Index: I

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Index: I
- i attribute (case-insensitive matching):  23. Core JavaScript Reference (JavaScript)
- 
  -  23. Core JavaScript Reference (JavaScript)
 
- /i (case-insensitive) patternmodifier:  13.2.2. Solution (PHP Cookbook)
- i elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- i flag (regular expressions):  10.1.6. Flags (JavaScript)
- 
  -  10.3.2. RegExp Instance Properties (JavaScript)
 
- i objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- ibase_execute( ):  10.8.3. Discussion (PHP Cookbook)
- ibase_prepare( ):  10.8.3. Discussion (PHP Cookbook)
- IBM, SQL and:  1.4.4.1. History (Web Database Applications)
- ICAP extension:  B.1. Optional Extensions Listing (Programming PHP)
- icons:  19.7. mod_autoindex (Webmaster in a Nutshell)
- icons, representing notes in PDF files:  10.6.1. Note Annotations (Programming PHP)
- iconv extension (converting strings between encodings):  B.1. Optional Extensions Listing (Programming PHP)
- ID
- 
  
  - custom newsletter example:  5.11. Combining Forces: A Custom Newsletter (Dynamic HTML)
- element object references:  2.3.1. Element Object References (Dynamic HTML)
- instant access:  1.6.2. Microsoft IE 4 DOM (Dynamic HTML)
- referencing models and:  5.5. Changing Tag Attribute Values (Dynamic HTML)
 
- id attribute:  8.2.1. Attributes (Dynamic HTML)
- 
  -  3.1. Core Attributes (Webmaster in a Nutshell)
- applet elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- event handlers:  6.3.3. Event Handlers as <script> Tags (IE 4 and Later) (Dynamic HTML)
- getElementById( ):  1.6.3. W3C DOM Architecture (Dynamic HTML)
- HTML requirements:  6.3.3. Event Handlers as <script> Tags (IE 4 and Later) (Dynamic HTML)
- ilayer elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- img element:  5.4.1. Precaching Images (Dynamic HTML)
- layer elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- Layer object:  17.4. DOM Compatibility with Netscape 4 (JavaScript)
- linking:  3.8.2. Attribute Selectors (Dynamic HTML)
- <applet> tags:  3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
- <basefont> 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)
- <br> tag:  3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
- <font> tag:  3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
- <frame> 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)
- <iframe> 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)
- <param> tags:  3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
- name attribute and:  1.4. XHTML (Dynamic HTML)
- positioning elements:  4.1.1. Setting the position Attribute (Dynamic HTML)
- for style classes:  9.2.3.3. Using IDs as classes (Webmaster in a Nutshell)
- style sheet links and:  1.5. Style Sheets (Dynamic HTML)
- style sheet rules and:  18.1.1. Applying Style Rules to Document Elements (JavaScript)
 
- id 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)
 
- ID selectors
- 
  
  - as attribute selector:  3.8.2. Attribute Selectors (Dynamic HTML)
- characteristics:  3.7.2. ID Selectors (Dynamic HTML)
- creating subgroups:  3.7. Common Subgroup Selectors (Dynamic HTML)
- positioning elements:  4.1.1. Setting the position Attribute (Dynamic HTML)
- pseudo-element/class:  3.8.1.2. Using pseudo-classes (Dynamic HTML)
 
- idempotence, HTTP requests:  7.4.1. Methods (Programming PHP)
- identd process:  18. Apache Configuration (Webmaster in a Nutshell)
- identifier attributes:  3.4.2. Creating Tables (Web Database Applications)
- identifier property:  25. W3C DOM Reference (JavaScript)
- identifiers:  2.7. Identifiers (JavaScript)
- 
  -  2.1.6. Identifiers (Programming PHP)
-  8.2. Session Management Over the Web (Web Database Applications)
- arguments:  7.3. Function Scope: The Call Object (JavaScript)
- backward compatibility:  1.4. XHTML (Dynamic HTML)
- case-sensitivity in:  2.2. Case Sensitivity (JavaScript)
- class identifiers:  3.7.1.1. Binding a class identifier to an element type (Dynamic HTML)
- class names:  2.1.6.3. Class names (Programming PHP)
- constants:  2.1.6.4. Constants (Programming PHP)
- database sequences:  8.4.5. Sequences (Programming PHP)
- elements, getting by:  25. W3C DOM Reference (JavaScript)
- function names:  2.1.6.2. Function names (Programming PHP)
- heredoc:  4.1.4. Here Documents (Programming PHP)
- as index values:  5.4.1. Precaching Images (Dynamic HTML)
- keywords and:  2.1.7. Keywords (Programming PHP)
- linking style sheets and content:  1.5. Style Sheets (Dynamic HTML)
- syntax:  3.7.2. ID Selectors (Dynamic HTML)
- unique, function for:  7.5.3. Defining Your Own Function Properties (JavaScript)
- values:  8.1.2. Identifier (Dynamic HTML)
- 
    -  9.1.2. Identifier (Dynamic HTML)
 
- variable names:  2.1.6.1. Variable names (Programming PHP)
 
- identifiers, JavaScript:  11.2.5. Identifiers (Webmaster in a Nutshell)
- identifying colors:  9.8.2. Identifying Colors (Programming PHP)
- identity (===) operator:  5.4.1. Equality (==) and Identity (===) (JavaScript)
- 
  -  5.4.1. Equality (==) and Identity (===) (JavaScript)
-  2.4.8. Comparison Operators (Programming PHP)
-  4.6.1. Exact Comparisons (Programming PHP)
-  4.7.4. String-Searching Functions (Programming PHP)
- rules for determining identity of values:  5.4.1. Equality (==) and Identity (===) (JavaScript)
 
- identity operator (===):  12.6. Operators (Dynamic HTML)
- 
  -  5.2.3. Discussion (PHP Cookbook)
 
- IdentityCheck directive (Apache):  18. Apache Configuration (Webmaster in a Nutshell)
- ids property, document objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- IE (see Internet Explorer)
- IE 4 DOM:  11.3.3. The Document Object (Webmaster in a Nutshell)
- 
  -  11.3.6. IE 4 DOM (Webmaster in a Nutshell)
 
- if conditions:  2.6.1. Object Detection over Browser Sniffing (Dynamic HTML)
- @if statement:  12.8. Miscellaneous Statements  (Dynamic HTML)
- if statement, PHP:  16.8.1. if (Webmaster in a Nutshell)
- if statements:  5.10.1. The Conditional Operator (?:) (JavaScript)
- 
  -  6.3. if (JavaScript)
-  2.5.1. if (Programming PHP)
- chaining:  2.5.1. if (Programming PHP)
- else clause:  2.5.1. if (Programming PHP)
 
- if/else statement:  12.7. Control Statements  (Dynamic HTML)
- if/else statement (JavaScript):  11.2.10.5. Alphabetical statement reference (Webmaster in a Nutshell)
- if/else statements:  6.3. if (JavaScript)
- 
  
  - boolean values in:  3.3. Boolean Values (JavaScript)
- else if statement with:  6.4. else if (JavaScript)
 
- iframe elements:  2.6.3. Overlaying a Different Page (Dynamic HTML)
- 
  -  2.6.3. Overlaying a Different Page (Dynamic HTML)
-  5.9.1. The iframe Element (Dynamic HTML)
-  8.3. Alphabetical Tag Reference (Dynamic HTML)
 
- iframe objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- ignoreCase property:  10.3.2. RegExp Instance Properties (JavaScript)
- 
  -  23. Core JavaScript Reference (JavaScript)
- regular expression objects:  12.5. Core Objects (Dynamic HTML)
 
- ignore_user_abort( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- ignoring incompatibility problems:  20.1.6. Ignore the Problem (JavaScript)
- ilayer elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- ilayer objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- image maps:  3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
- 
  -  6.2.7. Custom Buttons (Webmaster in a Nutshell)
- clickable:  19.18. mod_imap (Webmaster in a Nutshell)
 
- Image object:  14.6. Images (JavaScript)
- 
  -  24. Client-Side JavaScript Reference (JavaScript)
- event handlers:  14.6.3. Image Event Handlers (JavaScript)
- image replacement
- 
    
    - implementing ToggleButton with:  14.6.5. Image-Replacement Example (JavaScript)
- src property, using:  14.6.1. Image Replacement with the src Property (JavaScript)
 
- name attribute and:  14.1.4. Naming Document Objects (JavaScript)
- off-screen images, caching and:  14.6.2. Offscreen Images and Caching (JavaScript)
- properties, accessing:  3.5. Objects (JavaScript)
- properties, size, borders, and resolution:  14.6.4. Other Image Properties (JavaScript)
 
- Image object (JavaScript):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- Image object, src property:  5.4.1. Precaching Images (Dynamic HTML)
- 
  -  5.4.1. Precaching Images (Dynamic HTML)
 
