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Re: How to have multiple and undetermined number of arguments for function?

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Jake Jarvis wrote:

> Am 10.10.2016 um 16:57 schrieb justaguy:
>> I have one array as an argument for my the function in question, such
>> array reads as ['grantor_row2','input','text',70].
>>
>> In my loop for arguments, I have the following code with the intention of
>> excluding this array,
>> 
>> if (!arguments[counter][0].indexOf('_row2')) {
>>  console.log(arguments[counter][0]);
>> }
>>
>> But the console did not return the value of 'grantor_row2'.  What's
>> wrong?
> 
> You are actually checking if the first element starts with "_row2".

No, they are very likely checking if the first item of the argument with 
zero-based index “counter”, arguments[counter][0], does _not_ start with 
"_row2".

Very likely arguments[counter][0] is a String value, "grantor_row2", so 
arguments[counter][0].indexOf() would be equivalent to calling 
String.prototype.indexOf() on arguments[counter][0].  That method returns, 
as a Number value, the zero-based index of the start of its argument, the 
substring (“needle”), within its “this” value, the searched string 
(“haystack”); it returns -1 if the haystack does not contain the needle.  
And any Number value *other than 0* results in Boolean “false” when it is 
the operand of the Boolean Not (“!”) operator.

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How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-08 14:48 -0700
  Re: How to have multiple and undetermined number of arguments for function? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-10-09 00:07 +0200
    Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-08 16:03 -0700
      Re: How to have multiple and undetermined number of arguments for function? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-10-09 09:59 +0200
  Re: How to have multiple and undetermined number of arguments for function? John Harris <niam@jghnorth.org.uk.invalid> - 2016-10-09 15:35 +0100
    Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-09 11:22 -0700
      Re: How to have multiple and undetermined number of arguments for function? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 20:09 +0100
        Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-09 13:32 -0700
          Re: How to have multiple and undetermined number of arguments for function? "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2016-10-09 23:26 +0200
            Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-09 15:18 -0700
              Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-10 07:57 -0700
                Re: How to have multiple and undetermined number of arguments for function? Jake Jarvis <pig_in_shoes@yahoo.com> - 2016-10-10 17:26 +0200
                Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-10 08:50 -0700
                Re: How to have multiple and undetermined number of arguments for function? Jake Jarvis <pig_in_shoes@yahoo.com> - 2016-10-10 18:53 +0200
                Re: How to have multiple and undetermined number of arguments for function? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-10-10 18:22 +0100
                Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-10 11:20 -0700
                Re: How to have multiple and undetermined number of arguments for function? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-10-10 17:28 +0100
  Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-09 11:20 -0700
    Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-09 12:10 -0700
  Re: How to have multiple and undetermined number of arguments for function? justaguy <lichunshen84@gmail.com> - 2016-10-10 17:05 -0700

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