On Mon, Aug 25, 2014 at 4:30 AM, Boris Zbarsky <[email protected]> wrote:
> On 8/24/14, 10:26 PM, Mark Everitt wrote: > >> The problem remains that arrow functions make >> bind etc. unpredictable. >> > > I think part of Domenic's point is that return values of bind() also make > bind (and call/apply for that matter) unpredictable. > More fundamentally, I guess you could say that every function that doesn't use `this` makes `bind` unpredictable. Domenic's second example shows a function like that. I would argue that, if anything, arrow functions slightly improve predictability: before arrow functions, the only way to meaningfully "predict" the change in behavior that `bind` causes for a functions was by looking at its source code *and by ensuring that the function hasn't been bound already*. For arrow functions, you only need to inspect the source code. (Granted, this probably isn't *that* much of a real-world improvement.)
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