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1291ECMAScript 5 spec - toISOString vs toJSON

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  • joel.finch@ymail.com
    Jul 5, 2009
      I noticed in the latest ECMAScript 5 spec that Date's toJSON is defined to return the same string as Date's toISOString. (as of: candidate-draft-tc39-2009-025_errata-5-19)

      Does this mean that toISOString should now be defined to return "null" for NaN dates, or that the strict 1:1 correspondence between toISOString and toJSON should be relaxed?

      I'm sorry to keep raising the issue of NaN dates, it's truly not all I think about, I just don't want to head into our bold new scriptalicious future with wiggle room for implementors.