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Index: L

label attribute
<optgroup> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<option> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
optgroup elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
option elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
label elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
label objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
label property: 25. W3C DOM Reference (JavaScript)
optgroup objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
option objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
label statement: 12.7. Control Statements (Dynamic HTML)
labeled statements, JavaScript: 11.2.10.4. Labeled statements (Webmaster in a Nutshell)
labels for buttons, setting text for: 20.8.3. Discussion (PHP Cookbook)
labels, statement: 6.10. Labels (JavaScript), for and break statements: 6.11. break (JavaScript)
lambda functions: 3.4.1. Function Literals (JavaScript)
7.1.3. Function Literals (JavaScript)
lang attribute: 8.2.1. Attributes (Dynamic HTML)
3.1. Core Attributes (Webmaster in a Nutshell)
<bdo> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<font> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<head> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<html> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<isindex> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<meta> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<style> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<title> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
lang property: 9.5.3. Event Handlers (Dynamic HTML)
17.1.3. The DOM HTML API (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
:lang pseudo-class: 3.8.1.2. Using pseudo-classes (Dynamic HTML)
11.2.2. Pseudo-Classes (Dynamic HTML)
language
operating system, default for: 24. Client-Side JavaScript Reference (JavaScript)
user preference for: 24. Client-Side JavaScript Reference (JavaScript)
language attribute: 8.2.1. Attributes (Dynamic HTML)
1.10. Exploring JavaScript (JavaScript)
5.4.1.1. Equality and inequality in Netscape (JavaScript)
12.2.1.1. The language and type attributes (JavaScript)
20.2.1. The language Attribute (JavaScript)
script elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
specifying JavaScript version: 12.2.1.1. The language and type attributes (JavaScript)
language attribute, <script>: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
11.3.1.1. The <script> tag (Webmaster in a Nutshell)
language codes: 8.1.4. Language Code (Dynamic HTML)
9.1.4. Language Code (Dynamic HTML)
16.5.3. Discussion (PHP Cookbook)
language, PHP: 2. Language Basics (Programming PHP)
language property: 9.5.3. Event Handlers (Dynamic HTML)
24. Client-Side JavaScript Reference (JavaScript)
navigator object: 9.6. Alphabetical Object Reference (Dynamic HTML)
language version compatibility: 20.2. Language Version Compatibility (JavaScript)
language attribute ( ), setting: 20.2.1. The language Attribute (JavaScript)
loading new (compatible) page: 20.2.4. Loading a New Page for Compatibility (JavaScript)
suppressing version-related errors: 20.2.3. Suppressing Version-Related Errors (JavaScript)
testing version explicitly: 20.2.2. Explicit Version Testing (JavaScript)
LanguagePriority directive (Apache): 19.26. mod_negotiation (Webmaster in a Nutshell)
languages stored in objects: 16.10.2. Solution (PHP Cookbook)
largest number representable in JavaScript: 23. Core JavaScript Reference (JavaScript)
last access time for files: 19.2.2. Solution (PHP Cookbook)
last character of strings, getting: 3.2.3. Working with Strings (JavaScript)
last command (Unix): 18.23.3. Discussion (PHP Cookbook)
last-in first-out (LIFO) stacks: 5.10.2. Stacks (Programming PHP)
last line of a file, removing: 18.16.1. Problem (PHP Cookbook)
last modified date
adding to HTML document: 14.2. Dynamically Generated Documents (JavaScript)
lastModified property: 14.1.2. Document Properties (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
last( ), Perl: 15.8. The Perl API (Webmaster in a Nutshell)
lastChild( ): 25. W3C DOM Reference (JavaScript)
lastChild( ) method, TreeWalker objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
lastChild property: 5.7.1.2. W3C DOM text (Dynamic HTML)
9.5.3. Event Handlers (Dynamic HTML)
9.5.3. Event Handlers (Dynamic HTML)
17.2.1. Traversing a Document (JavaScript)
25. W3C DOM Reference (JavaScript)
Node object: 17.1.2. Nodes (JavaScript)
lastIndex property: 10.3.2. RegExp Instance Properties (JavaScript)
23. Core JavaScript Reference (JavaScript)
RegExp objects: 12.5. Core Objects (Dynamic HTML)
regular expression objects: 12.5. Core Objects (Dynamic HTML)
String object methods and: 10.3.1. RegExp Methods for Pattern Matching (JavaScript)
lastIndexOf( ): 23. Core JavaScript Reference (JavaScript), String objects: 12.5. Core Objects (Dynamic HTML)
lastIndexOf( ) (String object): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
lastMatch property, RegExp objects: 12.5. Core Objects (Dynamic HTML)
lastModified property, document objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
LAST_MODIFIED variable (SSI): 13.3. SSI Environment Variables (Webmaster in a Nutshell)
lastPage( ) method, table objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
lastParen property, RegExp objects: 12.5. Core Objects (Dynamic HTML)
latency, network: 5.9.1. The iframe Element (Dynamic HTML)
Latin-1 character set, escape sequences: 3.2.2. Escape Sequences in String Literals (JavaScript)
Layer API, Netscape: 17.4. DOM Compatibility with Netscape 4 (JavaScript)
18.4.2. DHTML in Netscape 4 (JavaScript)
Layer object: 18.4.2. DHTML in Netscape 4 (JavaScript)
Layer object properties with CSS equivalents: 18.4.2. DHTML in Netscape 4 (JavaScript)
layer-background-color attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layer-background-image attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layer elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
content positioning and: 1.6. Document Object Model (Dynamic HTML)
internal branching example: 2.6.4. Internal Branching (Dynamic HTML)
Navigator 4 and: 1.5.2. Element Positioning and Layering (Dynamic HTML)
2.2. Navigator 4 DHTML—Fading Fast (Dynamic HTML)
Netscape 6: 2.4.3. Positioning and Layering (Dynamic HTML)
Layer object: 24. Client-Side JavaScript Reference (JavaScript), capturing events (Netscape 4): 19.4.2. Event Capturing in Netscape 4 (JavaScript)
Layer object (JavaScript): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
layer objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layering: 2.3.3. CSS Positioning and Layering (Dynamic HTML)
4. Adding Dynamic Positioning to Documents (Dynamic HTML)
layers: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
layers property, document objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layerX, layerY properties (Document): 24. Client-Side JavaScript Reference (JavaScript)
