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Re: Initialize multi-dimensional array

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Archos schrieb:
> I want to initialize a multidimensional array to a determined value
>
> I can do:
> var a2 = new Array(2); for (var i0=0; i0<2; i0++){ a2[i0]=new
> Array(4); }
> for (var i0=0; i0<2; i0++){ for (var i1=0; i1<4; i1++){ a2[i0]
> [i1]=1; }}
>
> or shorter:
> var a2 = new Array(2); for (var i0=0; i0<2; i0++){ a2[i0]=new
> Array(4); for (var i1=0; i1<4; i1++){ a2[i0][i1]=1; }}
>
> But is there any another way to do it shorter? Without use `var a2 =
> [[1,1,1,1], [1,1,1,1]]`

What do you mean with "shorter"? Less code? Faster execution? If you 
don't want to use array literals, there will always be two loops:

var a=[];for(var i=0;i<2;i++){a[i]=[];for(var j=0;j<4;j++)a[i][j]=1;}

There might be tricky expressions with less code, but you don't really 
want them.

  Bergi

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Thread

Initialize multi-dimensional array Archos <raul.san@sent.com> - 2012-01-24 15:09 -0800
  Re: Initialize multi-dimensional array Denis McMahon <denismfmcmahon@gmail.com> - 2012-01-25 09:56 +0000
  Re: Initialize multi-dimensional array Andreas Bergmaier <andber93@web.de> - 2012-01-25 11:48 +0100
    Re: Initialize multi-dimensional array Archos <raul.san@sent.com> - 2012-01-25 04:37 -0800
      Re: Initialize multi-dimensional array Richard Cornford <Richard@litotes.demon.co.uk> - 2012-01-25 06:35 -0800
    Re: Initialize multi-dimensional array Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-01-25 19:39 +0100
      Re: Initialize multi-dimensional array Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-01-28 01:42 +0100
  Re: Initialize multi-dimensional array "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2012-01-25 09:38 -0800
  Re: Initialize multi-dimensional array Dr J R Stockton <reply1204@merlyn.demon.co.uk> - 2012-01-25 19:33 +0000
    Re: Initialize multi-dimensional array Ross McKay <au.org.zeta.at.rosko@invalid.invalid> - 2012-01-26 11:56 +1100
      Re: Initialize multi-dimensional array Dr J R Stockton <reply1204@merlyn.demon.co.uk> - 2012-01-27 20:09 +0000

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