Rails spinoffs - Apr 2008 - Get a reference to the BODY tag node with no ID or class attribute

Is there a way to get a reference to the BODY tag node in the DOM if
it has no class or ID attribute by which to select it?

I want to insert a dynamically created node right before the closing
body tag.  Here''s where I was going, but I''m not sure how to
reference
the BODY tag node.

var body_tag = ?

var speaker_div = new Element(''div'', { ''id'':
''my_div'', ''style'':
''width: 1px; height: 1px;'' }).insert(body_tag, { position:
''bottom'' });
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Just document.body?  I was thinking Prototype might have a cross-
browser compatible method...
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er... couldn''t you just do something like...

var speaker_div = new Element(''div'', { ''id'':
''my_div'', ''style'':
''width: 1px; height: 1px;'' })

document.write(speaker_div)

?

On Wed, Apr 23, 2008 at 5:44 PM, broberts
<broberts80-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> Is there a way to get a reference to the BODY tag node in the DOM if
> it has no class or ID attribute by which to select it?
>
> I want to insert a dynamically created node right before the closing
> body tag.  Here''s where I was going, but I''m not sure how
to reference
> the BODY tag node.
>
> var body_tag = ?
>
> var speaker_div = new Element(''div'', {
''id'': ''my_div'', ''style'':
> ''width: 1px; height: 1px;'' }).insert(body_tag, {
position: ''bottom'' });
> >
>
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Bryan,

Thanks.  I ended up answering my own question.  I didn''t actually need
to insert before the BODY tag like I had originally thought.  As for
your comment about document.write, I was concerned that I might
encounter some cross-browser compatibility issues that Prototype might
have already overcome.

On Apr 23, 4:48 pm, "Brian Williams"
<brianw1...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> er... couldn''t you just do something like...
>
> var speaker_div = new Element(''div'', {
''id'': ''my_div'', ''style'':
> ''width: 1px; height: 1px;'' })
>
> document.write(speaker_div)
>
> ?
>
> On Wed, Apr 23, 2008 at 5:44 PM, broberts
<brobert...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > Is there a way to get a reference to the BODY tag node in the DOM if
> > it has no class or ID attribute by which to select it?
>
> > I want to insert a dynamically created node right before the closing
> > body tag.  Here''s where I was going, but I''m not
sure how to reference
> > the BODY tag node.
>
> > var body_tag = ?
>
> > var speaker_div = new Element(''div'', {
''id'': ''my_div'', ''style'':
> > ''width: 1px; height: 1px;'' }).insert(body_tag, {
position: ''bottom'' });
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Sorry.. "Brian"
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Check out this patch by jdalton for a multi document support [1]

If iframes are out of the question, then "document.body" should do
just fine.

[1] http://dev.rubyonrails.org/ticket/11475

- kangax

On Apr 23, 5:44 pm, broberts
<brobert...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Is there a way to get a reference to the BODY tag node in the DOM if
> it has no class or ID attribute by which to select it?
>
> I want to insert a dynamically created node right before the closing
> body tag.  Here''s where I was going, but I''m not sure how
to reference
> the BODY tag node.
>
> var body_tag = ?
>
> var speaker_div = new Element(''div'', {
''id'': ''my_div'', ''style'':
> ''width: 1px; height: 1px;'' }).insert(body_tag, {
position: ''bottom'' });
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Thanks kangax.  Thankfully I''m not trying to insert into an iframe
this time around, but Ive taken note of the patch in case I do in the
future.
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document.body is cross browser i believe.
you can always do $(document.body) to have it extended
or a more expensive $$(''body'')

- JDD
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