[Javascript] Enumerating Other Window Objects

uplate at attbi.com uplate at attbi.com
Fri Mar 21 14:18:09 CST 2003


I'm really trying to learn how to maneuver about a child windows collections.
I have no nefarious intentions in mind if that is what you are asking.
> Interesting.  I'll have to look into that in more detail.
> 
> It appears that you are more interested in capturing links/anchors rather
> than every object on the other page.  Am I right, or have I misinterpreted
> your request again?
> 
> -- Dave Lovering
> 
> ----- Original Message -----
> From: <uplate at attbi.com>
> To: <javascript at LaTech.edu>
> Sent: Friday, March 21, 2003 1:05 PM
> Subject: Re: [Javascript] Enumerating Other Window Objects
> 
> 
> > I guess my earlier email wasn't very clear. What I was attempting to do
> was to
> > enumerate through objects on the child window opened with the window.open
> > method.
> > Here is my entire html document:
> >
> > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
> > <html>
> > <head>
> > <title>Link Test</title>
> > <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
> > <script language="JavaScript" type="text/JavaScript">
> > <!--
> > var myWin
> >
> > function openWin()
> > {
> >     myWin = window.open("http://www.drudgereport.com","myWin")
> > }
> >
> > function printLinks()
> > {
> >     var str = "";
> >     for (i=0;i< myWin.document.links.length;i++)
> >     {
> >         str = str +  myWin.document.links[i] + "<BR>";
> >     }
> >     document.write(str);
> > }
> > //-->
> > </script>
> > </head>
> >
> > <body>
> > <input name="Button2" type="button" onClick="printLinks()" value="Print">
> > <input type="button" name="Button" value="Open" onClick="openWin()">
> > </body>
> > </html>
> >
> > Perhaps this isn't possible, I'm pretty new to javascript.
> > > I thought so too, until I did a descending tree analysis.  Apparently,
> the
> > > window.opener sees as its first object a 'document', much like a 'frame'
> > > does.  Again, to get at the soft and squishy insides you need to punch
> > > through this crust by de-referencing to document.  [I've heard tell that
> > > this is somewhat variable, depending on which version of IE you are
> running,
> > > and/or whether you are using a Netscape model browser].
> > >
> > > If you can wave your magic wand to make this go away, I'll be glad to
> cheer
> > > the process from the sidelines.
> > >
> > > -- Dave Lovering
> > >
> > > (BTW -- many of the things inside Microsoft manuals don't work as
> described.
> > > If you think you've found a case where this convention is broken, try
> using
> > > a getProps routine to map out the properties associated with a given
> object
> > > layer.  I guarantee you many hours of fear, loathing, and surprise).
> > >
> > > ----- Original Message -----
> > > From: "Peter Brunone" <peter at brunone.com>
> > > To: "[JavaScript List]" <javascript at LaTech.edu>
> > > Sent: Friday, March 21, 2003 11:34 AM
> > > Subject: Re: [Javascript] Enumerating Other Window
> > >
> > >
> > > > Point of parliamentary procedure:  shouldn't
> > > >
> > > > window.opener.parent.document.framename
> > > >
> > > > be
> > > >
> > > > window.opener.parent.framename
> > > >
> > > > ?  I don't think you can get to the frameset through the document
> > > (although with IE 5.5 and above, you can treat iframes as CSS elements).
> > > >
> > > > Cheers,
> > > >
> > > > Peter
> > > >
> > > > ---------- Original Message ----------------------------------
> > > > From: "David Lovering" <dlovering at gazos.com>
> > > > Reply-To: "[JavaScript List]" <javascript at LaTech.edu>
> > > > Date: Fri, 21 Mar 2003 11:29:36 -0700
> > > >
> > > > >It isn't quite that simple.
> > > > >
> > > > >When a program spawns a remote, the parent can do pretty much as you
> > > said,
> > > > >and use
> > > > >
> > > > >    windowname.document.formname.varname.attribute  -- OR --
> > > > >    windowname.document.framename.document.formname.varname.attribute
> > > > >// one or more frames
> > > > >
> > > > >to call up the bits in the child window(s).
> > > > >
> > > > >When the child program wants to access items in the parent window, it
> is
> > > a
> > > > >bit more complicated.
> > > > >
> > > > >    For a single form, no-frame parent:
> > > > >
> > > > >    window.opener.document.formname.varname.attribute
> > > > >
> > > > >    For multiframe, multiform parent(s):
> > > > >
> > > > >    window.opener.parent.document.formname.varname.attribute -- OR --
> > > > >
> > > >
> > >
> >window.opener.parent.document.framename.document.formname.varname.attribute
> > > > >
> > > > >  It gets REALLY tedious when you start embedding things inside
> <OBJECT>
> > > > >declarations, as it appears with
> > > > >MicroSloth's defective DOM structure you can only go from the parent
> to
> > > the
> > > > >child, and not backwards.  I won't even attempt to give you a path
> map
> > > for
> > > > >this -- it is too complicated to explain lucidly in a few sentences.
> > > > >
> > > > >  The reason the second 'document' declarations are needed inside
> pages
> > > with
> > > > >frames is that the frame acts as a document boundary, and to access
> the
> > > > >internals of one you must 'bust-through' the hard outer layer to get
> at
> > > the
> > > > >soft and chewy insides.
> > > > >
> > > > >  Hope this helps.
> > > > >
> > > > >  -- Dave Lovering
> > > > >
> > > > >----- Original Message -----
> > > > >From: "Chris Tifer" <christ at saeweb.com>
> > > > >To: "[JavaScript List]" <javascript at LaTech.edu>
> > > > >Sent: Friday, March 21, 2003 7:49 AM
> > > > >Subject: Re: [Javascript] Enumerating Other Window
> > > > >
> > > > >
> > > > >> You just have to target which window you want to look through by
> > > > >> using the handler you used when opening the window.
> > > > >>
> > > > >> Chris Tifer
> > > > >> http://www.emailajoke.com
> > > > >>
> > > > >> ----- Original Message -----
> > > > >> From: <uplate at attbi.com>
> > > > >> To: <Javascript at LaTech.edu>
> > > > >> Sent: Friday, March 21, 2003 9:30 AM
> > > > >> Subject: [Javascript] Enumerating Other Window
> > > > >>
> > > > >>
> > > > >> > Greetings;
> > > > >> >
> > > > >> > using the window.open() method is it possible to open another URL
> and
> > > > >then
> > > > >> > enumerating through it's links or images arrays?
> > > > >> > Opening the window is no problem and even using a for loop to
> > > retrieve
> > > > >the
> > > > >> links
> > > > >> > on the current document is no probllem, but I can't seem to get
> the
> > > two
> > > > >> working
> > > > >> > together.
> > > > >> > Any ideas?
> > > > >> > Thanks.
> > > > _______________________________________________
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> > > > Javascript at LaTech.edu
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> > > >
> > >
> > >
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> 
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