Index

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# H

H command (debugger) : Debugger Commands
h command (debugger) : Debugger Commands
-h switch, perl : Switches
<h#> tags

Headings
Heading Tags
Adding Images to Headings
<hn>

h2ph Perl script : Socket I/O in Perl
hard references

What Is a Reference?
Creating Hard References
Hard References Don't Work as Hash Keys

Harness module : Test::Harness--Run Perl Standard Te...
"has-a" relationship : Containment (the "Has-a" Relationship)
hash mark (see # (sharp))
Hash module : Tie::Hash, Tie::StdHash--Base Class...
hash property

URL.hash
Properties
Properties

hashes

Hashes.
Built-in Data Types
Hashes (Associative Arrays)
anonymous, references to : The Anonymous Hash Composer
of arrays, code for : Hashes of Arrays
automatic sorting of : In-memory databases
binding DBM file to : dbmopen
of complex records : Generation of a hash of complex records
deleting values from : delete
dictonary file, searching : Search::Dict--Search for Key in Dic...
global : Global Special Arrays
hard references as keys : Hard References Don't Work as Hash Keys
initializing with x operator : Multiplicative Operators
instead of linear searches : Time Efficiency
inverting : reverse
key/value pair precedence : Hashes (Associative Arrays)
multidimensional : Hashes of Hashes
names for : Variables
returning keys

each
values
keys

SubstrHash module : Tie::SubstrHash--Fixed-table-size, ...
symbol tables : Symbol Tables
tied : Tie::Hash, Tie::StdHash--Base Class...
typing : Tying Hashes

HEAD method : The HEAD method
<head> tags

HTML Document Structure
<head>
Structure of an HTML Document
The <head> Tag
Related Header Tags
Scripts
Event Handlers

headers

extra : The Extra Headers Section
HTTP (see HTTP headers)
mail (see mail)
malformed : Malformed Header from Script
rules in : Using Rules in Headers and Footers
table

The <thead> tag
<thead>
The <th> and <td> Tags

vertical spacers with : Creating vertical space

headings

Headings
Headings
Adding Images to Headings
<hn>
images in : Adding Images to Headings
straddle heads : Straddle heads
table side heads

Side Heads
When tables aren't implemented

text size and : Using Headings for Smaller Text

height (see size)
height attribute

<applet> tag

Attributes
The height and width attributes

<embed> tag

Attributes
The align, border, height, width, h...

<iframe> tag

Attributes
The height and width attributes

<img> tag

Attributes
Other Image Techniques
Image.height
The height and width attributes
Problems with height and width
Images and form event handlers

<marquee>

The height and width attributes
Attributes

<object>

The align, border, height, width, h...
Attributes

<spacer>

Creating blocks of space
Attributes

<tr> : The height attribute

height property

The height property
Other Image Properties
Properties
for Image object : Image.height

help, Netscape : Official Netscape Documentation
"here" documents

Creating Dynamic Home Pages
"Here" documents

hex command

Designing Applications Using Forms ...
Game of Concentration
hex

hexadecimal encoding

Encoded Data
Sending Data to the Server

hexadecimal numbers

String literals
The rules of regular expression matching
hex
Converting Strings to Numbers
Octal and Hexadecimal Literals
for color values : Color Values

hidden attribute (<embed>) : The hidden attribute
Hidden element

Form Elements
Hidden
Hidden.form
Hidden.name
Hidden.type
Hidden.value
Hidden Object

hidden form fields

Text and Password Fields
Hidden Fields
CSI Statements and Hidden Fields
Hidden Fields
<input type=hidden>
Hidden fields
Hidden Object

hide visibility : The visibility attribute
HideObject( ) : Live3D
hiding scripts from browsers

Comments
Hiding Scripts from Old Browsers

hierarchy

JSObject object : The JSObject Class
object : The JavaScript Object Hierarchy

<hint> tags : Quiz/Test Form Application
hints, compiler : Global Special Variables
history

browsing

The History Object
JavaScript and Security
History

command : Using the Debugger
Internet : In the Beginning
Perl : History Made Practical
World Wide Web : HTML and the World Wide Web

History object

History.go() Doesn't Work with Frames
The History Object
Security Holes and Security Hobbles
Security Hobbles in Navigator 3.0
History
History.back()
History.current
History.forward()
History.go()
History.length
History.next
History.previous
History Object

history property

The History Object
Window.history
Properties

hit counter (see access counters)
hobbles, security : Security Holes and Security Hobbles
home directory : chdir
home pages

The Flow of Information
Hyperlink Names and Navigation
The http path
Perl : The Perl Homepage

horizontal

alignment (see alignment)
margins

The hspace and vspace attributes
The hspace and vspace attributes

rules

Horizontal rules
Horizontal Rules
Using Rules in Headers and Footers
<hr>

whitespace : Creating horizontal space

Host header : Host
host property

URL.host
Properties
Properties

hostname command : Socket I/O in Perl
hostname property

URL.hostname
Properties
Properties

hostnames

Sys::Hostname--Try Every Conceivabl...
getting from network addresses : gethostbyaddr
translating to addresses

gethostbyname
getnetbyname

hosts

Uniform Resource Locators (URLs)
pinging : Net::Ping--Check Whether a Host Is ...

hosts file (see /etc/hosts file)
hotspots (see imagemaps)
hours

Date.getHours()
Date.setHours()
(see also date and time)