- image rollovers:  11.3.4.4. Image rollovers (Webmaster in a Nutshell)
- ImageArc( ):  15.3.2. Solution (PHP Cookbook)
- 
  -  9.4.5. Basic Drawing Functions (Programming PHP)
 
- image_button( ) (CGI.pm):  14. The CGI.pm Module (Webmaster in a Nutshell)
- ImageColorAllocate( ):  15.1. Introduction (PHP Cookbook)
- 
  -  9.4.1. The Structure of a Graphics Program (Programming PHP)
-  9.8. Color Handling  (Programming PHP)
 
- ImageColorAt( ):  9.8.2. Identifying Colors (Programming PHP)
- ImageColorResolveAlpha( ):  9.8. Color Handling  (Programming PHP)
- 
  -  9.8.3. True Color Color Indexes (Programming PHP)
 
- ImageColorsForIndex( ):  15.8.3. Discussion (PHP Cookbook)
- 
  -  9.8.2. Identifying Colors (Programming PHP)
 
- ImageColorTransparent( ):  15.8.2. Solution (PHP Cookbook)
- ImageCreate( ):  15.1. Introduction (PHP Cookbook)
- 
  -  9.4.1. The Structure of a Graphics Program (Programming PHP)
-  9.8. Color Handling  (Programming PHP)
 
- ImageCreateFrom( ):  7.10.3. Discussion (PHP Cookbook)
- ImageCreateFromJPEG( ):  9.4.4. Reading an Existing File (Programming PHP)
- ImageCreateFromPNG( ):  15.1. Introduction (PHP Cookbook)
- ImageCreateFromPNG( ) function:  9.4.4. Reading an Existing File (Programming PHP)
- ImageDashedLine( ) function:  9.4.5. Basic Drawing Functions (Programming PHP)
- ImageDestroy( ):  15.1. Introduction (PHP Cookbook)
- 
  -  15.10. Program: Generating Bar Charts from Poll Results (PHP Cookbook)
 
- ImageEllipse( ):  15.3.3. Discussion (PHP Cookbook)
- ImageFill( ):  9.4.5. Basic Drawing Functions (Programming PHP)
- ImageFilledArc( ):  15.3.3. Discussion (PHP Cookbook)
- ImageFilledEllipse( ):  15.3.3. Discussion (PHP Cookbook)
- ImageFilledPolygon( ):  15.2.2. Solution (PHP Cookbook)
- 
  -  9.4.5. Basic Drawing Functions (Programming PHP)
 
- ImageFilledRectangle( ):  15.1. Introduction (PHP Cookbook)
- 
  -  15.2.2. Solution (PHP Cookbook)
-  9.4.1. The Structure of a Graphics Program (Programming PHP)
-  9.4.5. Basic Drawing Functions (Programming PHP)
- drawing bars for bar chart:  15.10. Program: Generating Bar Charts from Poll Results (PHP Cookbook)
 
- ImageFillToBorder( ):  15.3.3. Discussion (PHP Cookbook)
- 
  -  9.4.5. Basic Drawing Functions (Programming PHP)
 
- ImageFtBBox( ):  15.6.3. Discussion (PHP Cookbook)
- ImageJPEG( ):  9.4.1. The Structure of a Graphics Program (Programming PHP)
- ImageLine( ):  15.2.2. Solution (PHP Cookbook)
- 
  -  9.4.5. Basic Drawing Functions (Programming PHP)
- coordinates for lines:  15.2.3. Discussion (PHP Cookbook)
 
- ImageLoadFont( ):  9.5.1. Fonts (Programming PHP)
- ImagePNG( ):  15.1. Introduction (PHP Cookbook)
- 
  -  15.10. Program: Generating Bar Charts from Poll Results (PHP Cookbook)
 
- ImagePNG( ) function:  9.4.1. The Structure of a Graphics Program (Programming PHP)
- ImagePolygon( ):  15.2.2. Solution (PHP Cookbook),  coordinates for polygons:   15.2.3. Discussion (PHP Cookbook)
- ImagePolygon( ) function:  9.4.5. Basic Drawing Functions (Programming PHP)
- ImagePSBBox( ):  15.6.3. Discussion (PHP Cookbook)
- ImagePSFreeFont( ):  15.5.3. Discussion (PHP Cookbook)
- ImagePSLoadFont( ):  15.5.2. Solution (PHP Cookbook)
- 
  -  15.5.3. Discussion (PHP Cookbook)
 
- ImagePSText( ):  15.5.2. Solution (PHP Cookbook)
- 
  -  15.5.3. Discussion (PHP Cookbook)
 
- ImageRectangle( ):  15.2.2. Solution (PHP Cookbook),  coordinates for rectangles:   15.2.3. Discussion (PHP Cookbook)
- ImageRectangle( ) function:  9.4.5. Basic Drawing Functions (Programming PHP)
- images:  16.8.1. Problem (PHP Cookbook)
- 
  -  1.4.4. Graphics (Programming PHP)
-  9.6.1. Caching the Dynamically Generated Buttons (Programming PHP)
- background:  9.4. CSS Reference (Webmaster in a Nutshell)
- converting to text:  9.8.4. Text Representation of an Image (Programming PHP)
- creating and drawing:  9.4. Creating and Drawing Images (Programming PHP),  graphics program structure:   9.4.1. The Structure of a Graphics Program (Programming PHP)
- dynamically generated, for buttons:  9.6. Dynamically Generated Buttons (Programming PHP)
- embedding in a page:  9.1. Embedding an Image in a Page (Programming PHP)
- file formats:  9.3. Basic Graphics Concepts (Programming PHP)
- 
    
    - changing:  9.4.2. Changing the Output Format (Programming PHP)
- EXIF extension:  B.1. Optional Extensions Listing (Programming PHP)
- testing for supported:  9.4.3. Testing for Supported Image Formats (Programming PHP)
- true color:  9.3. Basic Graphics Concepts (Programming PHP)
 
- for list item markers:  9.4. CSS Reference (Webmaster in a Nutshell)
- GD extension, generating with:  9.2. The GD Extension (Programming PHP),  file formats supported:   9.2. The GD Extension (Programming PHP)
- in PDF documents:  10.4.1. Images (Programming PHP),  templates for:   10.4.4. Templates (Programming PHP)
- object detection and:  2.6.1. Object Detection over Browser Sniffing (Dynamic HTML)
- scaling:  9.7. Scaling Images (Programming PHP)
- as scriptable objects:  1.6. Document Object Model (Dynamic HTML)
- transparency:  9.3. Basic Graphics Concepts (Programming PHP)
- 
    -  9.3. Basic Graphics Concepts (Programming PHP)
- (see also alpha channel)
 
- with text:  9.5. Images with Text (Programming PHP),  fonts:   9.5.1. Fonts (Programming PHP)
 
- images array (Document object):  2.6.1. Object Detection over Browser Sniffing (Dynamic HTML)
- images objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- images[] property:  14. The Document Object (JavaScript)
- 
  -  14.1.2. Document Properties (JavaScript)
-  14.6. Images (JavaScript)
-  24. Client-Side JavaScript Reference (JavaScript)
-  25. W3C DOM Reference (JavaScript)
 
- images, rollover and animation effects:  1.6.6. Still More Features (JavaScript)
- ImageSetPixel( ):  9.4.5. Basic Drawing Functions (Programming PHP)
- ImageSetStyle( ):  15.4.2. Solution (PHP Cookbook)
- ImageString( ):  15.5.2. Solution (PHP Cookbook)
- 
  -  9.5. Images with Text (Programming PHP)
- coordinates:  15.6.3. Discussion (PHP Cookbook)
- text for bar chart:  15.10. Program: Generating Bar Charts from Poll Results (PHP Cookbook)
 
- ImageStringUp( ):  15.5.3. Discussion (PHP Cookbook)
- ImageSX( ):  15.6.3. Discussion (PHP Cookbook)
- ImageSY( ):  15.6.3. Discussion (PHP Cookbook)
- ImageTrueColorToPalette( ):  9.8. Color Handling  (Programming PHP)
- ImageTTFBBox( ):  15.6.3. Discussion (PHP Cookbook)
- ImageTTFText( ):  15.5.2. Solution (PHP Cookbook)
- 
  -  9.5.2. TrueType Fonts (Programming PHP)
- options, order of:  15.5.3. Discussion (PHP Cookbook)
 
- imagetypes( ):  15.1. Introduction (PHP Cookbook)
- ImageWBMP( ) function:  9.4.1. The Structure of a Graphics Program (Programming PHP)
- imagewidth and imageheight keywords:  10.4.1. Images (Programming PHP)
- IMAP extension:  17.4.2. Solution (PHP Cookbook)
- 
  
