Javascript In Xhtml Strict

Jul 11, 2002

does anyone know of any sites that use (validating) xhtml strict, and also use javascript functions - rollovers etc?

(the strict dtd won't allow you to use the "name" attribute, in images, so I want to find out what the solution is to this problem)

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Select An Element In A Form Using Xhtml Strict

Dec 19, 2004

I am coding xhtml strict for my pages for the first time and I got some one problem with javascript:

I don't know how to modify the scripts to target elements on the page where the name attribute is deprecated.



<form action="test.php" method="post">
<div><input name="text" />
<input type="submit" name="submit" value="search" /></div>
how can I modify the code to select such fild in such form ?

The following one is not working:


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XHTML Strict Validation For Custom Attributes?

May 1, 2010

how I can get my custom attributes to validate in XHTML Strict? I have to have it validate as it is for a class.Example of the form:

HTML Code:
input onkeyup="TF_filterTable(document.getElementById('dataTable'), filter)" size="40" tf_colkey="name"tf_searchtype="substring" />
Example of the JS:

var inputs = frm.getElementsByTagName("INPUT");
for (var i=0;i<inputs.length;i++)
{ //looping thru all INPUT elements[code].........

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Field Validator, With Inputs In Two Different Divisions. XHTML Strict?

Aug 10, 2009

I am using a javascript to validate that all form fields are filled in here:[URL].. The form input fields in the top div can be validated no problem. However, when I add to the javascript, this section of code:

if (document.forms['secondform'].firstname.value=="") {
themessage = themessage + " - First Name

And so on for the next few input boxes, the javascript stops working entirely, passing the user onto the next page without actually validating the fields. I feel it is because I am not calling the input boxes correctly in the javascript, but I am unsure how to do it.

I was thinking that maybe because they are in a different division if I added that in there somewhere I could get it clear up, but no such luck yet.

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Adsense Doesn't Show Up On XHTML 1.0 Strict Website / Fix It?

May 10, 2009

Adsense ads are not working on a site with XHTML 1.0 Strict doctype which is served as text/html. Any ideas what could be the problem?

One more thing, the ads show up on my localhost properly.

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Xhtml W/javascript And Css Only Works In IE

Jul 23, 2005

There are two main things which I am trying to work through:

Drop down menu (bottom of page) - which only works in IE (on pc) right
now, although it should work on all browsers except opera.
Traditionally in a HTML 4.0 Transitional environment.

Div content that scrolls - placed correctly and works in IE and that's
it. Here is an example of the working script on another site . Traditionally in
a Xhml strict.

My goal is to get this page to look as good in Netscape and on the mac
as it already does in IE.

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Xhtml Complient Javascript

Aug 6, 2004

the following line is erroring in an xhtml validator:

var ns6clock=document.getElementById && !document.all

the && is erroring, but I cant work out how to change it eg to the ascci value? Code:

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Javascript: Valid For XHTML And Cross Browsers?

Jul 26, 2006

I'm considering in teaching myself some javascript, but before I take the time to read up and experiment, I had a few questions.

Is javascript XHTML 1.0 STRICT Valid?
Is javascript valid for any version of XHTML?
Is javascript easily cross browser compatiable, or will this take a long time to work around?

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XHTML Javascript Image Swap Conflict

Jan 28, 2007

I am using a simple javascript image insertion on my XHTML page, and I have encountered a problem. The Javascript code fails to execute when the doctype is XHTML on Firefox (works on Opera). However, when I simply rename the file with an HTML extension, the code executes on all browsers. Code:

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Update JS To Work With A Strict DOCTYPE

Nov 16, 2006

I am now using a strict !DOCTYPE and want to ensure that my pages comply. The Javascript I used to use no longer works - how can I seperate it from the structure of the page?

<input name="rdo1" id="rdo12" type="radio" checked="checked" value="didnt"

<textarea name="txtarea1" id="txtarea1" cols="20" rows="5">

<script type="text/javascript">

Clear default form value

function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""

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Changing Doctype From Strict To Transitional Stops Script?

Oct 12, 2010

1- I have a Tabs list (Services/Solutions/Internal...) in below website which has been done using Javascript.


Now if I change the Doctype from Strict to Transitional the javascript ceases to work correctly (and I was not able to find why).

See here:


2- I need the Transitional doctype because my language menu does not work with Strict!!! and I guess fixing the Javascript might be easier than that.

What is the problem? What should I do to avoid such problems? (I guess I prefer strict type XML documents).

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Expand / Collapse At Vendor Level Fails With XHMTL Strict 1.0 And IE 7

Aug 25, 2010

I was able to achieve Collapsing/Expand at Project Level but not at the vendor level. However, same HTML works fine with IE 8 and FF. The Expand/Collapse at the Vendor Level fails with XHMTL Strict 1.0 and IE 7.

