[Javascript] How many seelct items have been selected

[Flavio Gomes]

  if (objType=="select")
  {
   for(y=0;obj[x][y];y++)
   if(obj[x][y].selected)
   { numchecked++; }
  }


Syntax not tested, but that's the idea.
Because each line on the select is a new object

---
Flavio Gomes
flavio at economisa.com.br



dev at qroute.net wrote:

>I wrote this function to cycle thro the options to find out how many
>selected or checked.
>
>function  GetOptionCount(obj,objType)
>
>
> var numchecked=0;
> var returnVal = ""
> for(var x = 0; x < obj.length; x++){
>  if (objType=="select")
>  {
>   if(obj[x].selected)
>   {
>    //alert(obj[x].selected + '\n\n' + obj[x] + '\n\n' + x + 'value=' +
>obj[x].value)
>    numchecked++;
>   }
>  }
>  else
>  {
>   if(obj[x].checked)
>   {
>    numchecked++;
>   }
>  }
> }
> return numchecked;
>}
>
>
>But it reports count 1 as the selected count in the following select  !...
>
>
><select name="Height_Feet" >
> <option value="" >Select your Height</option>
> <option value="137" > &nbsp;&nbsp;4'6 " (1m 37cm)</option>
> <option value="140" > &nbsp;&nbsp;4'7 " (1m 40cm)</option>
> <option value="142" > &nbsp;&nbsp;4'8 " (1m 42cm)</option>
> <option value="145" > &nbsp;&nbsp;4'9 " (1m 45cm)</option>
> <option value="147" > &nbsp;&nbsp;4'10 " (1m 47cm)</option>
> <option value="150" > &nbsp;&nbsp;4'11 " (1m 50cm)</option>
> <option value="152" > &nbsp;&nbsp;5'0 " (1m 52cm)</option>
> <option value="155" > &nbsp;&nbsp;5'1 " (1m 55cm)</option>
> <option value="157" > &nbsp;&nbsp;5'2 " (1m 57cm)</option>
> <option value="160" > &nbsp;&nbsp;5'3 " (1m 60cm)</option>
> <option value="162" > &nbsp;&nbsp;5'4 " (1m 62cm)</option>
> <option value="165" > &nbsp;&nbsp;5'5 " (1m 65cm)</option>
> <option value="167" > &nbsp;&nbsp;5'6 " (1m 67cm)</option>
> <option value="170" > &nbsp;&nbsp;5'7 " (1m 70cm)</option>
> <option value="173" > &nbsp;&nbsp;5'8 " (1m 73cm)</option>
> <option value="175" > &nbsp;&nbsp;5'9 " (1m 75cm)</option>
> <option value="178" > &nbsp;&nbsp;5'10 " (1m 78cm)</option>
> <option value="180" > &nbsp;&nbsp;5'11 " (1m 80cm)</option>
> <option value="183" > &nbsp;&nbsp;6'0 " (1m 83cm)</option>
> <option value="185" > &nbsp;&nbsp;6'1 " (1m 85cm)</option>
> <option value="188" > &nbsp;&nbsp;6'2 " (1m 88cm)</option>
> <option value="190" > &nbsp;&nbsp;6'3 " (1m 90cm)</option>
> <option value="193" > &nbsp;&nbsp;6'4 " (1m 93cm)</option>
> <option value="195" > &nbsp;&nbsp;6'5 " (1m 95cm)</option>
> <option value="198" > &nbsp;&nbsp;6'6 " (1m 98cm)</option>
> <option value="201" > &nbsp;&nbsp;6'7 " (2m 0cm)</option>
> <option value="203" > &nbsp;&nbsp;6'8 " (2m 3cm)</option>
> <option value="206" > &nbsp;&nbsp;6'9 " (2m 6cm)</option>
> <option value="208" > &nbsp;&nbsp;6'10 " (2m 8cm)</option>
> <option value="211" > &nbsp;&nbsp;6'11 " (2m 11cm)</option>
> <option value="213" > &nbsp;&nbsp;7'0 " (2m 13cm)</option>
> <option value="216" > &nbsp;&nbsp;7'1 " (2m 16cm)</option>
> <option value="218" > &nbsp;&nbsp;7'2 " (2m 18cm)</option>
> <option value="221" > &nbsp;&nbsp;7'3 " (2m 21cm)</option>
> <option value="223" > &nbsp;&nbsp;7'4 " (2m 23cm)</option>
> <option value="226" > &nbsp;&nbsp;7'5 " (2m 26cm)</option>
> <option value="228" > &nbsp;&nbsp;7'6 " (2m 28cm)</option>
> <option value="231" > &nbsp;&nbsp;7'7 " (2m 31cm)</option>
> <option value="234" > &nbsp;&nbsp;7'8 " (2m 34cm)</option>
> <option value="236" > &nbsp;&nbsp;7'9 " (2m 36cm)</option>
> <option value="239" > &nbsp;&nbsp;7'10 " (2m 39cm)</option>
> <option value="241" > &nbsp;&nbsp;7'11 " (2m 41cm)</option>
> <option value="244" > &nbsp;&nbsp;8'0 " (2m 44cm)</option>
> <option value="247" > &nbsp;&nbsp;&gt; 8'0 " (2m 44cm)</option>
></select>
>
>
>It reports the  <option value="" >Select your Height</option> as the
>selected item.
>Any clue what could be happening ?
>
>
>Validation code is as follows;
>
>Height_Feet = GetOptionCount(window.document.aboutme.Height_Feet,"select")
>if (Height_Feet==0) { message = message + '\n' + 'Height [Feet] field is
>left blank.' ;donotsubmit = true; if (firstculprit == "" ) {firstculprit =
>'Height_Feet' ;firstculpritobject = "s"}}
>
>Unfortunately, Height_Feet comes as 1 so although nothing is selected, my
>function still reports one is already selected.
>
>_______________________________________________
>Javascript mailing list
>Javascript at LaTech.edu
>https://lists.LaTech.edu/mailman/listinfo/javascript
>  
>