  - MIME type values:  17.4.3. Discussion (PHP Cookbook)
- NNTP capabilities:  17.6.2. Solution (PHP Cookbook)
- RFC 822-compliant address parser:  13.6.3. Discussion (PHP Cookbook)
 
- IMAP, POP, and NNTP extension:  B.1. Optional Extensions Listing (Programming PHP)
- ImapBase directive (Apache):  19.18. mod_imap (Webmaster in a Nutshell)
- imap_body( ):  17.4.3. Discussion (PHP Cookbook)
- imap_close( ):  17.6.3. Discussion (PHP Cookbook)
- ImapDefault directive (Apache):  19.18. mod_imap (Webmaster in a Nutshell)
- imap_fetchbody( ):  17.4.3. Discussion (PHP Cookbook)
- 
  -  17.6.3. Discussion (PHP Cookbook)
 
- imap_fetchstructure( ):  17.4.3. Discussion (PHP Cookbook)
- imap_header( ):  7.12.1. Problem (PHP Cookbook),  fields from NNTP server:   17.6.3. Discussion (PHP Cookbook)
- imap_headers( ):  17.4.3. Discussion (PHP Cookbook)
- imap_mail_compose( ):  17.5.2. Solution (PHP Cookbook)
- 
  -  17.5.3. Discussion (PHP Cookbook)
 
- ImapMenu directive (Apache):  19.18. mod_imap (Webmaster in a Nutshell)
- imap_num_msg( ):  17.6.3. Discussion (PHP Cookbook)
- imap_open( ):  17.4.3. Discussion (PHP Cookbook),  NNTP server connections:   17.6.3. Discussion (PHP Cookbook)
- imap_rfc822_parse_adrlist( ):  13.6.2. Solution (PHP Cookbook)
- ime-mode attribute (CSS):  11.5. Alphabetical Attribute Reference (Dynamic HTML)
- imeMode property
- 
  
  - CSSStyleDeclaration objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- style objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
 
- img( ) wrapper function:  16.8.3. Discussion (PHP Cookbook)
- img elements:  5.4. Image Swapping (Dynamic HTML)
- 
  -  5.4.2. Swap Your Image (Dynamic HTML)
-  8.3. Alphabetical Tag Reference (Dynamic HTML)
- containment example:  3.3. Two Types of Containment (Dynamic HTML)
- dragging elements example:  6.7. Dragging Elements (Dynamic HTML)
- event bubbling and:  6.5.1. Event Bubbling (Dynamic HTML)
- identifiers and:  5.4.1. Precaching Images (Dynamic HTML)
- mouse events:  5.4.2. Swap Your Image (Dynamic HTML)
- as positionable element:  4.1. Creating Positionable Elements (Dynamic HTML)
- src property:  5.4.2. Swap Your Image (Dynamic HTML)
 
- img objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- Imlib2 extension:  9.2. The GD Extension (Programming PHP)
- immutability of strings:  11.2.2. Copying and Passing Strings (JavaScript)
- implementation objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- implementation property:  17.1.5. DOM Conformance (JavaScript)
- 
  -  25. W3C DOM Reference (JavaScript)
- document objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
 
- implicit casting:  2.4.4. Implicit Casting (Programming PHP)
- implode( ):  4.7.3.1. Exploding and imploding (Programming PHP)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
-  2.6.4.4. Extracting multiple values from a string (Web Database Applications)
 
- @import command:  9.1.3. External Style Sheets (Webmaster in a Nutshell)
- @import rule:  3.6.2.3. The @import rule (Dynamic HTML)
- 
  -  3.9. Cascade Precedence Rules (Dynamic HTML)
-  11.3. At-Rules (Dynamic HTML)
 
- !important attribute (CSS):  11.5. Alphabetical Attribute Reference (Dynamic HTML)
- important declaration:  3.9.1. Making a Declaration Important (Dynamic HTML)
- importing external style sheets:  9.1.3.2. Imported external style sheets (Webmaster in a Nutshell)
- import_names( ) (CGI.pm):  14. The CGI.pm Module (Webmaster in a Nutshell)
- importNode( ):  25. W3C DOM Reference (JavaScript)
- importNode( ) method, document objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- importNode( ) (W3C DOM):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- import_request_variables( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- imports objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- imports property, styleSheet objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- I18N (see internationalization)
- in clause (for/in loops):  6.9. for/in (JavaScript)
- in (operator):  5.5.2. The in Operator (JavaScript)
- in_array( ):  4.12.2. Solution (PHP Cookbook)
- 
  -  4.13.3. Discussion (PHP Cookbook)
-  5.7.6. Searching for Values (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
-  2.5.4.3. Finding values in arrays with in_array( ) and array_search( ) (Web Database Applications)
- duplicate elements and:  4.23.3. Discussion (PHP Cookbook)
 
- inch units:  4.2.2. top, right, bottom, and left Attributes (Dynamic HTML)
- include construct:  2.6. Including Code (Programming PHP)
- 
  
  - getting included files:  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- include( ) function:  15.2.6. Remote Files (Programming PHP)
- include_once:  2.6. Including Code (Programming PHP)
- opening remote files, security and:  12.2. Filenames (Programming PHP)
 
- include directive:  11.2.3. Discussion (PHP Cookbook)
- 
  -  2.10.4. Reusing Functions with Include and Require Files (Web Database Applications)
- caution with:  2.10.4. Reusing Functions with Include and Require Files (Web Database Applications)
- using:  4.2.1. Using Include Files in Practice (Web Database Applications)
 
- Include directive (Apache):  18. Apache Configuration (Webmaster in a Nutshell)
- include directive (SSI):  13.2. Basic SSI Directives (Webmaster in a Nutshell)
- include files:  10.4. The Winestore Include Files (Web Database Applications)
- 
  - (see also db.inc include file error.inc include file)
- localizing:  16.9.1. Problem (PHP Cookbook)
- whitespace in:  8.19.3. Discussion (PHP Cookbook)
 
- include keyword (PHP):  16.2.1. Including Files (Webmaster in a Nutshell)
- include_path directive:  16.9.3. Discussion (PHP Cookbook),  checking for PEAR packages:   21.2.3. Discussion (PHP Cookbook)
- including JavaScript files:  12.2.2. Including JavaScript Files (JavaScript)
- including remote files with PHP on Windows:  15.2.6. Remote Files (Programming PHP)
- incompatibility between platforms:  1.9. A Fragmenting World (Dynamic HTML)
- 
  -  2.1. What Is a Platform? (Dynamic HTML)
 
- incorrect summary problem:  6.2.1. Transactions and Concurrency (Web Database Applications)
- increment (++) operator:  5.3. Arithmetic Operators (JavaScript)
- 
  -  5.3. Arithmetic Operators (JavaScript)
-  6.1. Expression Statements (JavaScript)
 
- increment operator (++):  12.6. Operators (Dynamic HTML)
- incrementing alphabetic characters:  2.4.7. Autoincrement and Autodecrement Operators (Programming PHP)
- incrementing array initialization to range of integers:  4.4.3. Discussion (PHP Cookbook)
- incrementing loop variables:  6.8. for (JavaScript)
- increments, expression:  2.5.4. for (Programming PHP)
- Indent command:  D. Internet Explorer Commands (Dynamic HTML)
- indenting code:  2.3. Whitespace and Line Breaks (JavaScript)
- 
  -  6.3. if (JavaScript)
 
- indenting comments:  2.1.4.3. C comments (Programming PHP)
- indeterminate property, input (type="checkbox") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- index files:  1.4.1. Database Management Systems (Web Database Applications)
- index property:  25. W3C DOM Reference (JavaScript)
- 
  
  - Array object:  10.2. String Methods for Pattern Matching (JavaScript)
- Option object:  24. Client-Side JavaScript Reference (JavaScript)
- option objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- RegExp objects:  12.5. Core Objects (Dynamic HTML)
 
- indexed arrays:  5.1. Indexed Versus Associative Arrays (Programming PHP)
- 
  
  - calculating sum of values:  5.9.1. Calculating the Sum of an Array (Programming PHP)
- database query results:  8.3.5.3. Inside a row array (Programming PHP)
- initializing (example):  5.3. Storing Data in Arrays (Programming PHP)
- slicing:  5.5.1. Slicing an Array (Programming PHP)
- sorting, functions for:  5.8.1. Sorting One Array at a Time (Programming PHP)
 
- indexed links:  10.14.2. Solution (PHP Cookbook),  displaying:   10.14.3. Discussion (PHP Cookbook)
- indexes:  3.10.1. Keys, Primary Keys, and Indexes (Web Database Applications)
- 
  
  - array:  3.6. Arrays (JavaScript)
- 
    -  9.1. Arrays and Array Elements (JavaScript)
- not starting at 0 (zero):  4.2.1. Problem (PHP Cookbook)
- redoing with array_splice( ):  4.6.3. Discussion (PHP Cookbook)
- sparse:  9.1.3. Adding New Elements to an Array (JavaScript)
 