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Nov 30, 2005

I am trying to include and xml document inside my xhtml document. There
are a number of reasons for this including portability, multiple
interface generation, and scalability of information.
My problem is that javascript is understanding the nodes in my xml
document as html elements.

<title>Lord of the Rings</title>

If I parse this, the title element cannot be extracted and the page
title(in the browser) becomes "Lord of the Rings".
Is there a way to exclude this xml node from the xhtml rules?

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Feb 27, 2007

Maybe you can answer a question for me: I'm reading the preview for XML web development (sitepoint book) and it clearly shows IE rendering XML (the author states IE5 and above); does that mean that IE's problem with XHTML is CDATA and not XML universally? If that's true then IE could render an albeit gimped XHTML page which would explain why HTML 4.01 and XHTML are virtually synonymous in IE 6.

Is there a workaround for this in JavaScript, if the above is true?

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Getting Correct Xhtml From DIV

Dec 23, 2005

I'm facing the bug about the failure of innterHTML while
reading xhtml content inside a DIV, in fact it has passed as html
removing the closing of some nodes. Is there a way to read the content
of the div perfectly how it is in the page, kind of:

var obj = document.getElementById("myDIV");
var realContent = obj.toString();

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IE6, Xhtml, Scrollbars And You

Jul 20, 2005

IE6 in standards mode doesn't seem to hide scrollbars on the body element
(overflow:hide) Ain't this a quandary. I have it in my head that I need to
specify html instead. The scrollbars do hide on Gecko browsers though, so
there is definitely a disagreement among browser developers on how to
implement scrollbars (as a side note, Gecko browsers with their notoriously
bug-ridden resize code seem to always screw up when asked to stretch and
scroll divs, even when the page is reloaded on every resize!)

My first thought is to modify the CGI that generates the style sheet as I
already have code that deprecates the document type when hidden scroll bars
are required on IE6 (but not IE5.) This is based on the simple empirical
evidence that the scroll bars are still there on IE6 in standards mode, so
the optimal document type (XHTML strict) cannot be used. So I could just
change this to output an html style (rather than a body style) for IE6 and
lose the deprecation (it wouldn't be needed at this point.)

So the question is this. Given that CGI-based processing of browser
versions for these kinds of tweaks is taboo, what would you check on the
client side before dynamically generating the style for the body and/or html
element? It doesn't seem like you could just send both as this would surely
break some older browsers (I know you can do tricks with comments and such,
but that only works for NS4 and maybe IE3 AFAIK.)

documentElement is the only thing I can think of that indicates standards
mode and NS6/Mozilla support this AFAIK.

IE Conditional comments perhaps? I would hate to hard-code a test for a
browser version number into the actual document (for obvious reasons), but I
guess it is an alternative if the browser version is exposed to these

I don't see any other way to deal with a situation like this than with
server-side code that looks at the browser's version number and makes the
necessary adjustment. And there are lots of little differences like this
that just don't seem to have viable client-only solutions. There's DirectX
stuff (probably is an object detect for that) and funky colored scrollbars
(hey people ask for them) and document margins (Opera did them slightly
differently than the rest as I recall) and now this scrollbar thing.

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Xhtml Validation

Aug 15, 2007

How do you get JS to validate? Am more or less positive my JS used to validate now the following won't even pass

if(1==1 && 2==2)


why? because the validator wants &amp;&amp;

Any ideas how even that script can be validated. The doc type is transitional.

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InnerHTML Mangles The Xhtml

Jul 23, 2005

When using innerHTML to insert xhtml IE5+ mangles the xhtml completely. For example it removes the quotes from attributes. It also does other ridiculous things like on a <div> it will insert the enbedded style="DISPLAY:BLOCK"! This is a documented feature you can find in msdn.

Is there a way to disable this quite appalling feature?

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Creating XHTML In An Iframe

Aug 26, 2005

I am trying to find a way to load XHTML content in an Iframe.

I use to do this in html by using the following code :

var iframeObject = document.createElement("iframe");
var data =

This works fine. I can create my content dynamicly and synchroniously.
No problem.

No I try to switch to XHTML, but have trouble getting th eiframe to
understand that it gets XHTML data. It simply assumes that the data is
I tried to add the contentType with the .open() arguments:

var iframeObject = document.createElement("iframe");
var data = "<!DOCTYPE html PUBLIC "-//W3C//DTD ..etc..
+ "<html xmlns="" > etc etc </html>";"application/xhtml+xml", true);

The code runs but the content is not seen as xhtml, so I can't mix html
and xml. Someone gave me the hint to use the following:


This works, the data gets loaded and is actually seen as xhtml, but..
the loading happens async in stead of sync.

