Index: L

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

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)

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)

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)

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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