Index: H

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Webmaster in a Nutshell, 3rd Ed.

Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

<head> tags: 2.1. HTML Document Structure

3.2. HTML Tag and Attribute Descriptions

<hn> tags: 3.2. HTML Tag and Attribute Descriptions

<hr> tag: 3.2. HTML Tag and Attribute Descriptions

handler( ) (Perl): 15.8. The Perl API

hard_timeout( ) (Perl): 15.8. The Perl API

hasAttributes( ) (Node object): 11.4.1. Alphabetical Listing of JavaScript APIs

hasChildNodes( ) (Node object): 11.4.1. Alphabetical Listing of JavaScript APIs

hasFeature( ) DOMImplementation object: 11.4.1. Alphabetical Listing of JavaScript APIs

hasOwnProperty( ) (Object object): 11.4.1. Alphabetical Listing of JavaScript APIs

HEAD method (HTTP): 17.1.1.2. The HEAD method

header( ) (CGI.pm): 14. The CGI.pm Module

Header directive (Apache): 19.17. mod_headers

HeaderName directive (Apache): 19.7. mod_autoindex

header_only( ) (Perl): 15.8. The Perl API

header_out( ) (Perl): 15.8. The Perl API

headers

HTTP: 12.1.2. Creating Virtual Documents

17.3. HTTP Headers
17.5. Media Types and Subtypes

table: 5.4. The <th> and <td> Tags

5.6.1. Table Section Tags

headers attribute

<td> tags: 3.2. HTML Tag and Attribute Descriptions
<th> tags: 3.2. HTML Tag and Attribute Descriptions

headers_in( ) (Perl): 15.8. The Perl API

headers_out( ) (Perl): 15.8. The Perl API

height (see size)

height attribute

<applet> tags: 3.2. HTML Tag and Attribute Descriptions
<embed> tags: 3.2. HTML Tag and Attribute Descriptions
<iframe> tags: 3.2. HTML Tag and Attribute Descriptions
<img> tag: 3.2. HTML Tag and Attribute Descriptions
<marquee> tags: 3.2. HTML Tag and Attribute Descriptions
<object> tags: 3.2. HTML Tag and Attribute Descriptions
<spacer> tag: 3.2. HTML Tag and Attribute Descriptions
<table> tags: 3.2. HTML Tag and Attribute Descriptions
<td> tags: 3.2. HTML Tag and Attribute Descriptions
<th> tags: 3.2. HTML Tag and Attribute Descriptions

height property (CSS): 9. Cascading Style Sheets

hexadecimal encoding (see encoding URLs)

hexadecimal RGB color notation: 8. Color Names and Values

hidden

form fields: 6.2.8. Hidden Fields
password form fields: 6.2.1. Password Fields

hidden attribute, <embed>: 3.2. HTML Tag and Attribute Descriptions

hidden( ) (CGI.pm): 14. The CGI.pm Module

History object (JavaScript): 11.4.1. Alphabetical Listing of JavaScript APIs

history property (Window object): 11.3.2.5. Browser navigation

hostname( ) (Perl): 15.8. The Perl API

HostNameLookups directive (Apache): 18. Apache Configuration

hosts: 1.2. Uniform Resource Locators (URLs)

hostnames: 18. Apache Configuration

19.38. mod_vhost_alias

limiting access by: 19.1. mod_access

virtual: 18. Apache Configuration

18. Apache Configuration
19.38. mod_vhost_alias

href attribute

<a> tags: 3.2. HTML Tag and Attribute Descriptions
<area> tag: 3.2. HTML Tag and Attribute Descriptions
<base> tag: 3.2. HTML Tag and Attribute Descriptions
<link> tag: 3.2. HTML Tag and Attribute Descriptions

hreflang attribute

<a> tags: 3.2. HTML Tag and Attribute Descriptions
<link> tag: 3.2. HTML Tag and Attribute Descriptions

hspace attribute

<applet> tags: 3.2. HTML Tag and Attribute Descriptions

<embed> tags: 3.2. HTML Tag and Attribute Descriptions

<img> tag: 3.2. HTML Tag and Attribute Descriptions

<marquee> tags: 3.2. HTML Tag and Attribute Descriptions

<object> tags: 3.2. HTML Tag and Attribute Descriptions

<table> tags: 3.2. HTML Tag and Attribute Descriptions

5.1. The <table> Tag

:html method groups (CGI.pm module): 14.2. Importing Method Groups

HTML (Hypertext Markup Language): 1.3. Web Content: HTML, XML, CGI, JavaScript, and PHP

2. HTML Overview

authoring, performance considerations: 20.2. HTML Authoring

character entities: 7. Character Entities

documents (see documents, HTML)

event handlers: 2.4. Dynamic Content

attributes: 2.4.1. Event Handler Attributes

forms (see forms, HTML)

frames: 4. Frames

layout: 4.1. Frame Layout
nested framesets: 4.2. Nested Framesets

tables: 5. Tables

advanced control: 5.6. Advanced Table Tags
borders/backgrounds: 5.5. Border Color and Backgrounds
cell spanning: 5.4.1. Cell Spanning
displaying: 5. Tables

tag attributes: 2.2. HTML Syntax

2.4.1. Event Handler Attributes

tags (see tags, HTML)

<html> tags: 2.1. HTML Document Structure

3.2. HTML Tag and Attribute Descriptions

htpasswd command (Apache): 18.1.5. Password and Group Files

http-equiv attribute, <meta>: 3.2. HTML Tag and Attribute Descriptions

HTTP (Hypertext Transfer Protocol): 17. HTTP

client requests: 17.1. Client Requests

headers: 17.3. HTTP Headers

17.5. Media Types and Subtypes
12.1.2. Creating Virtual Documents

media types: 17.5. Media Types and Subtypes

protocol: 1.4. The HTTP Protocol

server responses: 17.2. Server Responses and Status Codes

status codes: 17.2. Server Responses and Status Codes

HTTP_ACCEPT variable (CGI): 12.4. CGI Environment Variables

HTTP_COOKIE variable (CGI): 12.4. CGI Environment Variables

HTTP_FROM variable (CGI): 12.4. CGI Environment Variables

HTTP_REFERER variable (CGI): 12.4. CGI Environment Variables

hyperlinks: 2.1. HTML Document Structure

color: 3.2. HTML Tag and Attribute Descriptions
with frame targets: 4.4. Frame Targets
image maps (see image maps)
style pseudo-classes: 9.2.3.4. Style pseudo-classes

Hypertext Markup Language (see HTML)

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