Is there anyone who can help me with :
- does"application/xhtml+xml", true) work at all?
should it work ?

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Document.createElement() In XHTML

Nov 25, 2006

I try the following in Firefox and other modern browsers:

window.addEventListener('load', function() {
document.title = CSS.getClass('fontSize');
var div = document.createElement('div');
}, true);

It works fine in normal HTML mode (Content-type: text/html), but in
XHTML mode it alerts "[object Element]" instead of "[object
HTMLDivElement]" and the second alert shows "undefined" instead of
"[object CSSStyleDeclaration]". So I can't reach the style declaration
which is important for me. Strict mode makes trouble again and again,
the biggest bug: document.write does not work:

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Textarea In XHTML 1.0 Transitiona

Nov 7, 2007

I've just been converting my ASP v2.0 web site to use master pages which by
default uses this doctype:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

whereas before it used to use:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

This appears to have effected the multi-line textarea tag in that it doesn't
completely obey the height attribute. It appears to adjust the height to the
nearest line height.

Is there anyway to get around this?

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XHTML, <script>, Opera

Jul 20, 2005

Opera 7 doesn't appear to support the <script> element in XHTML. Does
this mean that it impossible to use Javascript with XHTML? Or is there
a workaround, such as the legacy method, in HTML, of commenting out the
Javascript code.

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JQuery :: Can't Deal With XHTML DOM?

Mar 21, 2010

Can JQuery deal with XHTML DOM?I was told that it cannot and that I should use only HTML Strict.

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XHTML 1.1 Valid Aligning

Apr 24, 2007

An easy XHTML1.1 valid way of aligning divsfunction XHTMLAlign(tagid, align){

var viewportwidth;
var viewportheight;

// the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight

if (typeof window.innerWidth != 'undefined')
viewportwidth = window.innerWidth,
viewportheight = window.innerHeight

// IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)

else if (typeof document.documentElement != 'undefined'
&& typeof document.documentElement.clientWidth !=
'undefined' && document.documentElement.clientWidth != 0)
viewportwidth = document.documentElement.clientWidth,
viewportheight = document.documentElement.clientHeight

// older versions of IE

viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
viewportheight = document.getElementsByTagName('body')[0].clientHeight

var tag = document.getElementById(tagid);"absolute";
if( == ""){ = "0";
if( == ""){ = "0";
if( == ""){ = "0";
if( == ""){ = "0";
if( == ""){
if (tag.width != ""){ = tag.width;
} else { = "0";
if( == ""){
if (tag.height != ""){ = tag.height;
} else { = "0";
if ( align=="left" ){ + "px"; viewportwidth - (parseInt( + parseInt( + "px";
} else if ( align=="right" ){ + "px"; - (parseInt( + parseInt( + "px";
} else if ( align=="center" ){ ((viewportwidth - parseInt( - parseInt( + parseInt( + "px"; ((viewportwidth - parseInt( + parseInt( - parseInt( + "px";
if ( align=="top" ){ + "px"; viewportheight - (parseInt( + parseInt( + "px";
} else if ( align=="bottom" ){ + "px"; - (parseInt( + parseInt( + "px";
} else if ( align=="vcenter" ){ ((viewportheight - parseInt( - parseInt( + parseInt( + "px"; ((viewportheight - parseInt( + parseInt( - parseInt( + "px";

setInterval('XHTMLAlign("divid", "center")', 100);
setInterval('XHTMLAlign("divid", "vcenter")', 100);

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XHTML-compliant Document.write

May 10, 2006

How can I make an XHTML-compliant form of an expression in this

document.write("<scr"+"ipt type='text/javascript' src='path/to/file.js'>"+"</scr"+"ipt>");

this turns out to be a non-trivial exercise. inserting '&lt;' and
'&gt;' causes the browser to write the text to the page as literal
text rather than as the intended script element. Using escape codes
seemed to work (makes it standard compliant) but the text is not
written to the page.

The point is to have a conditional branch in which, when a certain
condition is true, a script tag will be generated that will call a
JS include that responds to the specific condition.

This procedure works in the present implementation -- but fails XHTML
compliance testing. Now, we would like to have both.

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Document.createElement Is Not XHTML Standard

Jan 2, 2007

I've been creating a script that dynamic loads js files.

but after creating that script, (and i use
document.createElement('script');) in that function.. i've realise that
the code that shows up in the browser is:

<script type="text/javascript">

should it be

<script type="text/javascript" />


<script type="text/javascript"></script>

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