layerX property, event objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layerY property, event objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layout-flow attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layout, frames: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
4.1. Frame Layout (Webmaster in a Nutshell)
layout-grid attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layout-grid-char attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layout-grid-line attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layout-grid-mode attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layout-grid-type attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
layoutFlow property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layoutGrid property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layoutGridChar property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layoutGridLine property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layoutGridMode property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layoutGridType property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
lbound( ), VBArray objects: 12.5. Core Objects (Dynamic HTML)
LC_ALL environment variable: 16.4.3. Discussion (PHP Cookbook)
lcg_value( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
LDAP
address repository (data source): 17.8.3. Discussion (PHP Cookbook)
looking up addresses: 17.8.1. Problem (PHP Cookbook)
server
communicating with: 17.8.3. Discussion (PHP Cookbook)
downloading: 17.8.3. Discussion (PHP Cookbook)
user authentication with: 17.9.1. Problem (PHP Cookbook)
LDAP (Lightweight Directory Access Protocol): B.1. Optional Extensions Listing (Programming PHP)
ldap_bind( ): 17.8.3. Discussion (PHP Cookbook)
ldap_get_entries( ): 17.8.3. Discussion (PHP Cookbook)
ldap_list( ): 17.8.3. Discussion (PHP Cookbook)
ldap_search( ): 17.8.3. Discussion (PHP Cookbook)
leading parameter for PDF text: 10.3.2. Text Functions (Programming PHP)
leap years: 3.9.3. Discussion (PHP Cookbook)
least-common-denominator approach: 20.1.1. The Least-Common-Denominator Approach (JavaScript)
least significant bit: 16.12.3. Discussion (PHP Cookbook)
leaves: 1.6.3. W3C DOM Architecture (Dynamic HTML)
left attribute: 4.4.3. Custom APIs (Dynamic HTML)
18.2.2. Specifying the Position and Size of Elements (JavaScript)
18.2.2.1. Element size and position details (JavaScript)
CSS: 11.5. Alphabetical Attribute Reference (Dynamic HTML)
CSS-P: 4.1.1. Setting the position Attribute (Dynamic HTML)
description: 4.3.2. Positionable Element Properties (Dynamic HTML)
ilayer elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
layer elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
<ilayer> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<layer> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
positioning: 4.1.2. Absolute Versus Relative Positioning (Dynamic HTML)
4.1.2. Absolute Versus Relative Positioning (Dynamic HTML)
4.1.2. Absolute Versus Relative Positioning (Dynamic HTML)
4.1.2. Absolute Versus Relative Positioning (Dynamic HTML)
values: 4.2.2. top, right, bottom, and left Attributes (Dynamic HTML)
left property: 4.3.2. Positionable Element Properties (Dynamic HTML)
18.4.2. DHTML in Netscape 4 (JavaScript)
25. W3C DOM Reference (JavaScript)
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Layer object: 24. Client-Side JavaScript Reference (JavaScript)
layer objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
TextRectangle objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
:left pseudo-class: 11.2.2. Pseudo-Classes (Dynamic HTML)
left shift (<<) operator: 2.4.9. Bitwise Operators (Programming PHP)
left-shift operator (<<): 12.6. Operators (Dynamic HTML)
left-to-right associativity (L): 5.2.4. Operator Associativity (JavaScript)
leftContext property, RegExp objects: 12.5. Core Objects (Dynamic HTML)
leftmargin attribute, body elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
leftmargin attribute, <body>: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
leftMargin property, body objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
legacy DOM: 11.3.4. The Legacy DOM (Webmaster in a Nutshell)
legend elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
legend objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
length
of email addresses, checking: 7.2.1.3. Validating email addresses (Web Database Applications)
of output buffers: 13.3.1. Output Buffering (Programming PHP)
of strings: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
2.6.1.2. Length of a string (Web Database Applications)
strlen( ) function (example): 3.1. Calling a Function (Programming PHP)
of URLs: 8.1.1. Managing State in the Client Tier (Web Database Applications)
B.2.2. Uniform Resource Locators (Web Database Applications)
length( ): 3.9.1.1. String-comparison operators and functions (Web Database Applications)
length, arrays (Netscape 4 implementation, JavaScript 1.2): 11.6. Netscape's JavaScript 1.2 Incompatibilities (JavaScript)
length of HTML attributes: 2.2. HTML Syntax (Webmaster in a Nutshell)
length property: 25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
all objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
anchors objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
applets objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
areas objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
arguments[] array: 7.4. Function Arguments: The Arguments Object (JavaScript)
Arguments object: 7.4. Function Arguments: The Arguments Object (JavaScript)
23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
arguments objects: 12.5. Core Objects (Dynamic HTML)
Array object: 23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
Array objects: 12.5. Core Objects (Dynamic HTML)
arrays: 9.1.1. Creating Arrays (JavaScript)
9.1.4. Array Length (JavaScript)
attributes objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
cells objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
childNodes objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
children objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Comment objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
CSSRuleList objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
cssRules objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
elements objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
embeds objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
filters objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Form object: 24. Client-Side JavaScript Reference (JavaScript)
form objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
forms objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
frames objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Function object: 7.5.1. The length Property (JavaScript)
23. Core JavaScript Reference (JavaScript)
function objects: 12.5. Core Objects (Dynamic HTML)
History object: 13.10. The History Object (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
history objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
HTMLCollection objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
HTMLFormElement object: 17.1.3. The DOM HTML API (JavaScript)
images objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
imports objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Input object: 24. Client-Side JavaScript Reference (JavaScript)
JavaArray object: 22.4.4. The JavaArray Class (JavaScript)
links objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
MediaList objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
NamedNodeMap objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
NodeList objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
options objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
pages objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Plugin object: 24. Client-Side JavaScript Reference (JavaScript)
plugin objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
plugins objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
rows objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
rules objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
scripts objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Select object: 24. Client-Side JavaScript Reference (JavaScript)
select objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
String object: 23. Core JavaScript Reference (JavaScript)
String objects: 12.5. Core Objects (Dynamic HTML)
strings: 3.2.3. Working with Strings (JavaScript)
StyleSheetList objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
styleSheets objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
tBodies objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Text objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Window object: 24. Client-Side JavaScript Reference (JavaScript)
window objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
length property values (styles): 9.3.1.2. Length property values (Webmaster in a Nutshell)
length values: 8.1.1. Length (Dynamic HTML)
9.1.1. Length (Dynamic HTML)
11.1.1. Length (Dynamic HTML)
Lerdorf, Rasmus: 1.2. A Brief History of PHP (Programming PHP)
less than (<) operator: 5.5.1. Comparison Operators (JavaScript)
2.4.8. Comparison Operators (Programming PHP)
less-than operator (<): 7.2. XHTML Modularization (XHTML Basic and 1.1) (Dynamic HTML)
12.6. Operators (Dynamic HTML)
less than or equal (<=) operator: 5.5.1. Comparison Operators (JavaScript)
less-than-or-equal operator (<=): 12.6. Operators (Dynamic HTML)
less than or equal to (<=) operator: 2.4.8. Comparison Operators (Programming PHP)
letter-spacing attribute: 3.8.1.1. Using pseudo-elements (Dynamic HTML)
11.5. Alphabetical Attribute Reference (Dynamic HTML)
letter-spacing property (CSS): 9.4. CSS Reference (Webmaster in a Nutshell)
letters, in identifier names: 2.7. Identifiers (JavaScript)
letterSpacing property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
levels, DOM (see DOM)
levels of conditions, error reporting: 13.4.1. Error Reporting (Programming PHP)
levenshtein( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
levenshtein( ) function: 4.6.2. Approximate Equality (Programming PHP)
Levenshtein algorithm, calculating similarity of strings: 4.6.2. Approximate Equality (Programming PHP)
lexical scoping
functions executed in different frames: 13.11.3. JavaScript in Interacting Windows (JavaScript)
nested functions and: 11.4. Lexical Scoping and Nested Functions (JavaScript)
lexical structure, JavaScript: 2. Lexical Structure (JavaScript)
case sensitivity: 2.2. Case Sensitivity (JavaScript)
comments: 2.5. Comments (JavaScript)
identifiers: 2.7. Identifiers (JavaScript)
keywords: 2.8. Reserved Words (JavaScript)
literals: 2.6. Literals (JavaScript)
Unicode character set: 2.1. Character Set (JavaScript)
whitespace and line breaks: 2.3. Whitespace and Line Breaks (JavaScript)
lexicographic (textual) comparisons: 2.4.8. Comparison Operators (Programming PHP)
li elements: 3.2. Understanding Block-Level Elements (Dynamic HTML)
8.3. Alphabetical Tag Reference (Dynamic HTML)
li objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
libraries: 1.3. Installing PHP (Programming PHP)
(see also extensions)
code: 13.1. Code Libraries (Programming PHP)
concealing for security: 12.5. Concealing PHP Libraries (Programming PHP)
PEAR, installing: 1.3. Installing PHP (Programming PHP)
library functions: 2.9. Integer and Float Functions (Web Database Applications)
libswf extension, configuring external dependencies: 14.4.2. External Dependencies (Programming PHP)
libxml for DOM parsing: 12.3.3. Discussion (PHP Cookbook)
12.4.3. Discussion (PHP Cookbook)
lifetime
cookies: 16.1. An Overview of Cookies (JavaScript)
variable: 12.3.5. Window and Variable Lifetime (JavaScript)
Lightweight Directory Access Protocol (see LDAP)
Lightweight Directory Access Protocol (LDAP): B.1. Optional Extensions Listing (Programming PHP)
LIMIT operator: 3.6.4. Limiting Result Sets in MySQL (Web Database Applications)
4.3.1. Step 1: Producing Visually Appealing Tables (Web Database Applications)
_ _LINE_ _ constant: 8.18.3. Discussion (PHP Cookbook)
line-break attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
line breaks: 2.3. Whitespace and Line Breaks (JavaScript)
line breaks in PHP code: 2.1.3. Whitespace and Line Breaks (Programming PHP)
line-delimiter characters, Windows and Unix: 18.1. Introduction (PHP Cookbook)
line endings on Unix and Windows: 15.2.7. End-of-Line Handling (Programming PHP)
line-height attribute: 3.8.1.1. Using pseudo-elements (Dynamic HTML)
11.5. Alphabetical Attribute Reference (Dynamic HTML)
line styles for graphics: 15.4.1. Problem (PHP Cookbook)
lineBreak property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
linefeeds
converting from ereg to preg functions: 13.2.3. Discussion (PHP Cookbook)
Windows systems: 18.1. Introduction (PHP Cookbook)
lineHeight property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
lineNumber property, Error objects: 12.5. Core Objects (Dynamic HTML)
lines
counting in a file: 18.7.2. Solution (PHP Cookbook)
drawing: 15.2.2. Solution (PHP Cookbook), dashed line alternating between black and transparent: 15.8.3. Discussion (PHP Cookbook)
finding all in a file that match a pattern: 13.7.1. Problem (PHP Cookbook)
patterned, drawing with: 15.4.1. Problem (PHP Cookbook)
picking random line from a file: 18.11.1. Problem (PHP Cookbook)
randomizing all in a file: 18.12.1. Problem (PHP Cookbook)
reading particular in a file: 18.9.1. Problem (PHP Cookbook)
removing last line of a file: 18.16.1. Problem (PHP Cookbook)
lines, drawing: 9.4.5. Basic Drawing Functions (Programming PHP), from current point back to starting point: 10.4.2. Graphics (Programming PHP)
lines, matching beginning/end of: 10.1.5. Specifying Match Position (JavaScript)
link( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP), String objects: 12.5. Core Objects (Dynamic HTML)
link attribute, body elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
link attribute, <body>: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
