This commit is contained in:
Ilya Kantor 2017-03-21 17:14:05 +03:00
parent ab9ab64bd5
commit 97c8f22bbb
289 changed files with 195 additions and 172 deletions

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Yeah, looks strange indeed.
But `instanceof` does not care about the function, but rather about its `prototype`, that it matches against the prototype chain.
And here `a.__proto__ == B.prototype`, so `instanceof` returns `true`.
So, by the logic of `instanceof`, the `prototype` actually defines the type, not the constructor function.