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Re: "ToNumber"

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  Re: "ToNumber" Aleksandro <aleksandro@gmx.com> - 2016-02-01 11:08 -0300

#29516 — Re: "ToNumber"

On 01/02/16 07:44, Stefan Ram wrote:
> ram@zedat.fu-berlin.de (Stefan Ram) writes:
>> < Math.floor()
>>> NaN
>> Is this specified by ECMAScript?
> 
>   In the meantime, I found this:
> 
>       »17 ECMAScript Standard Built-in Objects
> 
>       ...
> 
>       Unless otherwise specified in the description of a
>       particular function, if a built-in function or
>       constructor is given fewer arguments than the function
>       is specified to require, the function or constructor
>       shall behave exactly as if it had been given sufficient
>       additional arguments, each such argument being the
>       undefined value.«
> 
>   So, I hope that now I have found why »Math.floor()« behaves
>   like »Math.floor( undefined )«. Please let me know if you
>   think that the above quotation does /not/ apply here.

I don't see why this would not be the case, you give non-numbers to a
function that needs numbers, that's why you won't get a number either.

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