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Re: explode a string function gets an undefined result

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In article <f938f9dd-e322-4370-bc80-379ea36b83aa@googlegroups.com>,
JRough <janis.rough@gmail.com> wrote:

>var str = 'janis';
>var myfunc = function explode(str){
>for (var i=0, out; i< str.length; i++){
>out = out + " " + str.charAt(i);
>    
>}
>   alert(out);
>}
>output = myfunc(str);
>
>why is the result "undefined j a n i s???, thanks

You haven't initialised "out".

-- 
"People don't buy Microsoft for quality, they buy it for compatibility
with what Bob in accounting bought last year. Trace it back - they buy
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explode a string function gets an undefined result JRough <janis.rough@gmail.com> - 2015-09-06 18:03 -0700
  Re: explode a string function gets an undefined result Tim Streater <timstreater@greenbee.net> - 2015-09-07 09:37 +0100
  Re: explode a string function gets an undefined result Stefan Weiss <krewecherl@gmail.com> - 2015-09-07 14:26 +0200
    Re: explode a string function gets an undefined result Tim Streater <timstreater@greenbee.net> - 2015-09-07 15:58 +0100
  Re: explode a string function gets an undefined result JRough <janis.rough@gmail.com> - 2015-09-08 14:29 -0700
    Re: explode a string function gets an undefined result "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-09 00:01 +0200
      Re: explode a string function gets an undefined result Stefan Weiss <krewecherl@gmail.com> - 2015-09-09 00:50 +0200
        Re: explode a string function gets an undefined result "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-09-09 09:19 +0200
        Re: explode a string function gets an undefined result JRough <janis.rough@gmail.com> - 2015-09-09 10:30 -0700
    Re: explode a string function gets an undefined result Tim Streater <timstreater@greenbee.net> - 2015-09-09 22:15 +0100

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