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| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
| Newsgroups | comp.lang.javascript |
| Subject | Re: object giving errors |
| Date | Thu, 12 Dec 2019 10:11:54 +0100 |
| Organization | PointedEars Software (PES) |
| Lines | 44 |
| Message-ID | <4494564.GXAFRqVoOG@PointedEars.de> (permalink) |
| References | <h5Cdnb0TscbyZWzAnZ2dnUU7-f3NnZ2d@westnet.com.au> |
| Reply-To | Thomas 'PointedEars' Lahn <cljs@PointedEars.de> |
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Andrew Poulos wrote:
> Why is it that when I do this
>
> function pos() {
> return { "top": 10, "left": l20 };
> }
>
> or this
>
> function pos() {
> let o = { "top": 10, "left": l20 };
> return o;
> }
>
> I get "Uncaught ReferenceError: l20 is not defined".
>
> But when I do it like this
>
> function pos() {
> let o = {};
> o.top = 10;
> o.left = 120;
> return o;
> }
>
> I get no errors?
The first code snippet contains a reference to the variable with identifier
(in words) “‘U+006C Latin Small Letter L’, followed by ‘U+0032 Digit Two’,
followed by ‘U+0030 Digit Zero’”; the second one contains the decimal
numeric literal (in words) “one hundred twenty” (i.e. “U+0031 Digit One”,
followed by “U+0032 Digit Two”, followed by “U+0030 Digit Zero”).
Using an *unambiguous* *monospace* font like “DejaVu Sans Mono” (free
software), “Bitstream Vera Mono” (Open Source) or “Consolas” (proprietary;
de Groot/Microsoft), and an editor supporting code completion, like
Atom(.io), and a code checker like ESLint(.org), for software development,
helps to avoid such problems.
--
PointedEars
FAQ: <http://PointedEars.de/faq> | <http://PointedEars.de/es-matrix>
<https://github.com/PointedEars> | <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | Please do not cc me./Bitte keine Kopien per E-Mail.
Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
object giving errors Andrew Poulos <ap_prog@hotmail.com> - 2019-12-12 19:20 +1100
Re: object giving errors Julio Di Egidio <julio@diegidio.name> - 2019-12-12 00:31 -0800
Re: object giving errors Andrew Poulos <ap_prog@hotmail.com> - 2019-12-12 20:36 +1100
Re: object giving errors Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2019-12-12 10:11 +0100
Re: object giving errors Andrew Poulos <ap_prog@hotmail.com> - 2019-12-12 20:38 +1100
Re: object giving errors Julio Di Egidio <julio@diegidio.name> - 2019-12-12 02:21 -0800
Re: object giving errors "R.Wieser" <address@not.available> - 2019-12-14 17:24 +0100
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