[Javascript] Integer and String

[Flavio Gomes]

Nice nice, pretty much less complicated.. "typeof" I'll remind this one..
Seems pretty useful!
 Thanks.
----- Original Message ----- 
From: "Hakan Magnusson" <hakan at backbase.com>
To: "[JavaScript List]" <javascript at LaTech.edu>
Sent: Monday, April 26, 2004 11:27 AM
Subject: Re: [Javascript] Integer and String


> 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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