Accessing (n)th key from an object

[Mike Samuel]

On Tue, Apr 24, 2018 at 9:54 AM, somonek <somonek at gmail.com> wrote:

> Hi all,
>
> Assuming that
>
> const myObject = {
>   one: 123,
>   two: 456,
> };
>
> could
> myObject[in 0] === 'one' // true
>
> be a better alternative of
> Object.keys(myObject)[0]
>
> and
> myObject[in 3] === undefined
>
> without the need to convert all the object keys into an array, but
> directly accessing one.
>

Why is this something that warrants extra syntax and not an optimization
better left to sufficiently smart engines?
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