link elements: 3.6.2.2. The link element (Dynamic HTML)
5.6.3. Other Techniques (Dynamic HTML)
8.3. Alphabetical Tag Reference (Dynamic HTML)
LINK method (HTTP): 17.1.1.4. Other methods (Webmaster in a Nutshell)
Link object: 14.7. Links (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
event handlers: 14.7.2. Link Event Handlers (JavaScript)
14.7.2. Link Event Handlers (JavaScript)
random links (example): 14.7.2. Link Event Handlers (JavaScript)
web crawlers and: 14.7.1. Links, Web Crawlers, and JavaScript Security (JavaScript)
Link object (JavaScript): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
link objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
link property: 25. W3C DOM Reference (JavaScript), body objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
:link pseudo-class: 11.2.2. Pseudo-Classes (Dynamic HTML)
:link style pseudo-class: 9.2.3.4. Style pseudo-classes (Webmaster in a Nutshell)
linkColor property: 14.1.2. Document Properties (JavaScript)
14.3. Document Color Properties (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
document objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
linkinfo( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
linking
custom APIs: 4.4.3. Custom APIs (Dynamic HTML)
DTDs: 1.4. XHTML (Dynamic HTML)
selector and attributes: 3.8.2. Attribute Selectors (Dynamic HTML)
style declarations and elements: 3.6.1.1. The <style> tag (Dynamic HTML)
style sheets and content: 1.5. Style Sheets (Dynamic HTML)
to multiple frames: 5.3. Links to Multiple Frames (Dynamic HTML)
linking style sheets (CSS): 9.1.3.1. Linked external style sheets (Webmaster in a Nutshell)
links: A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
buttons vs.: 15.3.4. Buttons (JavaScript)
colors
Document properties for: 14.1.2. Document Properties (JavaScript)
14.3. Document Color Properties (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
visited, in document: 24. Client-Side JavaScript Reference (JavaScript)
extracting from HTML file: 11.9.1. Problem (PHP Cookbook)
fresh, finding: 11.16. Program: Finding Fresh Links (PHP Cookbook)
in PDF documents[links, PDF}: 10.5.2. Links (Programming PHP)
lstat( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
onmouseout event handler: 20.1.6. Ignore the Problem (JavaScript)
paginated, for series of database records: 10.14.1. Problem (PHP Cookbook)
readlink( ) function: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
setting status line in: 13.3. The Status Line (JavaScript)
stale, finding: 11.15. Program: Finding Stale Links (PHP Cookbook)
symbolic: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
to shared memory segments: 5.7.3. Discussion (PHP Cookbook)
unlinking: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
user confirmation for following: 19.1.3. Event Handlers as Properties (JavaScript)
links, embedded: 5.2.2. Adding Links to Results (Web Database Applications)
(see also embedded links)
links objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
links[] property: 14.1.2. Document Properties (JavaScript)
14.7. Links (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
25. W3C DOM Reference (JavaScript)
LinkStyle object: 25. W3C DOM Reference (JavaScript)
LinkStyle objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Linux
` (backtick) operator, use on: 18.23.3. Discussion (PHP Cookbook)
locale program: 16.2.3. Discussion (PHP Cookbook)
Linux operating system, installing software and: A. Installation Guide (Web Database Applications)
A.4. Installation Resources (Web Database Applications)
list( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
2.5.3. Using Array Pointers (Web Database Applications)
2.5.3. Using Array Pointers (Web Database Applications)
assigning values from array to individual values: 5.4.3. Discussion (PHP Cookbook)
breaking array apart into individual variables: 4.1. Introduction (PHP Cookbook)
combining with array_slice( ): 5.5.1. Slicing an Array (Programming PHP)
copying array values into variables: 5.5. Extracting Multiple Values (Programming PHP)
separating elements in array returned by function: 6.8.2. Solution (PHP Cookbook)
skipping selected function return values: 6.9.2. Solution (PHP Cookbook)
using with each( ) and while loops for array iteration: 4.5.2. Solution (PHP Cookbook)
list command (PEAR): 21.2.3. Discussion (PHP Cookbook)
list-style attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
list-style-image attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
list-style-image property (CSS): 9.4. CSS Reference (Webmaster in a Nutshell)
list-style-position attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
list-style property (CSS): 9.4. CSS Reference (Webmaster in a Nutshell)
list-style-type attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
list-style-type property (CSS): 9.4. CSS Reference (Webmaster in a Nutshell)
list-upgrades command (pear): 21.7.3. Discussion (PHP Cookbook)
Listen directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
ListenBacklog directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
listeners for events (see event handlers)
listing elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
listing objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
lists
CSS properties for: 9.4. CSS Reference (Webmaster in a Nutshell)
scrolling lists (forms): 6.4. The <select> Tag (Webmaster in a Nutshell)
listStyle property: 25. W3C DOM Reference (JavaScript)
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
listStyleImage property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
listStylePosition property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
listStyleType property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
literals: 2.6. Literals (JavaScript)
2.1.5. Literals (Programming PHP)
array: 3.6.2. Array Literals (JavaScript)
9.1.1. Creating Arrays (JavaScript)
comparing: 5.4.1. Equality (==) and Identity (===) (JavaScript)
in expressions: 5.1. Expressions (JavaScript)
floating-point: 3.1.3. Floating-Point Literals (JavaScript)
function: 3.4.1. Function Literals (JavaScript)
7.1.3. Function Literals (JavaScript)
Function( ) constructor vs.: 11.5. The Function( ) Constructor and Function Literals (JavaScript)
hexadecimal: 3.1.2. Hexadecimal and Octal Literals (JavaScript)
integer: 3.1.1. Integer Literals (JavaScript)
numeric: 3.1. Numbers (JavaScript)
object: 3.5.2. Object Literals (JavaScript)
8.1.1. Creating Objects (JavaScript)
octal: 3.1.2. Hexadecimal and Octal Literals (JavaScript)
regular expression: 3.10. Regular Expressions (JavaScript)
10.1. Defining Regular Expressions (JavaScript)
string: 3.2.1. String Literals (JavaScript)
2.2.3. Strings (Programming PHP)
LiveConnect: 22. Using Java with JavaScript (JavaScript)
Applet object and: 24. Client-Side JavaScript Reference (JavaScript)
data types: 22.4. LiveConnect Data Types (JavaScript)
Java manipulation of JavaScript types: 22.7. Java-to-JavaScript Data Conversion (JavaScript)
JavaArray class: 22.4.4. The JavaArray Class (JavaScript)