- associative arrays:  3.5. Objects (JavaScript)
- DBM files:  10.3.3. Discussion (PHP Cookbook)
- deleting/working with:  3.4.3. Altering Tables and Indexes (Web Database Applications)
- selected options:  24. Client-Side JavaScript Reference (JavaScript)
- string and array, starting with 0:  3.2.3. Working with Strings (JavaScript)
 
- indexes, true color:  9.8.3. True Color Color Indexes (Programming PHP)
- IndexIgnore directive (Apache):  19.7. mod_autoindex (Webmaster in a Nutshell)
- indexOf( ):  23. Core JavaScript Reference (JavaScript),  String objects:   12.5. Core Objects (Dynamic HTML)
- indexOf( ) method:  3.2.3. Working with Strings (JavaScript)
- 
  -  16.3. Reading Cookies (JavaScript)
 
- indexOf( ) (String object):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- IndexOptions directive (Apache):  19.7. mod_autoindex (Webmaster in a Nutshell)
- inequality (!=) operator:  5.4.2. Inequality (!=) and Non-Identity (!==) (JavaScript)
- 
  -  5.4.2. Inequality (!=) and Non-Identity (!==) (JavaScript)
 
- inequality (!= or <>) operators:  2.4.8. Comparison Operators (Programming PHP)
- inequality, comparing for:  4.13.3. Discussion (PHP Cookbook)
- inequality operator (!=):  12.6. Operators (Dynamic HTML)
- infinite loops:  5.9.3. Discussion (PHP Cookbook)
- 
  -  2.5.4. for (Programming PHP)
- print_r( ) used on recursive structures:  4.2.4. print_r( ) and var_dump( ) (Programming PHP)
 
- infinite numbers:  2.1. Introduction (PHP Cookbook)
- infinity:  3.1.5. Special Numeric Values (JavaScript),  division by 0, yielding:   5.3. Arithmetic Operators (JavaScript)
- -Infinity (negative infinity):  23. Core JavaScript Reference (JavaScript)
- Infinity property:  23. Core JavaScript Reference (JavaScript)
- 
  -  23. Core JavaScript Reference (JavaScript)
- Global objects:  12.5. Core Objects (Dynamic HTML)
 
- info command (PEAR):  21.4.2. Solution (PHP Cookbook)
- informational HTTP status codes:  17.2.1. Informational (Webmaster in a Nutshell)
- Informix databases (extension for):  B.1. Optional Extensions Listing (Programming PHP)
- Ingres II databases (extension for):  B.1. Optional Extensions Listing (Programming PHP)
- inherit value
- 
  
  - position attribute:  4.1.1. Setting the position Attribute (Dynamic HTML)
- visibility attribute:  4.2.5. The visibility Attribute (Dynamic HTML)
 
- inheritance:  1. Introduction to JavaScript (JavaScript)
- 
  -  8.4. Prototypes and Inheritance (JavaScript)
-  6.1. Terminology (Programming PHP)
-  6.4.3. Inheritance (Programming PHP)
-  2.11.2. Inheritance (Web Database Applications)
- class-based
- 
    
    - prototype-based vs.:  8.5. Object-Oriented JavaScript (JavaScript)
- superclasses and subclasses:  8.5.7. Superclasses and Subclasses (JavaScript)
 
- classes, client-side JavaScript:  24. Client-Side JavaScript Reference (JavaScript)
- descendant selectors and:  3.7.3. Descendant Selectors (Dynamic HTML)
- DOM interfaces:  25. W3C DOM Reference (JavaScript)
- free-range class rule example:  3.7.1.2. Defining a free-range class rule (Dynamic HTML)
- from parent to child:  1.7. Web Accessibility Initiative (WAI) (Dynamic HTML)
- from Object object:  8.7. Object Properties and Methods (JavaScript)
- object properties and:  23. Core JavaScript Reference (JavaScript)
- p.narrow rule example:  3.7.1.1. Binding a class identifier to an element type (Dynamic HTML)
- style attributes and:  3.3.1. Inheritance (Dynamic HTML)
- style classes:  9.2.3.5. Class inheritance (Webmaster in a Nutshell)
- style properties:  9.3.2. Property Inheritance (Webmaster in a Nutshell)
- style sheets and:  3.3.1. Inheritance (Dynamic HTML)
 
- inheritance, class:  7.1. Introduction (PHP Cookbook),  implementing by extending classes:   7.1. Introduction (PHP Cookbook)
- INI entries, defining in extensions:  14.12. Extension INI Entries (Programming PHP)
- ini_alter( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- ini_get( ):  8.23.2. Solution (PHP Cookbook)
- 
  -  21.2.3. Discussion (PHP Cookbook)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- ini_get_all( ):  8.23.3. Discussion (PHP Cookbook)
- ini_restore( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- ini_set( ):  8.24.2. Solution (PHP Cookbook)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- init( ) method (Applet),  using JavaScript from:   22.2.2. Using JSObjects in Applets (JavaScript)
- initEvent( ):  25. W3C DOM Reference (JavaScript)
- initEvent( ) method, event objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- initial statements:  2.3.3. for (Web Database Applications)
- initialization vector (IV):  14.9.3. Discussion (PHP Cookbook)
- 
  
  - with encryption/decryption modes:  14.8.3. Discussion (PHP Cookbook)
- functions for creating:  14.8.3. Discussion (PHP Cookbook)
- passing with encrypted text:  14.8.3. Discussion (PHP Cookbook)
 
- initializing
- 
  
  - arrays:  3.6.1. Creating Arrays (JavaScript)
- 
    -  5.3. Storing Data in Arrays (Programming PHP)
 
- event object properties:  19.2.9. Synthesizing Events (JavaScript)
- loop variables:  6.8. for (JavaScript)
- object properties:  8.4. Prototypes and Inheritance (JavaScript)
- objects:  8.1.1. Creating Objects (JavaScript)
- PDF documents:  10.2.2. Initializing the Document (Programming PHP)
- variables:  12.1.1. Initialize Variables (Programming PHP)
- variables, with statements and:  6.18. with (JavaScript)
 
- initKeyEvent( ) method, event objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- initMouseEvent( ):  25. W3C DOM Reference (JavaScript)
- initMouseEvent( ) method, event objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- initMutationEvent( ):  25. W3C DOM Reference (JavaScript)
- initMutationEvent( ) method, event objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- initUIEvent( ):  25. W3C DOM Reference (JavaScript)
- initUIEvent( ) method, event objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- inline elements:  4.1. Creating Positionable Elements (Dynamic HTML)
- inline frame:  13.11.1. Relationships Between Frames (JavaScript)
- inline frames:  4.5. Frame Border Attributes (Webmaster in a Nutshell)
- inline options (within patterns):  4.10.9. Inline Options (Programming PHP)
- inline styles:  18.1.5. CSS Example (JavaScript)
- 
  -  9.1.1. Inline Styles (Webmaster in a Nutshell)
- computed style vs.:  18.5.2. Computed Styles (JavaScript)
- override styles vs.:  18.5.3. Override Styles (JavaScript)
 
- innerHeight property:  24. Client-Side JavaScript Reference (JavaScript),  window objects:   9.6. Alphabetical Object Reference (Dynamic HTML)
- innerHTML property:  9.5.3. Event Handlers (Dynamic HTML)
- 
  -  17.2.4. Adding Content to a Document (JavaScript)
-  17.3.3. Modifying Documents (JavaScript)
-  24. Client-Side JavaScript Reference (JavaScript)
- adding:  1.6.3. W3C DOM Architecture (Dynamic HTML)
- altering elements:  5.7.1.1. IE text (Dynamic HTML)
- cross-platforms and:  2.3.4. Dynamic Content (Dynamic HTML)
- dynamic tables:  5.8. Dynamic Tables (Dynamic HTML)
- features:  5.7.2.1. IE HTML and elements (Dynamic HTML)
- instant rendering:  1.6.2. Microsoft IE 4 DOM (Dynamic HTML)
- interpreting tags:  5.7.1.1. IE text (Dynamic HTML)
- Mozilla support:  2.4.4. Dynamic Content (Dynamic HTML)
- popularity of:  5.7.2.1. IE HTML and elements (Dynamic HTML)
- script access:  5.7.2.2. W3C DOM document tree (Dynamic HTML)
- success of:  5.7.2.2. W3C DOM document tree (Dynamic HTML)
- text node manipulation:  5.7.1.2. W3C DOM text (Dynamic HTML)
 
