Object.getPrototypeOf vs. Reflect.getPrototypeOf

Claude Pache claude.pache at gmail.com
Sat Dec 6 07:54:47 PST 2014


> Le 6 déc. 2014 à 12:13, Andrea Giammarchi <andrea.giammarchi at gmail.com> a écrit :
> 
> I also would like to know if freezing or sealing an object should block the operation so that `Reflect.setPrototypeOf` could return false.
> 

Successfully freezing, sealing, or preventing extensions makes the prototype immutable, without regard to what API is used to attempt to change it. More generally, see:

http://people.mozilla.org/~jorendorff/es6-draft.html#sec-invariants-of-the-essential-internal-methods

—Claude
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