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Groups > comp.lang.javascript > #26507
| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: Can somebody explain this to me |
| Date | 2015-01-08 22:25 +0100 |
| Organization | PointedEars Software (PES) |
| Message-ID | <16148343.zv1zvVrlGz@PointedEars.de> (permalink) |
| References | (7 earlier) <1676759.bbBSSFFLiy@PointedEars.de> <66nsaal9kcls42elbn16dkbv3fiille47o@4ax.com> <m8ltkq$rq3$1@solani.org> <3105476.iMYZV00USQ@PointedEars.de> <m8mouj$ve1$1@speranza.aioe.org> |
Joao Rodrigues wrote:
> Thomas Lahn wrote:
>
> f();
> function f() { alert(x); }
> var x = 42;
>
> is implicitly executed as:
>
> var x;
> function f() { alert(x); }
> f();
> x = 42;
function f () { alert(x); }
var x;
f();
x = 42;
is equally possible. What matters is that the declarations would have to be
processed first.
> This behaviour is according to the specification:
> <http://ecma-international.org/ecma-262/5.1/#sec-12.2>
Rather <http://ecma-international.org/ecma-262/5.1/#sec-10.4>.
>> [...] A function defined with a function expression is not defined
>> before execution *passed* the latter.
>
> Imprecise terminology.
In which way?
>> […]
>> /* TypeError: undefined is not a function */
> ^^^^^^^^^
>> bar();
>>
>> var bar = function () {
>> return 42;
>> };
>
> "TypeError: bar is not a function"
The TypeError exception matters. Error messages that are not
user-defined can and do differ between ECMAScript implementations.
<http://ecma-international.org/ecma-262/5.1/#sec-15.11>
The error message I posted is that of Google V8 JavaScript in Chromium
“Version 39.0.2171.71 Built on 8.0, running on Debian 8.0 (64-bit)”, in
which I usually write private test code these days.
--
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
Please do not cc me. / Bitte keine Kopien per E-Mail.
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Can somebody explain this to me "Tony Johansson" <johansson.andersson@telia.com> - 2015-01-06 00:48 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-06 01:40 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-06 16:01 +0000
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-06 17:26 +0100
Re: Can somebody explain this to me Joao Rodrigues <groups_jr-1@yahoo.com> - 2015-01-07 00:45 -0200
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-07 04:35 +0100
Re: Can somebody explain this to me Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-01-07 16:15 -0200
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-07 21:20 +0100
Re: Can somebody explain this to me "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-01-08 00:00 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-08 00:09 +0100
Re: Can somebody explain this to me "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-01-08 10:53 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-08 16:17 +0100
Re: Can somebody explain this to me "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-01-08 17:04 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-08 19:02 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-07 15:37 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-07 17:01 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-08 10:43 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-08 13:16 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-08 16:43 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-09 20:16 +0000
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-09 22:11 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-10 16:58 +0000
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-11 12:41 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-12 15:46 +0000
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 18:01 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-13 10:38 +0000
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-14 16:06 +0000
Re: Can somebody explain this to me Scott Sauyet <scott.sauyet@gmail.com> - 2015-01-21 13:00 -0800
Re: Can somebody explain this to me Joao Rodrigues <groups_jr-1@yahoo.com> - 2015-01-21 20:53 -0200
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-22 11:43 +0000
Re: Can somebody explain this to me Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-01-22 10:20 -0200
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-23 19:42 +0000
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-28 18:14 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-22 11:39 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-22 13:27 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-23 14:36 +0000
Re: Can somebody explain this to me Scott Sauyet <scott.sauyet@gmail.com> - 2015-01-23 08:51 -0800
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-23 23:17 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-24 16:42 +0000
Re: Can somebody explain this to me Scott Sauyet <scott.sauyet@gmail.com> - 2015-01-24 15:35 -0800
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-25 11:08 +0000
Re: Can somebody explain this to me "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2015-01-26 08:33 -0800
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-27 14:10 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-28 15:50 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-28 18:26 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-29 10:29 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-31 00:37 +0100
Re: Can somebody explain this to me "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2015-01-28 13:30 -0800
Re: Can somebody explain this to me "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-01-28 22:40 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-29 10:32 +0000
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-29 10:23 +0000
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-29 11:04 +0000
Re: Can somebody explain this to me "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2015-01-26 08:21 -0800
Re: Can somebody explain this to me Scott Sauyet <scott.sauyet@gmail.com> - 2015-01-26 11:10 -0800
Re: Can somebody explain this to me Scott Sauyet <scott.sauyet@gmail.com> - 2015-01-22 06:36 -0800
Re: Can somebody explain this to me Tim Streater <timstreater@greenbee.net> - 2015-01-06 17:34 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-06 19:03 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-07 15:07 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-07 16:41 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-07 17:22 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-08 10:36 +0000
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-08 13:36 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-08 17:54 +0100
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-08 19:48 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-08 22:09 +0100
Re: Can somebody explain this to me Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-01-08 18:22 -0200
Re: Can somebody explain this to me "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-08 22:13 +0100
Re: Can somebody explain this to me Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-08 22:25 +0100
Re: Can somebody explain this to me John Harris <niam@jghnorth.org.uk.invalid> - 2015-01-08 10:25 +0000
Re: Can somebody explain this to me "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-01-08 11:33 +0100
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