Hi everyone
I have a JavaScript app that creates an IFRAME through DOM
(createElement('IFRAME')) However, that IFRAME does not have any content
yet.
alert(iframe.contentWindow.document.documentElemen t)
gives null.
How can I, through DOM, create the root element? I can't find it.
My following question: In that IFRAME I need to load a stylesheet.
However, I can't seem to get the LINK in IFRAME thing working. I tried,
but IE 6 just seems to ignore the stylesheet speicified in the LINK. I
have the following code, in which win is the window of the IFRAME
(iframe.contentWindow).
eLink = win.document.createElement("LINK");
eLink.setAttribute("REL","stylesheet");
eLink.setAttribute("HREF", GUIstyleSheet);
eLink.setAttribute("TYPE","text/css");
win.document.documentElement.appendChild(eLink);
But this:
win.document.open();
win.document.writeln("<HTML><HEAD>");
win.document.writeln("<LINK REL=\"stylesheet\"
HREF=\""+GUIstyleSheet+"\" TYPE=\"text/css\">");
win.document.writeln("</HEAD><BODY></BODY></HTML>");
win.document.close();
does work? Does anyone know why? Or what I am doing wrong?
Thanks!
Vincent
7  2684 
Vincent van Beveren wrote: Hi everyone
I have a JavaScript app that creates an IFRAME through DOM
(createElement('IFRAME')) However, that IFRAME does not have any content
yet.
and it won't until you assign the src value.
http://www.w3.org/TR/DOM-Level-2-HTM...ml#ID-43933957
alert(iframe.contentWindow.document.documentElemen t)
contentWindow refers to a window object, just as iframe. contentWindow
is not a DOM 2 attribute anyway.
gives null.
How can I, through DOM, create the root element? I can't find it.
My following question: In that IFRAME I need to load a stylesheet.
However, I can't seem to get the LINK in IFRAME thing working. I tried,
but IE 6 just seems to ignore the stylesheet speicified in the LINK. I
have the following code, in which win is the window of the IFRAME
(iframe.contentWindow).
eLink = win.document.createElement("LINK");
eLink.setAttribute("REL","stylesheet");
eLink.rel = "stylesheet";
http://www.w3.org/TR/DOM-Level-2-HTM...ml#ID-41369587
Whenever you can, you should avoid setAttribute as a way to assign an
attribute; setAttribute does not work well in all browsers.
eLink.setAttribute("HREF", GUIstyleSheet);
I assume that GUIstyleSheet is a DOMstring variable.
eLink.href = GUIstyleSheet;
http://www.w3.org/TR/DOM-Level-2-HTM...ml#ID-33532588
eLink.setAttribute("TYPE","text/css");
eLink.type = "text\/css";
http://www.w3.org/TR/DOM-Level-2-HTM...ml#ID-32498296
win.document.documentElement.appendChild(eLink);
win.document.head.appendChild(eLink);
DU
But this:
win.document.open();
win.document.writeln("<HTML><HEAD>");
win.document.writeln("<LINK REL=\"stylesheet\"
HREF=\""+GUIstyleSheet+"\" TYPE=\"text/css\">");
win.document.writeln("</HEAD><BODY></BODY></HTML>");
win.document.close();
does work? Does anyone know why? Or what I am doing wrong?
Thanks!
Vincent
> Hi everyone
I have a JavaScript app that creates an IFRAME through DOM
(createElement('IFRAME')) However, that IFRAME does not have any content
yet.
and it won't until you assign the src value.
But thats weird. It must be possible to create an empty document and
fill it dynamically, right? Else I'll have to do
iframe.src='about :blank';
and thats ugly (I think).
Vincent
ps Thanks for the CSS info, that helped
Vincent van Beveren wrote: Hi everyone
I have a JavaScript app that creates an IFRAME through DOM
(createElement('IFRAME')) However, that IFRAME does not have any content
yet.
and it won't until you assign the src value.