<hr> tag

Horizontal rules
The <hr> Tag
Combining rule attributes
Flushing Generated Output
<hr>

href attribute

<a>

The href attribute
Attributes

<area>

Attributes
The href attribute

<base>

Attributes
The href attribute

<link>

Attributes
String.link()
The href attribute

href property

The Location Object
URL.href
Properties
Properties

hspace attribute

<applet>

Attributes
The hspace and vspace attributes

<embed> : The align, border, height, width, h...
<iframe> : Attributes
<img>

The hspace and vspace attributes
Image.hspace
Attributes

<marquee>

The hspace and vspace attributes
Attributes

<object>

The align, border, height, width, h...
Attributes

<table>

Attributes
The <table> Tag

hspace property

Other Image Properties
Image.hspace
Properties

HTML (Hypertext Markup Language)

HTML: What It Is
Yielding to the Browser
HTML Overview
attributes (see attributes, HTML tag)

(see also under specific attribute name or function)

character entities (see entities)
comments

Common Errors
Comments
Hiding Scripts from Old Browsers

CSS (see Cascading Style Sheets)
DTD (Document Type Definition) for

HTML Grammar
The HTML 3.2 DTD
HTML Document Elements

documents (see HTML documents)
dynamic : Dynamic HTML
executing external programs

Configuration
Executing External Programs

extensions to

HTML Standards and Extensions
Nonstandard Extensions
Beyond Extensions: Exploiting Bugs

forms (see forms)
frames (see frames)
grammar of

HTML Grammar
The Grammar

JavaScript entities

JavaScript Entities
JavaScript Entity Execution

links (see links)
parsing process : Scripts
quick reference

HTML Tag Quick Reference

tables (see tables)
text editors for

Word processor or HTML editor?
Writing Tools

version 3.2

The HTML 3.2 DTD
Is HTML 3.2 Really a Big Deal?
HTML Standards and Extensions

HTML attributes (see attributes, HTML tag)

(see also under specific attribute name or function)

HTML documents

<body> tags for (see <body> tags)
boilerplates

Boilerplate HTML Documents
Including Boilerplates

colors in (see colors)
designing for audience : Design for Your Audience
document automation

Supporting Document Automation
The n attribute

document-level styles

Document-Level Style Sheets
The pros and cons of document-level...

dynamic

Dynamic Documents
Server-push example application for...

embedded objects

Embedded Content
The type attribute

embedding JavaScript in (see JavaScript)
forms (see forms)
frames in (see frames)
headings in (see headings)
home pages

The Flow of Information
Hyperlink Names and Navigation
The http path

images in (see images and graphics)
linking (see links)
multicolumn pages

Multicolumn Pages
Straddle heads

page layout of

Content Versus Appearance
HTML and Text

relationships between

Establishing Document Relationships
How browsers might use <link...

searchable

Searchable Documents
Creating Searchable Documents
Server dependencies

sectioning

Divisions and Paragraphs
Allowed paragraph usage
Using Rules to Divide Your Document

structure of

HTML Skeleton
Multimedia
Anatomy of an HTML Document
Structure of an HTML Document
The Document Header
The <body> Tag

styles for

Applying Styles to Documents
The pros and cons of external styles

tables in (see tables)
titles of

HTML Skeleton
The <title> Tag
What's in a title?
Appropriate Use of Headings

virtual (see dynamic documents)

<html> tags

The <html> Tag
HTML Document Structure
<html>

HTML tags

(see also under specific tag name or function)
HTML Tags
Quick Reference to Form Tags
HTML Embedded Tags
HTML Tags
Ignored or Redundant Tags
Exploring JavaScript
attributes for (see attributes, HTML tag)
content-based style tags

Content-based text styles
Document Content
Comments
Content-Based Styles
Combining Content-Based Styles

grammar for : The Grammar
nesting : Proper and Improper Nesting
physical style tags

Physical styles
Physical Styles
Physical Style Tags
Combining Physical Styles

quick reference for : HTML Tag Quick Reference
stripping : How can I strip all the HTML tags f...
styles for

The Elements of Styles
Class inheritance
Applying Styles to Documents
The pros and cons of external styles

tagless styles : Tag-Less Styles: The <span&g...
&{} with

Core Language Changes
JavaScript Entities

HTTP (Hypertext Transfer Protocol)

The Flow of Information
HTTP Overview
Server Response Codes
checking links : Checking Hypertext (HTTP) Links
client requests : Client Requests
media types : Media Types and Subtypes
server responses : Server Responses
status codes

What are all the server response co...
Status Codes
The "No Response" Code
Checking Hypertext (HTTP) Links
HTTP Basics
Server Response Codes

HTTP headers

(see also under specific header name)
Creating Virtual Documents
HTTP Headers
Media Types and Subtypes
Creating Virtual Documents
HTTP Basics
HTTP Headers
Media Types and Subtypes
Internal Workings of CGI
About This Server
CGI and Response Headers
The "Expires" and "Pragma" Headers
Client Pull
complete (non-parsed) : Complete (Non-Parsed) Headers
header block syntax : CGI and Response Headers
non-parsed : Server Push

http URL

The http URL
Sample http URLs

http-equiv attribute (<meta>)

The http-equiv attribute
Uniquely Refreshing
Attributes

http: protocol specifier : Object Model Differences
HTTP_ACCEPT variable

CGI Environment Variables
Using Environment Variables
Tcl
Accept Types and Content Types

HTTP_COOKIE variable : Netscape Persistent Cookies
HTTP_FROM variable

CGI Environment Variables
How can I tell what user/host/brows...
Using Environment Variables
User Authentication and Identification

HTTP_REFERER variable

CGI Environment Variables
Using Environment Variables
Where Did You Come From?

HTTP_USER_AGENT variable

CGI Environment Variables
How can I tell what user/host/brows...
Using Environment Variables
Check the Client Browser
C/C++
The imagemap display

httpd server : WWW Server Information
httpd.conf file : Configuring the Server
hypermedia

Hypermedia Documents
Server Push

hypertext links (see links)
Hypertext Markup Language (see HTML)
Hypertext Transfer Protocol (see HTTP)
hyphen (see -)

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