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Groups > comp.lang.javascript > #27919
| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: Expression for the global object |
| Date | 2015-05-29 13:33 +0200 |
| Organization | PointedEars Software (PES) |
| Message-ID | <15438118.NDL39TPNyL@PointedEars.de> (permalink) |
| References | <JavaScript-20150528222318@ram.dialup.fu-berlin.de> <645d86ba-2299-4371-bb64-90dae6df316a@googlegroups.com> <cspehuFliqhU1@mid.uni-berlin.de> <5567f976$0$12987$c3e8da3$5496439d@news.astraweb.com> <87k2vrmxr4.fsf@bsb.me.uk> |
Ben Bacarisse wrote:
> […] I think
> you can get a reference to the global object in any execution context
> using the rather convoluted
>
> (function () { return this; }).call(null)
>
> expression.
You are wrong.
> There might be some cases where this might be used in code,
There are.
> but it does not meet Stefan's other criterion as it is far too unwieldy
> to use in text.
Pardon?
> This works because a null value for 'this' is replaced by the global
> object when entering function code (10.4.3)., though the twisty passages
> of the standard always leave me a little unsure about corner cases.
AISB, in strict mode this function returns the “undefined” value.
Strict mode is not a "corner case" anymore.
It is _not_ going to work this way.
--
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
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Re: Expression for the global object "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2015-05-28 13:49 -0700
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-28 22:59 +0200
Re: Expression for the global object "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2015-05-29 07:24 -0700
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-29 17:24 +0200
Re: Expression for the global object "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2015-05-30 06:07 -0700
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-30 15:20 +0200
Re: Expression for the global object Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-05-30 11:23 -0300
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-30 19:05 +0200
Re: Expression for the global object Steven D'Aprano <steve@pearwood.info> - 2015-05-29 15:30 +1000
Re: Expression for the global object Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-29 12:25 +0100
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-29 13:33 +0200
Re: Expression for the global object Steven D'Aprano <steve@pearwood.info> - 2015-05-29 21:50 +1000
Re: Expression for the global object Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-29 14:57 +0100
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-31 16:18 +0200
Re: Expression for the global object "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2015-05-29 07:31 -0700
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-30 15:25 +0200
Re: Expression for the global object Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-30 18:56 +0200
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