Object.is()

Andreas Rossberg rossberg at google.com
Tue Jan 7 05:40:48 PST 2014


On 23 December 2013 03:17, Alex Kocharin <alex at kocharin.ru> wrote:
>
> That's something I never really understood when I was reading ES5 spec, where -0 is a special case, and a sole reason why `x === Number(String(x))` is not true for all numbers.

NaN is another special case. IEEE equality is just broken,

> Why isn't it stringified as "-0"? How did that happen? Do somebody really check if something is less than zero using "-" in string representation?

Lacking true integers, that would break JavaScript's poor man's
emulation of arrays.

/Andreas


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