JavaObject class: 22.4.3. The JavaObject Class (JavaScript)
manipulating Java types from JavaScript: 22.5. LiveConnect Data Conversion (JavaScript)
LiveScript: 1.8. ECMAScript (Dynamic HTML)
LiveVideo plugin (Netscape): 14.10. Embedded Data (JavaScript)
LiveWire scripts: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
L10N (see localization)
ln10 constant: 23. Core JavaScript Reference (JavaScript)
LN10 property, Math object: 12.5. Core Objects (Dynamic HTML)
load( ): 5.9.2. Embedding XML Data (Dynamic HTML), Layer object: 24. Client-Side JavaScript Reference (JavaScript)
load( ) method
Document objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
layer objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
load balancing: 13.5.5.2. Load balancing and redirection (Programming PHP)
load event: 6.1. Event Types (Dynamic HTML)
load( ) (Layer object): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
load( ) method
Cookie object: 16.4. Cookie Example (JavaScript)
Document object: 17.2.7. Working with XML Documents (JavaScript)
loadBindingDocument( ) method
document objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
9.6. Alphabetical Object Reference (Dynamic HTML)
LoadFile directive (Apache): 19.30. mod_so (Webmaster in a Nutshell)
loading code and HTML from another module: 2.6. Including Code (Programming PHP)
loading external style sheets: 9.1.3. External Style Sheets (Webmaster in a Nutshell)
loading web pages: 13.9. The Location Object (JavaScript)
LoadModule directive (Apache): 19.30. mod_so (Webmaster in a Nutshell)
loadXML( ): 17.2.7. Working with XML Documents (JavaScript)
loan payment calculation (example program): 1.8. Example: Computing Loan Payments with JavaScript (JavaScript)
local scope: 7.3. Function Scope: The Call Object (JavaScript)
6.12.3. Discussion (PHP Cookbook)
2.3.3.1. Local scope (Programming PHP)
function parameters: 2.3.3.4. Function parameters (Programming PHP)
local server application: 15.3.1. Background (Programming PHP)
local time: 23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
date, string representation of: 23. Core JavaScript Reference (JavaScript)
day of month and week: 23. Core JavaScript Reference (JavaScript)
GMT or UTC, difference from: 23. Core JavaScript Reference (JavaScript)
hours, setting in: 23. Core JavaScript Reference (JavaScript)
milliseconds, setting in: 23. Core JavaScript Reference (JavaScript)
year expressed in: 23. Core JavaScript Reference (JavaScript)
year, setting: 23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
local variables: 6.2.1. Event Objects and Event Models (Dynamic HTML)
4.3. Variable Scope (JavaScript)
cyclical objects, garbage collection and: 11.3.2. Garbage Collection by Reference Counting (JavaScript)
local variables, freeing values in memory management: 2.3.4. Garbage Collection (Programming PHP)
local_addr( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
locale program: 16.2.2. Solution (PHP Cookbook)
locale system (Unix): 4.9. POSIX-Style Regular Expressions (Programming PHP)
localeCompare( ): 5.5.1. Comparison Operators (JavaScript)
23. Core JavaScript Reference (JavaScript)
String objects: 12.5. Core Objects (Dynamic HTML)
localeconv( ): 16.7.3. Discussion (PHP Cookbook)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
currency-related information: 16.7.3. Discussion (PHP Cookbook)
locales: 16.1. Introduction (PHP Cookbook)
aliases for common: 16.3.3. Discussion (PHP Cookbook)
default, setting: 16.4.1. Problem (PHP Cookbook)
image directories for: 16.8.2. Solution (PHP Cookbook)
languages, country codes, and character set specifiers: 16.1. Introduction (PHP Cookbook)
listing available: 16.2.1. Problem (PHP Cookbook)
using a particular locale: 16.3.1. Problem (PHP Cookbook)
word definitions and: 13.3.3. Discussion (PHP Cookbook)
localization: 16.1. Introduction (PHP Cookbook)
arrays, string representation of: 23. Core JavaScript Reference (JavaScript)
currency formats: 16.7.1. Problem (PHP Cookbook)
date and time: 23. Core JavaScript Reference (JavaScript)
dates and times: 16.6.1. Problem (PHP Cookbook)
of included files: 16.9.1. Problem (PHP Cookbook)
managing resources: 16.10.1. Problem (PHP Cookbook)
message catalogs, handling with gettext: 16.11.1. Problem (PHP Cookbook)
numbers, formatting for locales: 23. Core JavaScript Reference (JavaScript)
objects, string representation of: 8.7.3. The toLocaleString( ) Method (JavaScript)
9.2.9. toString( ) and toLocaleString( ) (JavaScript)
23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
strings
converting: 23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
text messages: 16.5.1. Problem (PHP Cookbook)
text with images: 16.8.1. Problem (PHP Cookbook)
localName property: 9.5.3. Event Handlers (Dynamic HTML)
25. W3C DOM Reference (JavaScript)
localtime( ): 3.2.2. Solution (PHP Cookbook)
3.2.3. Discussion (PHP Cookbook)
3.2.4. See Also (PHP Cookbook)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
current DST observance status: 3.13.2. Solution (PHP Cookbook)
locate( ): 3.9.1.1. String-comparison operators and functions (Web Database Applications)
location bar, visibility in window: 24. Client-Side JavaScript Reference (JavaScript)
Location header: 8.5.2. Solution (PHP Cookbook)
11.2.3. Discussion (PHP Cookbook)
7.5.2. Redirections (Programming PHP)
sending other headers with: 8.5.3. Discussion (PHP Cookbook)
Location object: 1.6.2. Control the Browser (JavaScript)
1.6.2. Control the Browser (JavaScript)
12.1.2. The Client-Side Object Hierarchy and the Document Object Model (JavaScript)
13.9. The Location Object (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
navigation bar using: 13.10. The History Object (JavaScript)
13.10. The History Object (JavaScript)
Location object (JavaScript): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
location objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
location( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
location property
Document object: 13.9. The Location Object (JavaScript)
14.1.2. Document Properties (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
document objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
HTMLDocument object: 17.1.3. The DOM HTML API (JavaScript)
Window object: 12.1.2. The Client-Side Object Hierarchy and the Document Object Model (JavaScript)
13.1. Window Overview (JavaScript)
13.9. The Location Object (JavaScript)
13.9. The Location Object (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
window objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
location property (Window object): 11.3.2.5. Browser navigation (Webmaster in a Nutshell)
locationbar objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
9.6. Alphabetical Object Reference (Dynamic HTML)
locationbar property
window objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
9.6. Alphabetical Object Reference (Dynamic HTML)
LOCK TABLES statement: 6.2.2.2. The LOCK TABLES and UNLOCK TABLES statements in MySQL (Web Database Applications)
