LJHarb

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LJHarb

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Array.from()


Revert to revision of 2018-09-24 10:56:39.891245 by LJHarb: "`Array()` is never a good idea, and `.keys()` needlessly invokes the iterator protocol. An object literal with a "length" property is the best solution here."

Array.from()


Use a much less inefficient "range" implementation.

Symbol.prototype.description


fix polyfill link

Symbol.prototype.description


add examples with an empty description; add npm polyfill

Array.prototype.flat()


flat is now stage 3