[Javascript] Checkbox validation

[Shawn Milo]

Kind of a weird thing. I think maybe you could just simplify it and use a
boolean. That should guarantee success, unless you need the actual count
later in the script.

Milo

On 1/4/06, Cutter (JS) <java.script at seacrets.com> wrote:
>
> OK, strange one here. Writing some custom form validation scripting on
> some dynamically created forms. Currently I have a form where a user can
> delete files from the system. They have the ability to check a checkbox
> (name='deletefiles' value=[filename]) for each file they wish to remove.
> When the form is submitted a formValidate() function is called and, in
> this instance, an isRequiredCheckbox(fldObj) function is called. This is
> to verify that at least one selection has been made. This works great if
> there are multiple files (which, in turn, means more than one checkbox),
> but doesn't work properly when there is only one file (and one
> checkbox)? Below is the basic code affected. Any ideas would be
> appreciated.
>
> Cutter
>
> //first of all you must know that the fldObj object has a property
> 'FieldName' that is the form field object
> // as in fldObj.FieldName = document.forms.myform.mycheckboxfield;
> function isRequiredCheckbox(fldObj){
>     valCheck = 0;
>     selChoices = -1;
>     for (counter = 0; counter < fldObj.FieldName.length; counter++){
>        if (fldObj.FieldName[counter].checked) {
>           selChoices = selChoices + 1;
>        }
>     }
>     if (selChoices < 0){
>        alert('You have not made any selections.');
>     } else {
>        valCheck = 1;
>     }
>     return valCheck;
> }
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