[NaN].indexOf(NaN) === -1 VS Object.is(NaN, NaN)

[Michael Haufe]

The opposite seems to be true:

<https://gist.github.com/gists/search?q=%22case+NaN%22&x=0&y=0>
<
https://github.com/search?q=%22case+NaN%22&type=Everything&repo=&langOverride=&start_value=1
>

On Thu, Jun 14, 2012 at 5:25 PM, Mark S. Miller <erights at google.com> wrote:

>
> It's too late for ES6. In order to fix these for ES7, someone would
> need to gather evidence that the web corpus does not depend on the
> current broken behavior.
>
>
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