Appendix A: Tag Summary

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Anchor (<A>): Ch. 6
Defines a section of text as either a hyperlink (using HREF) or as the target of another hyperlink (using NAME).
Blockquote (<blockquote>): Ch. 3
Defines text as being quoted material. This text is separated from other text, usually indented, and in some browsers is italicized by default.
Body (<BODY>): Ch. 2
Defines the main portion of an HTML document. All material between the BODY tags is shown in the browser display window.
Boldface (<B>): Ch. 5
Causes text to be boldfaced.
Comment (<!-- comment -->: Ch. 2
Prevents enclosed text from being displayed in the browser display window. In theory, HTML markup could be commented out; in practice, few browsers will do this correctly.
Definition List (<DL>): Ch. 4
Defines a list of term-definition pairs; typically used to create glossaries. The two components of a definition list are:
Definition-list definition (<DD>): Ch. 4
Defines the definition in a term-definition pair of a definition list.
Definition-list term (<DT>): Ch. 4
Defines the term in a term-definition pair of a definition list.
Emphasis (<EM>): Ch. 5
Causes text to be emphasized. The display of this text varies by browser and user, but the suggested default is italicized text.
Header (<HEAD>): Ch. 2
Defines the header information for a document, such as the TITLE (required) and any other header elements.
Headings (<H1> - <H6>): Ch. 3
Text which is defined as a heading is separated from other text and usually displayed in a different style so as to make its special status obvious. Section titles and even document names are the usual uses for headings.
Horizontal Rule (<HR>): Ch. 5
Creates a line that runs the width of the browser window. The appearance of a horizontal rule varies by browser.
HTML (<HTML>): Ch. 2
Defines an HTML document.
Image (<IMG>): Ch. 7
Causes an image to be placed in the HTML document at the point where the tag occurs. The graphic file's location is specified using the SRC attribute. Other commonly used attributes are ALIGN and ALT.
Italics (<I>): Ch. 5
Causes text to be italicized.
Line Break (<BR>): Ch. 3
Forces the current line of text to be ended at the point where the tag occurs and any subsequent text or HTML elements to be displayed beginning at the beginning of the next line on screen.
List Item (<LI>): Ch. 4
An element of either an ordered or unordered list. Use of the closing tag (</LI>) is optional.
Lists: Ch. 4
  • Unordered (<UL>)
  • Ordered (<OL>)
  • Definition (<DL>)
Ordered List (<OL>): Ch. 4
Defines a list of items which are automatically ordered; typically, this is a sequential numbering from one to the number of list items.
Paragraph (<P>): Ch. 3
Defines a section of text as being a paragraph. The closing tag (</P>) is technically optional, but its use is strongly recommended.
Strong (<STRONG>): Ch. 5
Causes text to be strongly emphasized. The display of this text varies by browser and user, but the suggested default is boldfaced text.
Title (<TITLE>): Ch. 2
Defines the title of the document, which will appear in the history list and any bookmarks which are set.
Typewriter-text (<TT>): Ch. 5
Causes text to be displayed in the browser's defined monospace font.
Underline (<U>): Ch. 5
Causes text to be underlined. Not supported by all browsers.
Unordered List (<UL>): Ch. 4
Defines a list of items which are automatically marked with a "bullet"; typically, this is a solid disc or asterisk.

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