[Javascript] Checkbox challenge

[Shawn Milo]

----- Original Message -----
From: <dev at qroute.net>
Date: Thu, 6 May 2004 16:58:35 -0700
To: "[JavaScript List]" <javascript at LaTech.edu>
Subject: Re: [Javascript] Checkbox challenge

> I did it this way; it worked. Thank you guys !...
> 
> <script>
> function  CheckMax(maxNo,obj)
> {
>  var numChecked = 0
> 
>  var bolPop=false;
>  for(var x = 0; x < obj.length; x++){
>   if(obj[x].checked){
>    numChecked++
>    if (numChecked>=maxNo) {
>     bolPop=true
>     obj[x].checked=false
>    }
>   }
>  }
> 
>  if (bolPop)
>  {
>   alert('You have already selected '+maxNo+' items. ')
>  }
> 
>  return true;
> }
> </script>

<snip>

If it works, it works.  But personally, I would avoid 
the extra variable.  If you already have 'numChecked', 
why not just use that as your test for whether you
should pop up the 'alert' box?

Shawn