The <h> element is used to signify headings. There are six levels written as <h1...h6>.
The above heading is <h3>.
Below is a horizontal rule made by using the <hr> element which is both empty and a block-level (always appearing on its own line) element.
The horizontal rule element has width, size, and align attributes.
The rule below has a width of 50% and a size of "10".
<i> is an inline element (no longer the preferred method) that italicizes words.
The <kdb> (keyboard text) element indicates information that the user should enter by using monospaced font.
<p> (paragraph) element is used to "contain narrative content."
<pre> (preformatted text) encloses preformatted text that needs its white space preserved. CSS can now control this.
<small> (small text) element changes the size of enclosed font to one size smaller than the text of the parent element.
<sub> (subscript text) element does things like H2O.
<sup> (superscript text) does things like E=MC2.
<u> (underlined text) this element underlines things.
The XHTML core attributes (can be applied to most elements): class, id, lang, style, title.
There are also javascript-related attributes. The book lists twelve of them. My javascript lessons.
the <script> element is used to either include a script within the document or to specify the location of an external script file to be executed. Linking to an external script file looks like this:
<script type="text/javascript" src="script.js></script>
the <script> element may be placed anywhere within a document. The script will be called when the parser encounters the <script> element.
the <object> element is used to include an external file that requires an additional software program to run within your document (videos, MP3, etc.) This element requires several attributes whose values are determined by the type of object.
View the source code to see how this © copyright symbol was made. It can also be done this way © using the numeric character value. There are many characters that can be displayed this way. Like an umlaut ü.
Also, when using an ampersand put something behind it like this & (view source.)
Moving on to Chapter Four --hyperlinks.