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Groups > comp.lang.javascript > #28734
| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: How to manipulate integer that sometimes Nan and sometimes have a value? |
| Date | 2015-09-26 17:19 +0200 |
| Organization | PointedEars Software (PES) |
| Message-ID | <4175397.OLgykfH8RQ@PointedEars.de> (permalink) |
| References | (1 earlier) <4f31ec16-109f-43b2-9d50-b39d4fb47f84@googlegroups.com> <3cf46737-de54-489e-9d9d-89413b18c099@googlegroups.com> <87wpvdec2d.fsf@bsb.me.uk> <64092fce-7ef7-48d7-9e0d-27a2220fcfe0@googlegroups.com> <XnsA5219A84E49A9eejj99@194.109.6.166> |
Evertjan. wrote:
> What you probably mean is that the element may be
> EITHER undefined
> OR hold null OR a string OR an object.
>
> When testing with
>
> isNaN(element)
>
> it will return "true" because isNaN() returns true in all these cases.
isNaN("42") === false
isNaN({valueOf: function () { return 42; }}) === false
isNaN({toString: function () { return "42"; }}) === false
--
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
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How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-25 07:31 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-25 17:09 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-25 14:43 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 08:54 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Erwin Moller <erwinmollerusenet@xs4all.nl> - 2015-09-30 15:04 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-30 21:13 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Erwin Moller <erwinmollerusenet@xs4all.nl> - 2015-10-01 10:44 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-01 13:56 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? John Harris <niam@jghnorth.org.uk.invalid> - 2015-10-02 11:09 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-02 13:55 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-02 16:34 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Danny <dann90038@gmail.com> - 2015-09-25 15:11 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-25 17:50 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 08:59 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-26 04:25 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 15:00 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-26 06:15 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 15:34 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-26 08:06 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Tim Streater <timstreater@greenbee.net> - 2015-09-26 18:10 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 22:53 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Tim Streater <timstreater@greenbee.net> - 2015-09-26 22:37 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-27 10:05 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-27 08:42 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Tim Streater <timstreater@greenbee.net> - 2015-09-27 17:18 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-26 10:59 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 13:15 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-26 14:58 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 16:57 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-26 04:28 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 15:11 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-09-26 17:19 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-26 22:51 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-09-27 13:50 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-26 20:51 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-28 22:45 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-29 12:36 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-09-29 12:48 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-09-26 14:43 +0200
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-26 06:06 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? John Harris <niam@jghnorth.org.uk.invalid> - 2015-09-27 14:06 +0100
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-27 08:50 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-27 08:53 -0700
Re: How to manipulate integer that sometimes Nan and sometimes have a value? jonas.thornvall@gmail.com - 2015-09-27 09:02 -0700
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