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| From | Thomas 'PointedEars' Lahn <PointedEars@web.de> |
| Newsgroups | comp.lang.javascript |
| Subject | Re: Values of statements |
| Date | Sun, 05 Feb 2017 18:36:10 +0100 |
| Organization | PointedEars Software (PES) |
| Lines | 37 |
| Message-ID | <3075942.V25eIC5XRa@PointedEars.de> (permalink) |
| References | <statement-20170205003911@ram.dialup.fu-berlin.de> |
| Reply-To | Thomas 'PointedEars' Lahn <cljs@PointedEars.de> |
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Stefan Ram wrote:
> In JavaScript, statements have values.
In all ECMAScript implementations.
> For example, the if statement has a value and thus it is very similar to
> the ternary operator.
>
> const name = a =>
> { "use strict";
> return eval
> ( "if( a === 0 )'Null'; else if( a === 1 )'Eins'; else 'Zwei';" ); }
> undefined
>
> name( 0 )
> "Null"
>
> name( 1 )
> "Eins"
>
> name( 2 )
> "Zwei"
>
> But can something like the above be written without »eval«?
Yes.
> (I.e., can the value of an if statement be obtained without »eval«?)
No.
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Re: Values of statements Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-05 18:36 +0100
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