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LJHarb

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LJHarb

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Classes


Array.from()


The previous edit was nonsense; the mapper function is never "on an object", because it's passed in as a first-class value.

JavaScript language resources


Promise.prototype.then()


Array.from()


Revert to revision of 2016-10-25 06:44:28 by fscholz: "This "cryptic" bracket notation is incredibly common, is used by the spec, and universally means "optional argument"."