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Re: Cannot manipulate array produced with string.match

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On Fri, 27 Jun 2014 09:17:43 +0200, SteveYoungTbird wrote:

> I have produced an array using:
> 
> var arr = [];
> arr = string.match(/(?:^| )([a-zäöüß]+)(?= [A-Z])/g);
> 
> This works as expected and the array is full and can be seen using
> console.log or alert().
> 
> The array consists of words which I need to filter, so I am trying to
> use .splice to remove unwanted instances of the same word using:
> 
> for (var i = arr.length - 1; i >= 0; i--) {
>     if (arr[i] === 'jim') {
>         arr.splice(i, 1);
>     }
> }
> 
> The for loop doesn't recognize any instances of, for instance, 'jim' in
> the array although there are several.
> 
> I tried the loop using an array I made myself and it worked fine, ie:
> 
> arr = ['jim', 'bob', 'arthur', 'jim', 'fred']
> 
> What is it about the array produced by the string.match that I am not
> understanding? Any help would be much appreciated.

Try using the following:

var i = arr.length;
while ( i-- )
    if (arr[i] === 'jim')
        arr.splice(i, 1);
    else
        console.log( "'" + arr[i].toString() + "' !== 'jim'" );

See what console.log is showing for words that don't match jim which you 
expected to match jim.

-- 
Denis McMahon, denismfmcmahon@gmail.com

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Thread

Cannot manipulate array produced with string.match SteveYoungTbird <stephen.young@chello.at> - 2014-06-27 09:17 +0200
  Re: Cannot manipulate array produced with string.match Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-27 10:02 +0000
    Re: Cannot manipulate array produced with string.match SteveYoungTbird <stephen.young@chello.at> - 2014-06-27 20:00 +0200
      Re: Cannot manipulate array produced with string.match Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-27 19:13 +0000
        Re: Cannot manipulate array produced with string.match SteveYoungTbird <stephen.young@chello.at> - 2014-06-27 22:18 +0200
          Re: Cannot manipulate array produced with string.match SteveYoungTbird <stephen.young@chello.at> - 2014-06-27 23:24 +0200
            Re: Cannot manipulate array produced with string.match Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-28 01:07 +0000
              Re: Cannot manipulate array produced with string.match Denis McMahon <denismfmcmahon@gmail.com> - 2014-06-28 01:16 +0000
            Re: Cannot manipulate array produced with string.match Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-06-28 23:53 +0200
              Re: Cannot manipulate array produced with string.match SteveYoungTbird <stephen.young@chello.at> - 2014-06-29 22:24 +0200
                Re: Cannot manipulate array produced with string.match Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-06-29 23:19 +0200
  Re: Cannot manipulate array produced with string.match JJ <jj4public@vfemail.net> - 2014-06-27 19:31 +0700

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