Kevin Smith wrote:
But aren't non-BTFs rare based on your (revised and original)
measurements?
When you take out the object literal methods, that's right.
The precise way to say it would be that ~90% of function expressions in
the code I analyzed were either object literal methods or did not depend
on dynamic |this|.
Data are data, if numbers show that it is probably true, but it seems
strange to me, I always thought a big use case for dynamic this are the
DOM events... didn't they use this pervasively (it was my impression
$(this) is all over...).
That's exactly the reason I'm suggesting lexically bound |this| for "->"
functions, because outside of "methods" (which already have shorter
syntax, either via object literal extensions or classes), there doesn't
appear to be a great need for function expressions with dynamic |this|.
kevin
Herby
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