- innerHTML property (heading node):  11.3.5.7. Changing document text (Webmaster in a Nutshell)
- innerText property:  9.5.3. Event Handlers (Dynamic HTML)
- 
  -  17.3.3. Modifying Documents (JavaScript)
- adding:  1.6.3. W3C DOM Architecture (Dynamic HTML)
- Anchor object:  14.8. Anchors (JavaScript)
- assigning strings:  1.6.2. Microsoft IE 4 DOM (Dynamic HTML)
- features:  5.7.2.1. IE HTML and elements (Dynamic HTML)
- HTMLElement object:  24. Client-Side JavaScript Reference (JavaScript)
- IE DOM element objects:  5.7.1.1. IE text (Dynamic HTML)
- rendering content literally:  5.7.1.1. IE text (Dynamic HTML)
 
- innerWidth property:  24. Client-Side JavaScript Reference (JavaScript),  window objects:   9.6. Alphabetical Object Reference (Dynamic HTML)
- InnoDB table type:  6.2.3.4. Other locking paradigms (Web Database Applications)
- inode values for files:  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- inodes:  19.1. Introduction (PHP Cookbook),  file information functions:   19.1. Introduction (PHP Cookbook)
- inproc server:  15.3.1. Background (Programming PHP)
- input
- 
  
  - form, validating:  1.6.3. Interact with HTML Forms (JavaScript)
- 
    -  15.4. Form Verification Example (JavaScript)
 
- prompt( ):  6.17. try/catch/finally (JavaScript)
 
- input elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- Input object:  24. Client-Side JavaScript Reference (JavaScript)
- Input object (JavaScript):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- input objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input property:  10.2. String Methods for Pattern Matching (JavaScript),  RegExp objects:   12.5. Core Objects (Dynamic HTML)
- input (type="button") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="checkbox") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="file") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="hidden") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="image") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="password") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="radio") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="reset") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="submit") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input (type="text") objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- input/output (I/O):  18.1. Introduction (PHP Cookbook)
- 
  
  - CLI binary, standard I/O streams:  20.1. Introduction (PHP Cookbook)
- flushing output to a file:  18.18.1. Problem (PHP Cookbook)
- flushing output to browser:  8.12.1. Problem (PHP Cookbook)
- passing input to a program:  18.22.1. Problem (PHP Cookbook)
- pipes:  18.1. Introduction (PHP Cookbook)
- reading data from files:  18.1. Introduction (PHP Cookbook)
- reading standard input:  18.5.1. Problem (PHP Cookbook)
- 
    -  20.4.1. Problem (PHP Cookbook)
 
- reading to/writing from compressed files:  18.26.1. Problem (PHP Cookbook)
- standard error, reading from a program:  18.24.1. Problem (PHP Cookbook)
- standard output from a program, reading:  18.23.1. Problem (PHP Cookbook)
- writing output to many filehandles simultaneously:  18.20.1. Problem (PHP Cookbook)
- writing to standard output:  18.19.1. Problem (PHP Cookbook)
 
- inRange( ) method, TextRange objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- ins elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- ins objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- INSERT command (SQL):  10.7.2. Solution (PHP Cookbook)
- 
  
  - finding number of rows returned by query:  10.9.2. Solution (PHP Cookbook)
- inserting unique IDs into database:  10.12.3. Discussion (PHP Cookbook)
- querying unique ID database:  10.13.1. Problem (PHP Cookbook)
 
- INSERT DELAYED feature:  6.2.2.2. The LOCK TABLES and UNLOCK TABLES statements in MySQL (Web Database Applications)
- INSERT INTO ... SELECT statement:  3.8.3. INSERTing with a SELECT Statement (Web Database Applications)
- INSERT INTO statement:  3.5.1. Inserting Data (Web Database Applications)
- insertAdjacentElement( ) method:  5.7.1.1. IE text (Dynamic HTML)
- 
  -  9.5.3. Event Handlers (Dynamic HTML)
 
- insertAdjacentHTML( ):  5.7.1.1. IE text (Dynamic HTML)
- 
  -  24. Client-Side JavaScript Reference (JavaScript)
 
- insertAdjacentHTML( ) method:  9.5.3. Event Handlers (Dynamic HTML)
- insertAdjacentHTML( ) method:  17.3.3. Modifying Documents (JavaScript)
- insertAdjacentText( ):  5.7.1.1. IE text (Dynamic HTML)
- 
  -  17.3.3. Modifying Documents (JavaScript)
-  24. Client-Side JavaScript Reference (JavaScript)
 
- insertAdjacentText( ) method:  5.7.1.1. IE text (Dynamic HTML)
- 
  -  5.7.1.1. IE text (Dynamic HTML)
-  9.5.3. Event Handlers (Dynamic HTML)
 
- insertBefore( ):  5.7.2.2. W3C DOM document tree (Dynamic HTML)
- 
  -  25. W3C DOM Reference (JavaScript)
 
- insertBefore( ) method:  5.7.1.2. W3C DOM text (Dynamic HTML)
- 
  -  9.5.3. Event Handlers (Dynamic HTML)
 
- insertBefore( ) method:  17.1.2. Nodes (JavaScript)
- 
  -  17.2.5. Working with Document Fragments (JavaScript)
 
- insertBefore( ) (Node object):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- InsertButton command:  D. Internet Explorer Commands (Dynamic HTML)
- insertCell( ):  25. W3C DOM Reference (JavaScript)
- insertCell( ) method, tr objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- insertData( ):  25. W3C DOM Reference (JavaScript)
- insertData( ) method
- 
  
  - comment, Comment objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- Text objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
 
- insertData( ) method:  17.2.3. Modifying a Document (JavaScript)
- insertData( ) (Text object):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- InsertFieldset command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertHorizontalRule command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertIFrame command:  D. Internet Explorer Commands (Dynamic HTML)
- inserting array elements:  5.5.5. Removing and Inserting Elements in an Array (Programming PHP)
- inserting new elements into arrays
- 
  
  - push( ):  9.2.7. push( ) and pop( ) (JavaScript)
- splice( ):  9.2.6. splice( ) (JavaScript)
- unshift( ):  9.2.8. unshift( ) and shift( ) (JavaScript)
 
- inserting text into strings:  4.7.1. Substrings (Programming PHP)
- inserting text (within Text node):  17.2.3. Modifying a Document (JavaScript)
- InsertInputButton command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputCheckbox command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputFileUpload command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputHidden command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputImage command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputPassword command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputRadio command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputReset command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputSubmit command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertInputText command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertMarquee command:  D. Internet Explorer Commands (Dynamic HTML)
- insertNode( ):  5.10.1. Browser Support (Dynamic HTML)
- 
  -  25. W3C DOM Reference (JavaScript)
 
- insertNode( ) method, Range objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- InsertOrderedList command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertParagraph command:  D. Internet Explorer Commands (Dynamic HTML)
- insertRow( ):  5.8. Dynamic Tables (Dynamic HTML)
- 
  
  - HTMLTableElement:  25. W3C DOM Reference (JavaScript)
- HTMLTableSectionElement:  25. W3C DOM Reference (JavaScript)
 
- insertRow( ) method
- 
  
  - table objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- tbody objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- tfoot objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- thead objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
 
- insertRule( )
- 
  
  - CSSMediaRule object:  25. W3C DOM Reference (JavaScript)
- CSSStyleSheet object:  18.5.4. Creating Style Sheets (JavaScript)
- 
    -  25. W3C DOM Reference (JavaScript)
 
 
- insertRule( ) method
- 
  
  - CSSRule objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- rule objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- styleSheet objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
 
- inserts:  6.1. Database Inserts, Updates, and Deletes (Web Database Applications)
- 
  - (see also database inserts)
 
- InsertSelectDropdown command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertSelectListbox command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertTextArea command:  D. Internet Explorer Commands (Dynamic HTML)
- InsertUnorderedList command:  D. Internet Explorer Commands (Dynamic HTML)
- install command (PEAR):  21.6.2. Solution (PHP Cookbook)
- installation guide for software used with this book:  A. Installation Guide (Web Database Applications)
- installing mod_perl:  15.1. Installing mod_perl (Webmaster in a Nutshell)
- installing PHP:  1.3. Installing PHP (Programming PHP)
- 
  
  - configuring Apache and PHP:  1.3. Installing PHP (Programming PHP)
- downloading source distribution:  1.3. Installing PHP (Programming PHP)
- on Windows:  15.1. Installing and Configuring PHP on Windows (Programming PHP),  automatic configuration with PHP installer:   15.1.2.2. Using the PHP installer to automatically configure PHP  (Programming PHP)
 
- instance properties, RegExp objects:  10.3.2. RegExp Instance Properties (JavaScript)
- instanceof operator:  12.6. Operators (Dynamic HTML)
- 
  -  5.5.3. The instanceof Operator (JavaScript)
 
