Type` is a function from a different iframe, module or sandbox. "

->

"This is similar to the [`instanceof`](https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/instanceof) operator. The difference is that that the `Type` constructor can be from a scope that has a different top level
object: for example, it could be from a different iframe, module or sandbox."