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How do I use arrow functions when I provide thisArg to an Array method?

I like arrow functions for their concise syntax.

However, they appear not to be usable as thisArg parameter, that allows to enclose a state in the many Array methods and static functions that support it:

  • Array.from
  • Array.prototype.filter
  • Array.prototype.map
  • ...

Array.from({ length: 1 }, () => console.log(this), 'Hello'); // window

Is it somewhat possible to use arrow functions and retrieve the proper this when thisArg is being provided?

about 4 years ago · Juan Pablo Isaza
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