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R

\r (carriage return)
Perl (UNIX, Windows, Macintosh)
Multipart Forms
R command (debugger) : Debugger Commands
-R file test operator : Named Unary and File Test Operators
-r file test operator : Named Unary and File Test Operators
radio buttons
Radio Buttons and Checkboxes
Radio Buttons
Backward radio and checkbox arrays
<input type=radio>
Radio buttons
Radio Object
multiple-choice questions : Quiz/Test Form Application
Radio element
Radio.defaultChecked
Radio Object
Form Elements
Form Element Names and Values
Naming Forms and Form Elements
Radio
Radio.blur()
Radio.checked
Radio.click()
Radio.focus()
Radio.form
Radio.name
Radio.onblur()
Radio.onclick()
Radio.onfocus()
Radio.type
Radio.value
rand function : rand
random( )
Math Object
Core Language Changes
Math.random()
random
hypertext links
Random Links
A random URL generator
The Link Object
numbers
rand
srand
range (..) operator
Range Operator
Awk Traps
Range header : Range
RDB : Utilities and Applications
RDBMS (see relational databases)
$rdev file statistic : stat
read function : read
read-only objects : The assign() Method
readdir function
readdir
DirHandle--Supply Object Methods fo...
Time Efficiency
reading
array elements : Reading and Writing Array Elements
client state : Read and Write Client State with Cookies
cookies : Reading Cookies
data via low-level system call : sysread
files
Examples
What JavaScript Can't Do
input (awk) : Awk Traps
object properties : Reading and Writing Object Properties
permissions for processes : IPC::Open2--Open a Process for Both...
shared memory segment ID : shmread
Readline module : Readline Support
readlink function : readlink
ReadlKey module : Readline Support
ready file descriptors : select (ready file descriptors)
real gid (see $( variable)
real uid (see $< variable)
real values, testing for with defined : defined
$REAL_GROUP_ID (see $( variable)
$REAL_USER_ID (see $<)
records (see $/ variable)
input, separator for (see $/ variable)
output, separator for (see $\ variable)
variable-length : Formats
of various data structures : More Elaborate Records
rectangular image map area : The coords attribute
recursive
open functions : open
use of subroutines : Subroutines
recv function : recv
Redirect header : Combining Refresh with Other HTTP H...
redirection (see server redirection)
redirection HTTP status codes
Redirection
Client Request Incomplete
redo operator
Loop control
redo
redundant HTML tags : Ignored or Redundant Tags
ref function
ref
Other Tricks You Can Do with Hard R...
references
Primitive Types and Reference Types
The src attribute
Embedded Versus Referenced Content
What Is a Reference?
checking for : ref
circular, and memory : A Note on Garbage Collection
comparing by : Equality (==)
counting
Core Language Features
Reference Counting in Navigator 3.0
dangling
Dangling references
Workarounds for Navigator 2.0
to filehandles : Filehandle Referencers
inline
Inline References
multidimensional arrays and : A Brief Tutorial: Manipulating List...
to objects : Using Object Methods
objects as : An Object Is Simply a Referenced Thingy
passing : Passing References
use strict 'refs' : strict--Restrict Unsafe Constructs
Referer header : Referer
referral servers : Where Did You Come From?
referrer property
Document Properties
Document.referrer
Properties
Refresh header
CGI and Response Headers
Client Pull
Uniquely Refreshing
Cycling among documents
refresh( )
Miscellaneous Changes
Navigator.plugins.refresh()
refreshing browsers : Client Pull
regenerated documents : Event handlers in regenerated documents
regexes, regexps (see regular expressions)
regsub function : Tcl
regular expressions
Regular Expressions
Regular Expressions
Core Language Features
Regular Expressions
Summary of Regular Expressions
Perl (UNIX, Windows, Macintosh)
backreferences : Backreferences
character classes : Regular Expressions
extension syntax for : Regular expression extensions
matching precedence : The rules of regular expression matching
special variables for : Regular Expression Special Variables
rel attribute
<a>
Attributes
The rel and rev attributes
<link>
Attributes
Internet Explorer HTML Exclusives
The rel and rev attributes
relational databases
Relational Databases
Accessing a Sybase Database
relational operators
Relational Operators
(see also comparison operators)
relationships
between HTML documents
Establishing Document Relationships
How browsers might use <link...
between hyperlinks : The rel and rev attributes
relative
font size
The size attribute
frame sizes : The rows and cols attributes
URLs
URLs
Absolute and Relative URLs
Using relative URLs
Uniform Resource Locators (URLs)
reload( )
Methods
The Location Object
The Location Object
Location.reload()
remainder (%) operator : Modulo (%)
REMOTE_ADDR environment variable
CGI Environment Variables
How can I tell what user/host/brows...