LockFile directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
locking files: 18.25.1. Problem (PHP Cookbook)
advisory file locking: 18.25.3. Discussion (PHP Cookbook)
DBM databases: 10.3.3. Discussion (PHP Cookbook)
directory as lock indicator: 18.25.3. Discussion (PHP Cookbook)
exclusive locks: 18.25.3. Discussion (PHP Cookbook)
file as lock indicator: 18.25.3. Discussion (PHP Cookbook)
nonblocking locks: 18.25.3. Discussion (PHP Cookbook)
text files vs. databases: 10.2.3. Discussion (PHP Cookbook)
threaded message board database: 10.16. Program: Storing a Threaded Message Board (PHP Cookbook)
unlocking: 18.25.3. Discussion (PHP Cookbook)
locking paradigms: 6.2.3.3. The table-level locking paradigm in MySQL (Web Database Applications)
locking tables: 6.2.2. Locking for Concurrency in MySQL (Web Database Applications)
locks: 6.2.2.1. When and how to lock tables (Web Database Applications)
log10( ): 2.8.2. Solution (PHP Cookbook)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
log files
Apache server: 18.1.7. Log Files (Webmaster in a Nutshell)
error: 18. Apache Configuration (Webmaster in a Nutshell)
Log objects, serializing/deserializing (example): 6.6. Serialization (Programming PHP)
logarithmic functions: 2.9.6. Powers and Logs (Web Database Applications)
logarithms: 2.8.1. Problem (PHP Cookbook)
log2e constant: 23. Core JavaScript Reference (JavaScript)
LOG10E property, Math object: 12.5. Core Objects (Dynamic HTML)
log_error( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
15.8. The Perl API (Webmaster in a Nutshell)
log_errors configuration directive: 8.15.3. Discussion (PHP Cookbook)
LogFormat directive (Apache): 19.22. mod_log_config (Webmaster in a Nutshell)
logged_on_page( ): 9.4.3.2. Login page (Web Database Applications)
logging: 6.11.3. Discussion (PHP Cookbook)
altering error-logging to control error reporting: 8.16.1. Problem (PHP Cookbook)
database debugging information and errors: 10.11.1. Problem (PHP Cookbook)
debugging information: 8.20.1. Problem (PHP Cookbook)
in error handlers: 13.4.4.1. Logging in error handlers (Programming PHP)
error messages (PHP), hiding from user: 8.15.3. Discussion (PHP Cookbook)
error messages to syslog: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
flushing output and: 18.18.3. Discussion (PHP Cookbook)
functions for: A.1. PHP Functions by Category (Programming PHP)
opening connection to system logger: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
page views per user: 8.25.3. Discussion (PHP Cookbook)
parsing web server log files: 11.14.1. Problem (PHP Cookbook)
program errors: 8.18.1. Problem (PHP Cookbook)
session errors: 7.6.2.3. Custom storage (Programming PHP)
logging, as performance drag: 20.3.2. Logging (Webmaster in a Nutshell)
logging out
cookie authentication and: 8.11.3. Discussion (PHP Cookbook)
forcing user logout after fixed time interval: 8.10.3. Discussion (PHP Cookbook)
HTTP basic authentication and: 8.10.3. Discussion (PHP Cookbook)
logical operators: 5.7. Logical Operators (JavaScript)
2.4.10. Logical Operators (Programming PHP)
logicalXDPI property
screen object: 9.6. Alphabetical Object Reference (Dynamic HTML)
9.6. Alphabetical Object Reference (Dynamic HTML)
logicalYDPI property
screen object: 9.6. Alphabetical Object Reference (Dynamic HTML)
9.6. Alphabetical Object Reference (Dynamic HTML)
login
required for users: 9.4.2.1. Forcing users to a login page (Web Database Applications)
script for: 10.3. Authenticating Users (Web Database Applications)
login form for cookie authentication: 8.11.3. Discussion (PHP Cookbook)
login <form>: 9.4.3.2. Login page (Web Database Applications)
loginButtons( ): 11.1. The Winestore Home Page (Web Database Applications)
login_page( ): 9.4.3.2. Login page (Web Database Applications)
9.4.3.2. Login page (Web Database Applications)
logins
OCILogin( ): 10.1. Introduction (PHP Cookbook)
Unix system, formatted as HTML table: 18.23.3. Discussion (PHP Cookbook)
LogLevel directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
loglevel( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
logout script: 9.4.3.4. Logout script (Web Database Applications)
log_reason( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
long data type: 25. W3C DOM Reference (JavaScript)
A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
storing integers as: 14.6. The pval/zval Data Type (Programming PHP)
longdesc attribute
frame elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
iframe elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
img elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
<frame> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<img> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
longDesc property
frame objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
iframe objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
img objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
long2ip( ): A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
look-ahead assertions: 10.1.5. Specifying Match Position (JavaScript)
10.1.5. Specifying Match Position (JavaScript)
lookahead and lookbehind assertions: 4.10.10. Lookahead and Lookbehind (Programming PHP), conditional expressions: 4.10.12. Conditional Expressions (Programming PHP)
lookup_file( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
lookup_uri( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
loop attribute
bgsound elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
img elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
input elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
<bgsound> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<img> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<marquee> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
marquee elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
loop conditions: 2.3.3. for (Web Database Applications)
loop property
bgsound objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
img objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
input (type="image") objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
marquee objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
looping over array elements with each( ): 5.7.2. The Iterator Functions (Programming PHP)
loops: 2.5.2. Solution (PHP Cookbook)
2.5.3. Discussion (PHP Cookbook)
2.5. Flow-Control Statements (Programming PHP)
2.3. Loops (Web Database Applications)
changing behavior of: 2.3.5. Changing Loop Behavior (Web Database Applications)
continue statement and: 6.12. continue (JavaScript)
do/while: 6.7. do/while (JavaScript)
2.5.3. while (Programming PHP)
through every day in a month: 3.15.3. Discussion (PHP Cookbook)
exiting with break statement: 6.11. break (JavaScript)
4.14.3. Discussion (PHP Cookbook)
for (see for loops)
17.8.3. Discussion (PHP Cookbook)
foreach: 2.5.3. Discussion (PHP Cookbook)
2.2.5. Arrays (Programming PHP)
5.7.1. The foreach Construct (Programming PHP)
for/in: 6.9. for/in (JavaScript)
6.9. for/in (JavaScript)
8.6. Objects as Associative Arrays (JavaScript)