- instances:  8.5. Object-Oriented JavaScript (JavaScript)
- 
  
  - methods:  8.5.2. Instance Methods (JavaScript)
- properties:  8.5.1. Instance Properties (JavaScript)
 
- instantiating objects:  7.2.2. Solution (PHP Cookbook)
- 
  
  - dynamically:  7.14.1. Problem (PHP Cookbook)
- instantiation, defined:  7.1. Introduction (PHP Cookbook)
- new keyword, using:  7.1. Introduction (PHP Cookbook)
 
- instructions, processing:  25. W3C DOM Reference (JavaScript)
- (int) casting operator:  2.4.11. Casting Operators (Programming PHP)
- int mssql_close( ):  4.4.1. Microsoft SQL Server (Web Database Applications)
- int mssql_num_fields( ):  4.4.1. Microsoft SQL Server (Web Database Applications)
- int mssql_select_db( ):  4.4.1. Microsoft SQL Server (Web Database Applications)
- int mysql_affected_rows( ):  6.1.3.1. PHP DML functions for database modifications (Web Database Applications)
- int mysql_change_user( ):  4.1.3.2. Other functions (Web Database Applications)
- int mysql_close( ):  4.1.2. Essential Functions for Accessing MySQL with PHP (Web Database Applications)
- int mysql_create_db( ):  4.1.3.2. Other functions (Web Database Applications)
- int mysql_data_seek( ):  4.1.3.1. Frequently used functions (Web Database Applications)
- int mysql_drop_db( ):  4.1.3.2. Other functions (Web Database Applications)
- int mysql_free_result( ):  4.1.3.1. Frequently used functions (Web Database Applications)
- int mysql_insert_id( ):  6.1.3.1. PHP DML functions for database modifications (Web Database Applications)
- int mysql_num_fields( ):  4.1.2. Essential Functions for Accessing MySQL with PHP (Web Database Applications)
- int mysql_num_rows( ):  4.1.3.1. Frequently used functions (Web Database Applications)
- int mysql_select_db ( ):  4.1.2. Essential Functions for Accessing MySQL with PHP (Web Database Applications)
- int OCIExecute( ):  4.4.3. Oracle 7 and 8 Through the OCI8 Interface (Web Database Applications)
- int OCIFetch( ):  4.4.3. Oracle 7 and 8 Through the OCI8 Interface (Web Database Applications)
- int OCILogoff( ):  4.4.3. Oracle 7 and 8 Through the OCI8 Interface (Web Database Applications)
- int OCINumCols( ):  4.4.3. Oracle 7 and 8 Through the OCI8 Interface (Web Database Applications)
- int odbc_close( ):  4.4.2. Open DataBase Connectivity (ODBC) (Web Database Applications)
- int odbc_fetch_row( ):  4.4.2. Open DataBase Connectivity (ODBC) (Web Database Applications)
- int odbc_num_fields( ):  4.4.2. Open DataBase Connectivity (ODBC) (Web Database Applications)
- int pg_close( ):  4.4.4. PostgreSQL (Web Database Applications)
- int pg_num_fields( ):  4.4.4. PostgreSQL (Web Database Applications)
- integer datatypes, PHP:  16.5.1. Integers (Webmaster in a Nutshell)
- integer literals:  3.1.1. Integer Literals (JavaScript)
- Integer type (Java),  in JavaScript:   22.5. LiveConnect Data Conversion (JavaScript)
- integers:  2.1. Introduction (PHP Cookbook)
- 
  -  2.2.1. Integers (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
-  2.1.3. Types (Web Database Applications)
-  2.9.4. Number Systems (Web Database Applications)
- (see also numbers)
- 0 (zero),  as empty variable:   5.1. Introduction (PHP Cookbook)
- in array indexes:  3.6. Arrays (JavaScript)
- 
    -  9.1.2. Reading and Writing Array Elements (JavaScript)
 
- bitwise operators, requiring as operands:  5.8. Bitwise Operators (JavaScript)
- converting floating-point numbers to:  2.1. Introduction (PHP Cookbook)
- converting to strings:  3.1.4. Working with Numbers (JavaScript)
- converting to/from strings:  7.2.1.1. Validating dates (Web Database Applications)
- extension functions returning:  14.8.1. Simple Types (Programming PHP)
- functions for:  2.9. Integer and Float Functions (Web Database Applications)
- incrementing for unique ID sequence:  10.12.1. Problem (PHP Cookbook)
- initializing an array to range:  4.4.1. Problem (PHP Cookbook)
- JavaScript and:  22.1. Scripting Java Applets (JavaScript)
- on left side of comparisons:  5.2.3. Discussion (PHP Cookbook)
- operating on a range of:  2.5.1. Problem (PHP Cookbook)
- padding for printf( ) output:  4.2.3.2. Type specifiers (Programming PHP)
- parsing, string to number conversion:  11.1.4. Converting Strings to Numbers (JavaScript)
- rounding:  2.9.3. Rounding (Web Database Applications)
- rounding floating-point numbers to:  2.4.2. Solution (PHP Cookbook)
- storing as longs:  14.6. The pval/zval Data Type (Programming PHP)
 
- interacting windows:  13.11.3. JavaScript in Interacting Windows (JavaScript)
- interacting with users:  1.6.4. Interact with the User (JavaScript)
- interactive applications (see CGI)
- interactive validation:  7.1. Validation and Error Reporting for Web Database Applications (Web Database Applications)
- InterBase databases, extension for:  B.1. Optional Extensions Listing (Programming PHP)
- Interbase DB backend:  10.8.3. Discussion (PHP Cookbook)
- interfaces, DOM:  17.1.2. Nodes (JavaScript)
- 
  -  17.1.3. The DOM HTML API (JavaScript)
- event:  19.2.5. Event Modules and Event Types (JavaScript)
- 
    
    - Event:  19.2.5. Event Modules and Event Types (JavaScript)
- 
      -  19.2.6.1. Event (JavaScript)
 
- MouseEvent:  19.2.5. Event Modules and Event Types (JavaScript)
- 
      -  19.2.6.3. MouseEvent (JavaScript)
 
- MutationEvent:  19.2.5. Event Modules and Event Types (JavaScript)
- 
      -  19.2.6.4. MutationEvent (JavaScript)
 
- UIEvent:  19.2.5. Event Modules and Event Types (JavaScript)
- 
      -  19.2.6.2. UIEvent (JavaScript)
 
 
- language-independent:  17.1.6. Language-Independent DOM Interfaces (JavaScript)
- NodeList:  17.2.3. Modifying a Document (JavaScript)
- Range:  17.5.2. The DOM Range API (JavaScript)
 
- interlacing GIF images:  10.4.1. Images (Programming PHP)
- internal branching:  2.6.4. Internal Branching (Dynamic HTML)
- 
  -  2.6.5. Designing for the Common Denominator (Dynamic HTML)
-  2.6.6. Custom APIs (Dynamic HTML)
 
- internal errors:  10.11.3. Discussion (PHP Cookbook)
- internal extension globals:  14.10.3. Internal Extension Globals (Programming PHP)
- internal_redirect( ) (Perl):  15.8. The Perl API (Webmaster in a Nutshell)
- internal_redirect_handler( ) (Perl):  15.8. The Perl API (Webmaster in a Nutshell)
- internalSubset property:  25. W3C DOM Reference (JavaScript),  DocumentType objects:   9.6. Alphabetical Object Reference (Dynamic HTML)
- International Standards Organization (ISO):  11.1. Versions of JavaScript (Webmaster in a Nutshell)
- internationalization:  16.1. Introduction (PHP Cookbook)
- 
  
  - ctype library, checking correctness for current locale:  B.1. Optional Extensions Listing (Programming PHP)
- default locale, setting:  16.4.1. Problem (PHP Cookbook)
- gettext extension:  B.1. Optional Extensions Listing (Programming PHP)
- in PDF file text:  10.3.5. Embedding Fonts (Programming PHP)
- information about current locale:  A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
- listing available locales:  16.2.1. Problem (PHP Cookbook)
- locale, using:  16.3.1. Problem (PHP Cookbook)
- localization resources, managing:  16.10.1. Problem (PHP Cookbook)
- localizing currency values:  16.7.1. Problem (PHP Cookbook)
- localizing dates and times:  16.6.1. Problem (PHP Cookbook)
- localizing images:  16.8.1. Problem (PHP Cookbook)
- localizing included files:  16.9.1. Problem (PHP Cookbook)
- localizing text messages:  16.5.1. Problem (PHP Cookbook)
- message catalogs, handling with gettext:  16.11.2. Solution (PHP Cookbook)
- POSIX-style regular expressions, working with:  4.9. POSIX-Style Regular Expressions (Programming PHP)
- reading or writing Unicode characters:  16.12.1. Problem (PHP Cookbook)
- setlocale( ) function:  A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
 
