2016-04-19 10:40 GMT+02:00 Jordan Harband <[email protected]>: > (note that `Set#get(-1)` does not retrieve the last item in the set, for > example). >
Because Set.prototype.get doesn't even exist. And Set by definition is an unordered collection, so there is no "last" element. I think Array.prototype.get and Array.prototype.set are the way to go - it should not break backward compatibility. And it's consistent with Array.prototype.slice behaviour. BTW, this was discussed 3 years ago: https://esdiscuss.org/topic/array-prototype-last
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