debugging, using in: 1.10. Exploring JavaScript (JavaScript)
enumerating object properties: 8.1.3. Enumerating Properties (JavaScript)
identifiers: 2.7. Identifiers (JavaScript)
incrementing counter controlling: 5.3. Arithmetic Operators (JavaScript)
infinite: 5.9.3. Discussion (PHP Cookbook)
inverting to reverse array element order: 4.16.3. Discussion (PHP Cookbook)
iterating through arrays: 4.5.2. Solution (PHP Cookbook)
labeling: 6.10. Labels (JavaScript)
merging arrays: 4.9.3. Discussion (PHP Cookbook)
while: 6.6. while (JavaScript)
18.9.3. Discussion (PHP Cookbook)
2.5.3. while (Programming PHP)
lost update problem: 6.2.1. Transactions and Concurrency (Web Database Applications)
lower( ): 3.9.1.1. String-comparison operators and functions (Web Database Applications)
lowercase (see case)
lowsrc attribute: 14.6.4. Other Image Properties (JavaScript)
img elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
input elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
lowsrc attribute, <img>: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
lowsrc property: 24. Client-Side JavaScript Reference (JavaScript)
img objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
input (type="image") objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
ls command (Unix)
` (backtick) operator, using with: 19.9.3. Discussion (PHP Cookbook)
octal file permissions displayed: 19.3.3. Discussion (PHP Cookbook)
lstat( ): 19.3.3. Discussion (PHP Cookbook)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
<% . . . %> tags (PHP): 16.2. Embedding PHP in HTML (Webmaster in a Nutshell)
< (angle bracket, left)
converting to HTML entity: 4.5.1.1. Entity-quoting all special characters (Programming PHP)
< (less than) operator: 2.4.8. Comparison Operators (Programming PHP), in string comparisons: 4.6.1. Exact Comparisons (Programming PHP)
<= (less than or equal to) operator: 2.4.8. Comparison Operators (Programming PHP), in string comparisons: 4.6.1. Exact Comparisons (Programming PHP)
<< (left shift) operator: 2.4.9. Bitwise Operators (Programming PHP)
<<< (heredoc identifier): 4.1.4. Here Documents (Programming PHP)
< > (angle brackets)
as pattern delimiters: 4.10.1. Delimiters (Programming PHP)
>& (redirection) operator: 18.24.3. Discussion (PHP Cookbook)
(inequality) operator: 2.4.8. Comparison Operators (Programming PHP)
< and >, converting to HTML entities: 8.9.3. Discussion (PHP Cookbook)
9.9.3. Discussion (PHP Cookbook)
11.10.2. Solution (PHP Cookbook)
<? and ?>, PHP start and end tags: 18.14.3. Discussion (PHP Cookbook), programming conventions in this book: 0.4.1. Programming Conventions (PHP Cookbook)
<<< in heredocs: 1.1. Introduction (PHP Cookbook)
1.8.3. Discussion (PHP Cookbook)
< (left angle bracket)
< (less-than) operator: 12.6. Operators (Dynamic HTML)
<= (less-than-or-equal) operator: 12.6. Operators (Dynamic HTML)
<< (left-shift) operator: 12.6. Operators (Dynamic HTML)
< (less than) operator: 5.5.1. Comparison Operators (JavaScript)
object data type conversion: 11.1.1. Object-to-Primitive Conversion (JavaScript)
strings, comparing: 5.6. String Operators (JavaScript)
<= (less than or equal) operator: 5.5.1. Comparison Operators (JavaScript)
object data type conversion: 11.1.1. Object-to-Primitive Conversion (JavaScript)
strings, comparing: 5.6. String Operators (JavaScript)
<abbr> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<acronym> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<address> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<a> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
4.4. Frame Targets (Webmaster in a Nutshell)
style pseudo-classes: 9.2.3.4. Style pseudo-classes (Webmaster in a Nutshell)
<applet> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<area> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<base> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<bdo> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<bgsound> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<b> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<blockquote> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<br /> tag, inserting before all newline characters: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
<br /> tags (XHTML), converting carriage returns to: 17.6.3. Discussion (PHP Cookbook)
<br> break element: 2.6.2.5. Rendering newline characters with <br> (Web Database Applications)
<br> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<button> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<caption> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5. Tables (Webmaster in a Nutshell)
5.2. The <caption> Tag (Webmaster in a Nutshell)
<center> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<cite> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<code> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<colgroup> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5.6.2. Column Grouping (Webmaster in a Nutshell)
<col> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5.6.2. Column Grouping (Webmaster in a Nutshell)
<comment> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<dd> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<del> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<dfn> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<Directory> directive (Apache)[: 18. Apache Configuration (Webmaster in a Nutshell)
<DirectoryMatch> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<dir> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<div> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<dl> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<dt> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<embed> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<em> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<fieldset> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<Files> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<FilesMatch> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<font> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<form>
for client entry: 8.4.1. Improving the Client Entry <form> (Web Database Applications)
(see also client entry <form>)
for database writes: 6. Writing to Web Databases (Web Database Applications)
6.1.3.2. Inserting data (Web Database Applications)
for login page: 9.4.3.2. Login page (Web Database Applications)
prefilling data and: 7.3.2.2. Prefilling <form> data with JavaScript calculations (Web Database Applications)
processing data and: 7.2.2. Processing <form> Data on the Server Side (Web Database Applications)
validating data and: 7.3.1. Validating <form> Data with JavaScript (Web Database Applications)
<form> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
6.1. The <form> Tag (Webmaster in a Nutshell)
<form> validation function: 7.3.1.2. Case study: A password <form> validation function (Web Database Applications)
<frame> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
4. Frames (Webmaster in a Nutshell)
4.3. The <frame> Tag (Webmaster in a Nutshell)