- internationalization, languages:  19.24. mod_mime (Webmaster in a Nutshell)
- Internet Explorer:  0. Preface (JavaScript)
- 
  
  - case sensitivity:  2.2. Case Sensitivity (JavaScript)
- client-side JavaScript features for browser versions:  1.3. Client-Side JavaScript (JavaScript)
- Document object properties:  24. Client-Side JavaScript Reference (JavaScript)
- elementFromPoint( ) method (Document):  24. Client-Side JavaScript Reference (JavaScript)
- 
    -  24. Client-Side JavaScript Reference (JavaScript)
 
- embedded data, displaying with ActiveX controls:  14.10. Embedded Data (JavaScript)
- event model:  19. Events and Event Handling (JavaScript)
- 
    -  19.3. The Internet Explorer Event Model (JavaScript)
- dragging document elements (example):  19.3.5. Example: Dragging with the IE Event Model (JavaScript)
- event bubbling:  19.3.3. Event Bubbling in IE (JavaScript)
- Event object:  19.3.1. The IE Event Object (JavaScript)
- registering event handlers:  19.3.4. IE Event-Handler Registration (JavaScript)
 
- Event object properties:  24. Client-Side JavaScript Reference (JavaScript)
- image properties:  14.6.4. Other Image Properties (JavaScript)
- Java objects, treating as ActiveX controls:  22. Using Java with JavaScript (JavaScript)
- Java, support of:  14.9. Applets (JavaScript)
- JScript interpreter, use of:  1.4. JavaScript in Other Contexts (JavaScript)
- JSObject class definition, finding:  22.2.2.1. Compiling applets that use the JSObject class (JavaScript)
- navigate( ) (Window):  24. Client-Side JavaScript Reference (JavaScript)
- navigate( ) method (Window):  24. Client-Side JavaScript Reference (JavaScript)
- Navigator object, support of:  13.6. The Navigator Object (JavaScript)
- nonstandard JavaScript in:  12.2.5. JavaScript in Nonstandard Contexts (JavaScript)
- scrollLeft and scrollTop properties (document.body):  19.2.6.3. MouseEvent (JavaScript)
- security zones:  21.4. Security Zones and Signed Scripts (JavaScript)
- VBScript embedded in:  1.3. Client-Side JavaScript (JavaScript)
- Version 6
- 
    
    - CSS position and size attributes:  18.2.2.1. Element size and position details (JavaScript)
- DOM standard, conformance to:  17.1.5. DOM Conformance (JavaScript)
 
- Window object properties:  24. Client-Side JavaScript Reference (JavaScript)
 
- Internet Explorer (IE)
- 
  
  - advanced selector support:  3.8. Advanced Subgroup Selectors (Dynamic HTML)
- caching issues:  5.4.3. Internet Explorer Caching Issues (Dynamic HTML)
- changing text:  5.7.1.1. IE text (Dynamic HTML)
- commands, list of:  D. Internet Explorer Commands (Dynamic HTML)
- cross-platform style differences:  3.10. Cross-Platform Style Differences (Dynamic HTML)
- CSS1 support:  1.5.1. CSS Rationale (Dynamic HTML)
- currentStyle property:  4.3.3.1. IE currentStyle property (Dynamic HTML)
- DHTML and:  1.1. The Standards Alphabet Soup (Dynamic HTML)
- DHTML version:  2.3. Internet Explorer DHTML (Dynamic HTML)
- DocumentFragment object:  5.7.2.2. W3C DOM document tree (Dynamic HTML)
- ECMAScript:  1.8. ECMAScript (Dynamic HTML)
- HTML 4 implementation:  1.3. HTML (Dynamic HTML)
- IE 4 DOM
- 
    
    - changing tag attribute values:  5.5. Changing Tag Attribute Values (Dynamic HTML)
- dynamic content:  2.3.4. Dynamic Content (Dynamic HTML)
- event objects:  6.2.1. Event Objects and Event Models (Dynamic HTML)
- overview:  1.6.2. Microsoft IE 4 DOM (Dynamic HTML)
- relationships and:  1.6.3. W3C DOM Architecture (Dynamic HTML)
 
- IE DHTML
- 
    
    - CSS:  2.3.2. Cascading Style Sheets (Dynamic HTML)
- downloaded fonts:  2.3.7. Downloadable Fonts (Dynamic HTML)
- dynamic content:  2.3.4. Dynamic Content (Dynamic HTML)
- dynamic page reflow:  2.2. Navigator 4 DHTML—Fading Fast (Dynamic HTML)
- element object references:  2.3.1. Element Object References (Dynamic HTML)
- 
      -  2.3.1. Element Object References (Dynamic HTML)
 
- Macintosh versions:  2.3.10. Macintosh Versions (Dynamic HTML)
- transitions and filters:  2.3.6. Transitions and Filters (Dynamic HTML)
- Windows-only features:  2.3.9. Additional Windows-Only Features (Dynamic HTML)
 
- iframe element support:  5.9.1. The iframe Element (Dynamic HTML)
- internal roadmaps:  1.6. Document Object Model (Dynamic HTML)
- JScript versions:  12.1. Internet Explorer JScript Versions (Dynamic HTML)
- measurement properties supported:  4.3.2. Positionable Element Properties (Dynamic HTML)
- positioning attributes:  4. Adding Dynamic Positioning to Documents (Dynamic HTML)
- proprietary style attributes:  5.6.1. The style Property (Dynamic HTML)
- scripted positioning:  1.5.2. Element Positioning and Layering (Dynamic HTML)
- scroll value support:  4.2.4. The overflow Attribute (Dynamic HTML)
- style object as property:  4.3. Changing Attribute Values via Scripting (Dynamic HTML)
- W3C DOM:  1.6.3. W3C DOM Architecture (Dynamic HTML)
 
- Internet Protocol (IP):  1.4. The HTTP Protocol (Webmaster in a Nutshell)
- Internet protocols
- 
  
  - different, server connections via:  B.1. Optional Extensions Listing (Programming PHP)
- TCP protocol for databases:  8.3.1. Data Source Names (Programming PHP)
 
- Internet Services
- 
  
  - LDAP
- 
    
    - user authentication with:  17.9.1. Problem (PHP Cookbook)
 
 
- interpolating variables
- 
  
  - functions and expressions within strings:  1.8.1. Problem (PHP Cookbook)
- HTML with interpolated variables, printing with heredocs:  1.1. Introduction (PHP Cookbook)
- into double-quoted strings:  17.4.3. Discussion (PHP Cookbook)
 
- interpolation, variable:  4.1.1. Variable Interpolation (Programming PHP)
- 
  
  - in double-quoted strings:  4.1.3. Double-Quoted Strings (Programming PHP)
- into array index:  5.2. Identifying Elements of an Array (Programming PHP)
- lookup of multidimensional array:  5.4. Multidimensional Arrays (Programming PHP)
 
- interpreter, running automatically:  20.1. Introduction (PHP Cookbook)
- interpreters, JavaScript
- 
  
  - ECMA-262 standard-compliant versions:  0. Preface (JavaScript)
- embedded in web browsers:  1.3. Client-Side JavaScript (JavaScript)
- in web servers:  1.4. JavaScript in Other Contexts (JavaScript)
 
- intersection of arrays:  4.24.1. Problem (PHP Cookbook),  array_intersection( ):   4.24.3. Discussion (PHP Cookbook)
- intersection of two sets:  5.10.1. Sets (Programming PHP)
- intersectsNode( ) method, Range objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- intervals:  13.4. Timeouts and Intervals (JavaScript)
- 
  
  - clearing:  24. Client-Side JavaScript Reference (JavaScript)
- setting:  24. Client-Side JavaScript Reference (JavaScript)
 
- introspection:  6.5. Introspection (Programming PHP)
- 
  
  - examining classes with display_classes( ):  6.5.1. Examining Classes (Programming PHP)
- sample program:  6.5.3. Sample Introspection Program (Programming PHP)
 
- intval( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- 
  -  7.2.1.1. Validating dates (Web Database Applications)
 
- inverse cosine:  23. Core JavaScript Reference (JavaScript)
- inverting all quantifiers from greedy to nongreedy with U modifier:  13.5.2. Solution (PHP Cookbook)
- 
  -  13.5.3. Discussion (PHP Cookbook)
 
- invoking functions:  3. Data Types and Values (JavaScript)
- 
  -  3.4. Functions (JavaScript)
-  7.1. Defining and Invoking Functions (JavaScript)
- ( ) (parentheses),  use of:   3.5. Objects (JavaScript)
- Array( ) constructor:  9.1.1. Creating Arrays (JavaScript)
- call( ) and apply( ) methods:  7.5.4. The apply( ) and call( ) Methods (JavaScript)
- with event handlers:  12.3.3. Event Handlers (JavaScript)
- event handler:  19.2.2. Event Handler Registration (JavaScript),  order of:   19.2.2. Event Handler Registration (JavaScript)
- JavaScript, from Java:  22.7. Java-to-JavaScript Data Conversion (JavaScript)
- as object methods:  23. Core JavaScript Reference (JavaScript)
- scheduling or canceling after set delay:  13.1. Window Overview (JavaScript)
 
