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HTML & CSS: TheComplete Reference
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HTML & CSS: TheComplete Reference
transform-origin ... Other uses of
<meta>
tags will be covered in
the reference section of Chapter 3.
Other Elements in the head
In addition to the
title
and
meta
elements, under theHTML 4.01 and XHTML ... of the browser window, termed frames. Each frame in
turn would reference another HTML/ XHTML document containing either a standard
document, complete with
< ;html& gt;
,
<head>
, and...
... in (X )HTML and then
check whether it conforms to the rules specified by the DTD used. This process of checking
whether a document conforms to the rules of the DTD is called validation.
The <!DOCTYPE> ... later in the
chapter. Table 2-5 summarizes the elements added by HTML5 at the time of this edition s
writing, andthe sections that follow illustrate their use. Again, Chapter 3 provides
a complete ...
overview of these attributes. We’ll take a look at many of these in upcoming sections and
a completereference for all is found in the next chapter.
The element reference in Chapter 3 provides the full...
...
a part of the image to be cut out and drawn to the canvas. The (sx,sy) coordinates are the
location on the image, and sw and sh are the width and height, respectively. The rest of the
parameters ... k u p
NOTE The term DHTML is more of a concept of using JavaScript a certain way with HTMLand
CSS than a particular technology.
The DOM specifications have now been retired andthe DOM bindings ... between HTML
and other technologies. This section provides a brief overview of some of the interesting
aspects of HTML5 that are not limited to markup.
defer Attribute
HTML5 standardizes the defer...
... 3
HTML and XHTML
Element Reference
T
his chapter provides a completereference for the elements in theHTML 4.01 and
XHTML 1.0 specifications. All known HTML5 elements at the time of this edition s ... and XHTML
There are many versions of HTMLand XHTML in existence (see Table 3-1). In the early
days, the specification of HTML was somewhat fluid, and browser vendors of all sizes
added their ... in thereference might be deprecated, but they are included
nevertheless either because browser vendors continue to support them or because they may
still be found in use.
Flavors of HTML and...
...
to (x,y) and a radius set as
defined by radius. The start
point is defined as the point
on the arc where the angle is
startAngle, andthe end
point is the point on the arc
where the angle ... specifies the bottom margin for the entire body of the page and
overrides the default margin. When set to 0 or "", the bottom margin is the bottom edge of
the window or frame the content ... For
XHTML compatibility, a closing slash is required: <br />.
ã Under the strict (X )HTML specifications and HTML5 , the
clear attribute is not valid.
The CSS property clear provides the...
... it is the outermost tag in a document, the
html element is called the root
element.
ã The
< ;html& gt; tag and its closing tag < /html& gt; are both mandatory under XHTML.
Under other specifications, ... range from 1 to 7, with 1 being the smallest and 3 the default. The relative values, +
and -, increment or decrement the font size relative to the current size. The value for
increment or decrement ... be set using the
size attribute of the
basefont element.
ã TheHTML 3.2 specification supports only the
color and size attributes for this
element.
ã HTML5 appears to define all the common...
... found online; the point is
that the element is quite flexible and has numerous uses.
ã TheHTML 2.0 and 3.2 specifications define only the
content, http-equiv, and
name attributes.
ã The meanings ... define a name associated with the element. In the
case of the map element, the name attribute is the common way to define the name of the
image map to be referenced by the usemap attribute within ... that point in the
document. The viewer can enter query terms to perform a search. This element is
deprecated under the strict HTMLand XHTML specifications and should not be used.
Standard Syntax...
... them anyway.
ã The strict HTMLand XHTML specifications drop support for the
width attribute,
which was not well supported anyway.
ã TheHTML 2.0 and 3.2 specifications support only the
width ...
345
PART I
ã The closing tag for the <p> tag is optional under theHTML specification; however,
under the XHTML 1.0 specification, the closing tag
</p> is required for XHTML
compatibility.
ã ... specifies the MIME type for the object’s data. This is different from
codetype, which is the MIME type of the object and not of the data it uses.
usemap This attribute contains the URL of the image...
...
where it takes the value of compact.
type The type attribute is used to set the bullet style for the list. The values defined under
HTML 3.2 andthe transitional version of HTMLand XHTML are circle, ... used to define the type of style sheet. The value of the attribute
should be the MIME type of the style sheet language used. The most common current value
for this attribute is text /css, which ... indicates a CSS format.
xml:space This attribute is included from XHTML 1.0 and is used to specify whether
spaces need to be preserved within the script element or the default whitespace handling...
... example up and running. In Figure 4-5, we see theCSS version of the page as
compared to the HTML- only version.
FIGURE 4-5 Example Hello CSS World rendering
Plain HTML
HTML styled
by CSS
Please ... http://htmlref.com/ch4/hellocssworld .html
The preceding example uses some of the common CSS properties used in (X )HTML
documents and there are some slight changes to the document structure because ... thumb:
ã The more specific the rule the more powerful.
ã The closer the rule is to the tag the more powerful.
So with these rules, we see that
id rules are more specific than class rules and thus...
... 5
CSS Syntax and
Property Reference
T
his chapter provides a completereference for the properties in the CSS1 andCSS 2.1
specification. Aspects of the CSS2 specification ... href="http://www.htmlref.com"> ;HTML: TheComplete Reference& lt;/a>
</body>
< /html& gt;
ONLINE http://htmlref.com/ch4/linkstates .html
Although theCSS rules associated with the states ... wins is to follow these
helpful rules of thumb:
ã The more specific the rule, the more powerful.
ã The closer to the tag the rule, the more powerful.
The specific nature of the rule generally...