Using Environment Variables
Restricting Access for Specified Domains
REMOTE_HOST environment variable
CGI Environment Variables
How can I tell what user/host/brows...
Perl (UNIX, Windows, Macintosh)
Using Environment Variables
Restricting Access for Specified Domains
C/C++ decoding using libcgi
REMOTE_IDENT environment variable
CGI Environment Variables
How can I tell what user/host/brows...
Using Environment Variables
REMOTE_USER environment variable
CGI Environment Variables
How can I tell what user/host/brows...
Using Environment Variables
User Authentication and Identification
removeMember( ) : JSObject.removeMember()
removing (see deleting)
rename function : rename
repetition (x) operator
String Operators
Multiplicative Operators
replace functions, Perl : Search and Replace Functions
replace( )
Methods
The Location Object
The Location Object
Location.replace()
replacement, image (see images and graphics)
replacing array elements : splice
Reply-To header : I want the user to fill in a form a...
Request object : Server-Side JavaScript
Request.pm module : Request.pm
REQUEST_METHOD environment variable
CGI Environment Variables
Using Environment Variables
The GET and POST Methods
require command : Socket Library
require function : Modules
require operator
Global Declarations
Global Special Arrays
require
REs (see regular expressions)
reserve( ) : Array Methods
reserved characters (see special characters)
reserved words
Variables
Reserved Words
special numeric constants : Special Numeric Values
reset( )
Methods
Forms and Form Elements
The Form Object
Form.reset()
reset
reset buttons (Reset elements)
<input type=reset>
Reset buttons
Reset Object
The Form Object
Submit and Reset Buttons
Reset buttons
Reset Object
Form Elements
Reset
Reset.blur()
Reset.click()
Reset.focus()
Reset.form
Reset.name
Reset.onblur()
Reset.onclick()
Reset.onfocus()
Reset.type
Reset.value
resizing documents : Content disappears upon resize
resizing images : Resizing and flood-filling images
resolution, image : Other Image Properties
resources
Official Netscape Documentation
Recommended Books
<response> tag : Quiz/Test Form Application
response codes, HTTP : Server Response Codes
Response.pm module : Response.pm
restoring filehandles : SelectSaver--Save and Restore Selec...
Retry-After header : Retry-After
return statement
return
Defining and Invoking Functions
return
return value subroutine : Subroutines
reusing code
Thinking of Code Reuse
Programming with Style
rev attribute
<a>
The rel and rev attributes
Attributes
<link> tag : Attributes
reverse function : reverse
reverse( )
Methods
Array.reverse()
rewind( ) : LiveVideo
rewinddir function
rewinddir
DirHandle--Supply Object Methods fo...
right alignment (see align attribute)
right angle bracket (see >)
right justification : Format Variables
right-shift (>>) operator : Shift Operators
rightmargin attribute, <body> : Internet Explorer HTML Exclusives
rindex function : rindex
RLENGTH variable (awk) : a2p
rmdir function : rmdir
rmtree( ) : File::Path--Create or Remove a Seri...
root directory, redefining : chroot
round( )
Math Object
Math.round()
rounding numbers : Math Object
routines (see subroutines)
rows
in frames : Frame Layout
table
The <tr> Tag
Cell Spanning
(see also tables)
(see also record)
rows attribute
<frameset>
Attributes
Frame Layout
The rows and cols attributes
<textarea>
Attributes
The rows and cols attributes
rowspan attribute (<td> and <th>)
The rowspan attribute
Attributes
Cell Spanning
$RS (see $/ variable)
RSTART variable (awk) : a2p
rules (see horizontal rules)
rules attribute (<table>)
Attributes
Internet Explorer Tables
Internet Explorer HTML Exclusives
running (see executing)
runtests( ) : Test::Harness--Run Perl Standard Te...


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