- invoking methods:  8.3. Methods (JavaScript)
- IP addresses:  B.1.2.1. IP addresses (Web Database Applications)
- 
  
  - of domain name servers:  17.12.3. Discussion (PHP Cookbook)
- limits placed on:  9.2.3.1. Limits placed on IP addresses (Web Database Applications)
- looking up with DNS:  17.10.1. Problem (PHP Cookbook)
- session hijacking and:  9.4.2.4. Recording IP addresses to detect session hijack attempts (Web Database Applications)
 
- ip2long( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- iptcparse( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- IPv4 addresses, converting to standard format:  A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
- IRC gateway extension:  B.1. Optional Extensions Listing (Programming PHP)
- is_array( ):  4.5.3. Discussion (PHP Cookbook)
- 
  -  2.2.5. Arrays (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
-  2.5.4.1. Counting elements in arrays (Web Database Applications)
 
- is_array( ) (PHP):  16.5.7. Type Casting (Webmaster in a Nutshell)
- is_bool( ):  2.2.3. Discussion (PHP Cookbook)
- 
  -  2.2.4. Booleans (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_bool( ) (PHP):  16.5.7. Type Casting (Webmaster in a Nutshell)
- isChar property, event objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- isCollapsed property, selection objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- isContentEditable property:  9.5.3. Event Handlers (Dynamic HTML)
- is_dir( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- isDisabled property:  9.5.3. Event Handlers (Dynamic HTML)
- is_double( ):  2.2.3. Discussion (PHP Cookbook)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- isEqual( ) method, TextRange objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- isError( ) (DB):  10.11.2. Solution (PHP Cookbook)
- is_executable( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- is_file( ):  19.8.3. Discussion (PHP Cookbook)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- isFinite( ):  3.1.5. Special Numeric Values (JavaScript)
- 
  -  23. Core JavaScript Reference (JavaScript)
- Global objects:  12.5. Core Objects (Dynamic HTML)
 
- isFinite( ) (Global object):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- is_float( ):  2.2.3. Discussion (PHP Cookbook)
- 
  -  2.2.2. Floating-Point Numbers (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_float( ) (PHP):  16.5.7. Type Casting (Webmaster in a Nutshell)
- isindex( ) (CGI.pm):  14. The CGI.pm Module (Webmaster in a Nutshell)
- isindex elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- isindex objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- is_initial_req( ) (Perl):  15.8. The Perl API (Webmaster in a Nutshell)
- is_int( ):  2.2.3. Discussion (PHP Cookbook)
- 
  -  2.2.1. Integers (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_integer( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- is_link( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- is_long( ):  2.2.3. Discussion (PHP Cookbook)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_long( ) (PHP):  16.5.7. Type Casting (Webmaster in a Nutshell)
- is_main( ) (Perl):  15.8. The Perl API (Webmaster in a Nutshell)
- ismap attribute
- 
  
  - img elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
- input elements:  8.3. Alphabetical Tag Reference (Dynamic HTML)
 
- ismap attribute, <img>:  3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
- isMap property, img objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- isMultiLine property:  9.5.3. Event Handlers (Dynamic HTML)
- isNaN( ):  3.1.5. Special Numeric Values (JavaScript)
- 
  -  5.4.1. Equality (==) and Identity (===) (JavaScript)
-  23. Core JavaScript Reference (JavaScript)
- Global objects:  12.5. Core Objects (Dynamic HTML)
 
- isNaN( ) (Global object):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- is_null( ):  2.2.8. NULL (Programming PHP)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_numeric( ):  2.2.2. Solution (PHP Cookbook)
- 
  -  2.2.4. See Also (PHP Cookbook)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- ISO-16262 (see JavaScript)
- ISO-8859-1 character encoding:  11.3.6.1. Character encoding (Programming PHP)
- ISO (International Standards Organization):  11.1. Versions of JavaScript (Webmaster in a Nutshell)
- ISO Latin-1 character encoding:  2.1. Character Set (JavaScript)
- is_object( ):  2.2.6. Objects (Programming PHP)
- 
  -  6.5.2. Examining an Object (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_object( ) (PHP):  16.5.7. Type Casting (Webmaster in a Nutshell)
- isOpen property, popup objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- isPointInRange( ) method, Range objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- isPrototypeOf( ):  23. Core JavaScript Reference (JavaScript)
- 
  -  23. Core JavaScript Reference (JavaScript)
- Object objects:  12.5. Core Objects (Dynamic HTML)
 
- isPrototypeOf( ) method:  8.7.7. The isPrototypeOf( ) Method (JavaScript)
- isPrototypeOf( ) (Object object):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- is_readable( ):  18.6.3. Discussion (PHP Cookbook)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_real( ):  2.2.3. Discussion (PHP Cookbook)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_resource( ):  2.2.7. Resources (Programming PHP)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_scalar( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- isset( ):  4.11.2. Solution (PHP Cookbook)
- 
  -  5.1. Introduction (PHP Cookbook)
-  6.5.3. Discussion (PHP Cookbook)
-  2.3.4. Garbage Collection (Programming PHP)
-  5.5.4. Checking Whether an Element Exists (Programming PHP)
-  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
-  2.1.7.2. Testing, setting, and unsetting variables (Web Database Applications)
-  2.5.4.1. Counting elements in arrays (Web Database Applications)
- assigning default values to variables:  5.3.2. Solution (PHP Cookbook)
- debugging and:  2.12.2.2. Missing output (Web Database Applications)
 
- is_string( ):  2.2.3. Strings (Programming PHP)
- 
  -  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
 
- is_string( ) (PHP):  16.5.7. Type Casting (Webmaster in a Nutshell)
- is_subclass_of( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- isSupported( ):  25. W3C DOM Reference (JavaScript)
- isSupported( ) method:  9.5.3. Event Handlers (Dynamic HTML)
- isSupported( ) (Node object):  11.4. JavaScript API Reference (Webmaster in a Nutshell)
- isTextEdit property:  9.5.3. Event Handlers (Dynamic HTML)
- is_uploaded_file( ):  9.7.3. Discussion (PHP Cookbook)
- 
  -  12.3.3. Surviving register_globals (Programming PHP)
-  6.1.2. Uploading and Inserting Files into Databases (Web Database Applications)
 
- is_virtual( ) (Perl):  15.8. The Perl API (Webmaster in a Nutshell)
- is_writable( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- is_writeable( ):  A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
- Italic command:  D. Internet Explorer Commands (Dynamic HTML)
- italics( ),  String objects:   12.5. Core Objects (Dynamic HTML)
- item( )
- 
  
  - CSSRuleList object:  25. W3C DOM Reference (JavaScript)
- CSSStyleDeclaration object:  25. W3C DOM Reference (JavaScript)
- CSSValueList:  25. W3C DOM Reference (JavaScript)
- Enumerator objects:  12.5. Core Objects (Dynamic HTML)
- HTMLCollection object:  25. W3C DOM Reference (JavaScript)
- MediaList object:  25. W3C DOM Reference (JavaScript)
- NamedNodeMap object:  25. W3C DOM Reference (JavaScript)
- NodeList object:  25. W3C DOM Reference (JavaScript)
- StyleSheetList object:  25. W3C DOM Reference (JavaScript)
 
- item( ) method
- 
  
  - 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)
- 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)
- CSSRuleList objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- cssRules objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- CSSStyleDeclaration objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- filters 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)
- history objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- HTMLCollection objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- images objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- imports objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- 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)
- 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 objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- style objects:  9.6. Alphabetical Object Reference (Dynamic HTML)
- 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)
 
- iterations:  6.6. while (JavaScript)
- 
  
  - through arrays:  4.5.1. Problem (PHP Cookbook)
- 
    
    - each( ),  using:   6.9.3. Discussion (PHP Cookbook)
- starting at end:  18.10.3. Discussion (PHP Cookbook)
 
- through file, line-by-line:  18.9.3. Discussion (PHP Cookbook)
- through files in a directory:  19.8.1. Problem (PHP Cookbook)
- function, mean execution time for each:  8.26.3. Discussion (PHP Cookbook)
 
- iterator functions, building table with:  5.7.2. The Iterator Functions (Programming PHP)
- iterators:  5.7.2. The Iterator Functions (Programming PHP)
- iterators (NodeIterator):  25. W3C DOM Reference (JavaScript)
- IV (see initialization vector)
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