Drop dot notation for internal data properties
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Nathan-Wall commented
See https://mail.mozilla.org/pipermail/es-discuss/2013-October/033962.html . Specifically Allen's statement "The dot notation is never used in the spec to refer to internal data properties."
Example from current draft (taken from IsPromise):
Return true if IsObject(x) and x.[[IsPromise]] is true.
I don't know what the correct notation would be, but [[IsPromise]] is an internal data property, so should probably not be accessed with dot notation.
This may have just been a notational convenience and something you intended to change later, but I didn't see a ticket for it so thought I would file one to help catch it early rather than later.
Great job so far, by the way!
domenic commented
Fixed by tonight/this morning's commits.