[Javascript] Integer and String

[Hakan Magnusson]

I'm a bit lost, but if focus_id is always a string when you want it to 
be "false", this might work.

if(typeof(focus_id)=='string') {
	focus_id = x;
}

Regards,
H

Flavio Gomes wrote:
> People, I'd like an opnion about the loop I created:
>  
> I pass "form" (an actual form object) as an argument to a function that 
> loops over this form's inputs and validates them:
>  
>  
> //=============================
> function validateForm(objForm)
> {
>   error_message = "";
>   focus_id      = "";
>  
>   for (x = 0; objForm[x]; x++)
>   {
>     name = (objForm[x].name)?objForm[x].name:"";
>     switch (name)
>     {
>       case "id_number":
>       if(!objForm[x].value)  //if value wasnt informed
>       {
>         error_message += "* \"ID Number\" must be informed\n";
>         if(!focus_id) { focus_id = x; } //if "focus_id" isnt set, then 
> store it
>       }
>       break;
>      
>       case "member_name":
>       if(!objForm[x].value)  //if value wasnt informed
>       {
>         error_message += "* \"Member Name\" must be informed\n";
>         if(!focus_id) { focus_id = x; } //if "focus_id" isnt set, then 
> store it
>       }
>       break;
>    }
>   }
>  
>   if(error_message != "")
>   {
>     alert(error_message);
>     objForm[focus_id].focus(); //Focus the input whose focus_id was stored
>     return false;
>   }
> }
> //=============================
>  
>  
>  
> Now you ask me: "Ok, and what's the problem":
>  
>   In the line where I commented "if(!focus_id) { focus_id = x; }" the 
> "x" for "id_number" is "0" and even if I store it, on the next check 
> "if(!focus_id)" it returns true and set the "focus_id" to the next input...
>   The nearest to solution that I found was this:  
> "if(focus_id.toString() != parseInt(focus_id));", and that's what I'd 
> like to hear suggestions on.
>  
> Thanks in advance,
>  
> --
> Flavio Gomes
> flavio at economisa.com.br <mailto:flavio at economisa.com.br>
> 
> 
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> 
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