<frameset> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
4. Frames (Webmaster in a Nutshell)
4.1. Frame Layout (Webmaster in a Nutshell)
<hn> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<hr> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<IfDefine> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<IfModule> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<iframe> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
4.5. Frame Border Attributes (Webmaster in a Nutshell)
<i> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<ilayer> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<img> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<img> tag (localized): 16.8.3. Discussion (PHP Cookbook)
<input> tag: 6.2. The <input> Tag (Webmaster in a Nutshell)
checkboxes: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
file-selection elements: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
hidden elements: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
image input element: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
push buttons: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
radio buttons: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
reset buttons: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
submit buttons: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
text-input elements: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<ins> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<isindex> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<kbd> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<keygen> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<label> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<layer> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<legend> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<li> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<Limit> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<link> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
9.1.3.1. Linked external style sheets (Webmaster in a Nutshell)
@import command: 9.1.3. External Style Sheets (Webmaster in a Nutshell)
<listing> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<Location> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<LocationMatch> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<< (shift left) operator: 5.8. Bitwise Operators (JavaScript)
<map> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<marquee> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<menu> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<meta> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<multicol> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<nobr> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<noembed> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<noframes> tag: 4. Frames (Webmaster in a Nutshell)
<noframes> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<noscript> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<object> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<ol> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<optgroup> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<option selected> element: 5.4.1. Implementing the selectDistinct Function (Web Database Applications)
<option> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
6.4. The <select> Tag (Webmaster in a Nutshell)
<param> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<Perl> directives (Apache): 15.6. <Perl> Sections (Webmaster in a Nutshell)
<p> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell), style pseudo-classes: 9.2.3.4. Style pseudo-classes (Webmaster in a Nutshell)
<?php . . . ?> tags (PHP): 16.2. Embedding PHP in HTML (Webmaster in a Nutshell)
<?php ?> tags (for PHP code): 1.4. A Walk Through PHP (Programming PHP)
<plaintext> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<pre> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<q> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
ltrim( ): 1.9.2. Solution (PHP Cookbook)
4.4.1. Removing Whitespace (Programming PHP)
A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
2.6.2.4. Trimming whitespace (Web Database Applications)
3.9.1.1. String-comparison operators and functions (Web Database Applications)
<samp> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<script> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
11.3.1.1. The <script> tag (Webmaster in a Nutshell)
<script> tags, enclosing PHP code in: 2.7.4. Script Style (Programming PHP)
<select> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
6.4. The <select> Tag (Webmaster in a Nutshell)
<server> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<s> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<small> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<spacer> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<span> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<strike> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<strong> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<style> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
9.1.2. Document-Level Styles (Webmaster in a Nutshell)
@import command: 9.1.3.2. Imported external style sheets (Webmaster in a Nutshell)
<sub> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<sup> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<table> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5. Tables (Webmaster in a Nutshell)
5.1. The <table> Tag (Webmaster in a Nutshell)
<tbody> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5.6.1. Table Section Tags (Webmaster in a Nutshell)
<td> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5. Tables (Webmaster in a Nutshell)
5.4. The <th> and <td> Tags (Webmaster in a Nutshell)
5.4. The <th> and <td> Tags (Webmaster in a Nutshell)
<textarea> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
6.3. The <textarea> Tag (Webmaster in a Nutshell)
<tfoot> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5.6.1. Table Section Tags (Webmaster in a Nutshell)
<thead> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5.6.1. Table Section Tags (Webmaster in a Nutshell)
<th> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5. Tables (Webmaster in a Nutshell)
5.4. The <th> and <td> Tags (Webmaster in a Nutshell)
<title> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<tr> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
5. Tables (Webmaster in a Nutshell)
5.3. The <tr> Tag (Webmaster in a Nutshell)
<tt> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<ul> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<var> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<VirtualHost> directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
<wbr> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<xmp> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
Luhn checksum: 4.9.3.1. Matching (Programming PHP)
lvalues: 5.2.2. Type of Operands (JavaScript)

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