Javascript: Variable scope question

Mon May 17 11:37:48 PDT 2004

different syntax maybe will help?
e.g.

<script language="javascript">
document.forms["form1"].elements[0].checked = true ;
document.forms["form1"].elements[2].checked = true ;
</script>

On Mon, 16 Sep 2002 16:21, Joel Hammer wrote:
> I tried your suggestion, and get the same error with netscape 7. opera
> still works fine.
>
> Here is the actual javascript that is causing the problem. It is a bit
> wordy but I don't want to edit it too much for fear of leaving out some
> subtle clue.
>
> <form name="form1" action="none">  <----I have defined form1 here!!!!
>
> <p><input type=Checkbox name="0"  value = "USE: Lung: All specimens."
> onClick = "ProcessChoice(this.form,name)" > USE: Breast: All specimens.</p>
> <p id="intro"><input type=Checkbox name="1"  value = "Surgical Pathology
> Cancer Case Summary onClick = "ProcessChoice(this.form,name)" > <a name =
> "1" href = "#1" title="Center this section">Surgical Pathology Cancer Case
> Summary </a></p> <p><input type=Checkbox name="2"  value = "LUNG  $1"
> onClick = "ProcessChoice(this.form,name)" > <a name = "2" href = "#2"
> title="Center this section">LUNG  </a></p>
>
> ======Lots of stuff snipped out===========
>
> p><input type=Checkbox name="119"  value = "     COMMENT ? $1" onClick =
> "ProcessChoice(this.form,name)" > <a name = "119" href = "#119"
> title="Center this section">100 ___  COMMENT ? </a></p>
>
> </form>     <----Close form here
>
> <script>
> document.form1[1].checked = true  <----This gives the error (form1 not
> defined.)
>
> document.form1[2].checked = true
> </script>
> NOTE: The javascript is actually sourced in with an src statement, with all
> the proper incantations, like so:
> <script src="Tail.js" language = "javascript" type="text/javascript">
> </script> Any suggestion accepted gratefully.
> Joel
>
> On Mon, Sep 16, 2002 at 07:45:32PM -1000, jmcd9336 wrote:
> > Are you explicitly accessing the dom i.e using window. or document. ?
> >
> > Also are you using methods defined in a later javascript version while
> > the browser only paritially supports EMCAScript or javascript 1.whatever
> >
> > netscape has some great js resources
> >
> > http://developer.netscape.com/docs/manuals/js/core/jsref14/index.htm
> >
> > <body>
> > <form name="form1" action="none">
> >    Big long form
> >    <input type=checkbox name=checkbox1>
> > </form>
> > <script language="javascript">
> > document.form1.checkbox1.checked = true;
> > </script>
> > </body>
> > </html>
> >
> > On Sun, 8 Sep 2002 05:25, Joel Hammer wrote:
> > > I would appreciate it if anyone could comment on this.
> > >
> > > I have written a long javascript, which, at the end of the day, only
> > > runs on Opera and IE. (netscape, galeon, konqueror, mozilla  all fail
> > > to run correctly.)
> > >
> > > I am trying to track down why netscape 6.2 won't work.
> > > One reason seems to be the typeof command. Netscape doesn't seem to
> > > support it. This is a small annoyance.
> > >
> > > But, a very big problem seems to be variable scope.
> > >
> > > It is looking like IE and opera will allow a function to simply use a
> > > global variable whereas Netscape insists that the variable, at least if
> > > it is an array, be explicitly passed to it. This is fixable.
> > >
> > > The third problem I don't know how to describe in few words. So, I'll
> > > give the example:
> > > <html>
> > > <body>
> > > <form name = "form1" action = "none">
> > >    Big long form
> > > </form>
> > > <script>
> > > form1[1].checked = true
> > > </script>
> > > </body>
> > > </html>
> > > Results in a form1 not defined error.
> > > The odd thing is, netscape's later behavior indicates it knows about
> > > form1.
> > >
> > > Opera and IE handle this situation just fine.
> > >
> > > So, I am confused.
> > >
> > > Any insight appreciated.
> > > Joel
> > >
> > >
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> >
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>
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-- 
James McDonald
Systems Engineer

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