But thats weird. It must be possible to create an empty document and
fill it dynamically, right? Else I'll have to do
iframe.src='about:blank';
iframe.src = 'blank.html';
where blank.html is a valid blank page.
Then, you modify the DOM of blank.html
If you run it from a web server, and try to modify the DOM of
about :blank, you will run into security issues.
--
Randy
Chance Favors The Prepared Mind
comp.lang.javascript FAQ - http://jibbering.com/faq/
>>>> I have a JavaScript app that creates an IFRAME through DOM (createElement('IFRAME')) However, that IFRAME does not have any
content
yet.
and it won't until you assign the src value.
But thats weird. It must be possible to create an empty document and
fill it dynamically, right? Else I'll have to do
iframe.src='about:blank';
iframe.src = 'blank.html';
But thats still not very neat. I mean, its not logical to first have to
load an external html file inorder to dynamically create one? Shouldn't
something like
iframe.contentDocument = new Document(those nice W3C things);
or
iframe.createContentDocument(those nice W3C things);
work/be implemented?
Vincent
Vincent van Beveren wrote: > I have a JavaScript app that creates an IFRAME through DOM
> (createElement('IFRAME')) However, that IFRAME does not have any
> content
> yet.
>
and it won't until you assign the src value.
But thats weird. It must be possible to create an empty document and
fill it dynamically, right? Else I'll have to do
iframe.src='about:blank';
iframe.src = 'blank.html';
But thats still not very neat. I mean, its not logical to first have to
load an external html file inorder to dynamically create one? Shouldn't
something like
iframe.contentDocument = new Document(those nice W3C things);
or
iframe.createContentDocument(those nice W3C things);
work/be implemented?
Vincent
IE thinks about :blank is a security risk when loading the main page
using https, and causes mixed mode warnings.
I've used
iframe.src = "javascript :parent.blank()"
to get around this. Where in the main window, you have a function
function blank()
{
return "<html></html>";
}
Again, it's ugly, but it works *now.*
Nige
On Sat, 3 Jul 2004 10:38:35 +0000 (UTC), ExGuardianReader
<no***@noway.com> wrote: iframe.src = "javascript:parent.blank()"
Recently I've had security problems with this too on cross window
iframe references in IE5.5sp2 fully patched. load a blank html doc
from your domain.
Jim.
--
comp.lang.javascript FAQ - http://jibbering.com/faq/
Vincent van Beveren wrote: > I have a JavaScript app that creates an IFRAME through DOM
> (createElement('IFRAME')) However, that IFRAME does not have any
> content
> yet.
>
and it won't until you assign the src value.
But thats weird. It must be possible to create an empty document and
fill it dynamically, right? Else I'll have to do
iframe.src='about:blank';
iframe.src = 'blank.html';
But thats still not very neat. I mean, its not logical to first have to
load an external html file inorder to dynamically create one? Shouldn't
something like
iframe.contentDocument = new Document(those nice W3C things);
or
iframe.createContentDocument(those nice W3C things);
work/be implemented?
Vincent
You have a good question here, I'd say. Apparently, you should be able
to do that but I have not found a single example of working code
anywhere and I tried my own and never could achieve anything despite
following thoroughly all documentations.
createDocument http://www.w3.org/TR/2000/REC-DOM-Le...createDocument
E.g.:
var PopupDoctype = document.implementation.createDocumentType("",
"!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN'",
"http://www.w3.org/TR/html4/strict.dtd");
var PopupDOMDocument = document.implementation.createDocument("",
"html", PopupDoctype);
PopupDOMDocument.title = "title here";
var objPopupBody = PopupDOMDocument.createElement("body");
etc..
If you can't use that (I couldn't achieve results in any browsers), then
just use an "about :blank" document and populate it dynamically. That
will work in many browsers. I have working examples on this.
There's also
createDocumentFragment http://www.w3.org/TR/2000/REC-DOM-Le...ml#ID-35CB04B5
"DocumentFragment is a "lightweight" or "minimal" Document object." http://www.w3.org/TR/2000/REC-DOM-Le...ml#ID-B63ED1A3
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