HTML5 and CSS3 All-in-One For Dummies, 3rd Edition
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Check out these handy references on an HTML5 template you can use to start every document, selected MySQL commands, useful JavaScript syntax and CSS attributes, and selected HTML syntax.

HTML5 Template

This is the basic HTML5 template. Use it as the starting place for all your of HTML5 documents. Some editors allow you to add a template file for quickly creating a file. If your editor does not already have an HTML5 template, you can use this one. You can also keep it someplace convenient to copy and paste from if you wish.

<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title></title>
</head>
<body>
</body>
</html>

Selected MySQL commands

MySQL is very helpful when building a database. The following table contains the minimal commands needed to create, populate, and query a database using MySQL.

Command Discussion
USE databaseName; Set the databaseName as the default database
DROP TABLE IF EXISTS tableName; Delete the entire table
CREATE TABLE tableName (

fieldName type modifiers,

);

Create a table called tableName with the fields defined by the
field lines.Modifiers: PRIMARY KEY, AUTO_INCREMENT
INSERT INTO tableName VALUES ( …) ; Insert a new record into tableName. Values must be correct type
in correct order.
SELECT * FROM tableName WHERE condition ORDER BY field Select all fields from tableName which meet the condition. Sort
according to the given field.
UPDATE tableName SET field = value WHERE condition; Modify an existing record. Use condition to specify which
record is modified, and set given value(s) to specified
field(s)
DELETE FROM tableName WHERE condition Delete any records from the tableName table that satisfy the
condition
CREATE VIEW viewName AS query Create a virtual table containing the results of a complex
query (often an inner join or link table join)

Selected JavaScript syntax

JavaScript is still one of the most used programming languages, especially for client-side programming, and the following table offers a summary of the most useful functions and what they do.

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Selected CSS attributes

This table highlights the most commonly used CSS attributes. Each of these attributes can be applied to any container element in a page. The container can be a single element denoted by the ID attribute, a member of a class, or all the elements in a page of a certain type.

Attribute Discussion
margin Defines space between element border and parent (left, right,
top, bottom variations)
padding Defines space between contents and border (with variants)
border: size color style Defines a border. Styles: none, dotted, dashed, solid, double,
groove, ridge, inset, and outset.
color Foreground color: color name or hex value
background-color Background color: color name or hex value
background-image: url(filename) Sets image indicated by filename as background image
background-repeat Indicates how background will repeat: repeat, repeat-x,
repeat-y, and no-repeat
font-family Font name: sans-serif, serif, monospace, cursive, and
fantasy
font-size Font size (best specified in ems or percent)
font-style Set italics: none, italic, and oblique
font-weight Set boldness: lighter, normal, bold, and bolder (100-900)
text-align Alignment: left, right, center, and justify. Works on
content, not a block
text-decoration Adds decoration to text: none, underline, overline,
line-through, and blink
display Defines how element is displayed: none, block, and inline
position Describes positioning scheme: absolute and relative
left, top, right, bottom Indicates position of element (must set position absolute or
relative first)
float Removes element from normal layout and floats it in a
direction: left and right
height, width Specifies the height and width of an element. Important for
floated elements.
clear Force this floated element to position: left, right, and
both

Selected HTML syntax

Despite all the new programming languages and technology, HTML remains the basic building block for a lot of websites. This table contains the most commonly-used HTML tags.

Tag Comments
<html></html> Required for all pages.
<head></head> Required for all pages — must be inside HTML tags.
<title></title> Must be in head.
<body></body> Required for all pages — must be inside HTML tags.
<link rel = “stylesheet” type =
“text/css” href = “address” />
Link to external style sheet. Replace address with URL of style
sheet.
<style type =
“text/css”></style>
Page-level style sheet declaration.
<h1></h1> ..
<h6>..</h6>
Defines headline from most prominent (h1) to least prominent
(h6).
<p></p> Paragraph.
<div></div> Generic block-level component.
<span></span> Generic inline component.
<em></em> Emphasis (default: italics).
<strong></strong> Strong emphasis (default: bold).
<br /> Line break.
<ol></ol> Defines an ordered list.
<ul></ul> Defines an unordered list.
<li></li> List item — must be inside ol or ul pair.
<dl></dl> Definition list — a list of terms and definitions.
<dt></dt> Definition term — found in dl groups.
<dd></dd> Definition data — usually paired with a dt set inside a
dl.
<a href =
“address”>content</a>
Displays content as a link, and sends browser to address when
activated.
<img src = “filename” alt =
“alternative text” />
Displays image referenced by filename. Alternative text is
required for non-visual browsers.
<table></table> Define an HTML table.
<tr></tr> Table row.
<th></th> Table header — must be inside tr.
<td></td> Table data — must be inside tr.
<script></script> Internal JavaScript code.
<script src =
“filename”></script>
Load external JavaScript code.
<!–[if
IE]><![endif]→
Conditional comment. Code inside these tags will only be
executed by Internet Explorer. It’s possible to indicate
specific versions as well (<!—[if IE
< 7]>
).

About This Article

This article is from the book:

About the book author:

Andy Harris taught himself programming because it was fun. Today he teaches computer science, game development, and web programming at the university level; is a technology consultant for the state of Indiana; has helped people with disabilities to form their own web development companies; and works with families who wish to teach computing at home.

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