O

Index

[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z]

<object> tag
Object class 2nd 3rd
     constructor property
     hasOwnProperty( ) method 2nd
     isPrototypeOf( ) method
     methods
     propertyIsEnumerable( ) method
     toLocaleString( ) method
     toString( ) method
     user-defined objects
     valueOf( ) method
object context, using strings in
object literals 2nd 3rd
Object( ) function 2nd
object-creation operator (new)
object-oriented programming
     inheritance
     methods
objects 2nd 3rd 4th
     access operator
     array-like
     arrays
     arrays vs.
     as associative arrays 2nd
     as reference types
     call objects 2nd
     client-side, properties referring to other objects
     comparing by reference
     comparing for identity
     conversions to other types 2nd
     converting to primitives 2nd 3rd
     converting to strings
     copying, passing, and comparing by reference
     creating 2nd
         with constructor function and new operator
     defined
     delete operator and
     determining type
    DOM
         behaving as JavaScript arrays
         factory methods for creating
     error
     functions as 2nd
     functions for
     global
     handler functions, order of invoking
     hierarchy, client-side
     HTML document content
     HTML, event handlers defined as attributes
     instance properties
    Java
         accessing fields and methods in JavaScript
         JavaObject class 2nd
         passed to JavaScript script or function
         stored in Bindings object and converted to JavaScript
    JavaScript
         conversion to Java
         corresponding to HTML elements
     manipulation by reference
     methods 2nd
         common
     properties 2nd
         checking existence of
         creating
         deleting
         enumerating 2nd
         variables as properties
     prototype 2nd 3rd
     registering as event handlers
     storage
     strings vs.
     wrapper
octal literals
octal numbers, Latin-1 character escape sequences
offscreen images, caching and
offsetLeft and offsetTop properties 2nd
offsetParent property
offsetWidth and offsetHeight properties
offsetX, offsetY properties (IE Event object)
onabort event handler
onblur event handler
     form elements
     window losing keyboard focus
onblur property (Input)
onchange event handler 2nd
     form elements
         file
         radio and checkbox
         Select
         text fields
     Select object
onchange property (Input)
onclick attribute
onclick event handler 2nd 3rd
     defining
         for every link in a document (example)
     form elements
         radio and checkbox
     JavaScript URL as substitute for
     links and buttons
onclick method
     Link object
     Submit object
onclick property
     HTMLElement object
     Input object
     Link object 2nd
onerror event handler 2nd
onfocus event handler
     form elements
onfocus property (Input)
onkeydown event handler 2nd
onkeypress event handler 2nd
onkeyup event handler 2nd
onload event
onload event handler 2nd 3rd 4th
     Image object
     triggering document modifications
     Window object
onlosecapture event
onmousedown attribute
onmousedown event handler
onmouseout event handler
     image rollover effect, creating
onmouseout property (Link)
onmouseover event handler 2nd
     image rollover effect, creating
     returning true to prevent display of link URL in status line
onmouseover property (Link)
onmouseup event handler
onreadystatechange event handler 2nd 3rd
onreset event handler 2nd
onresize event handler, Window object
onsubmit attribute
onsubmit event handler 2nd 3rd
     returning false value
onsubmit method (Form)
onsubmit property (Form) 2nd
onunload event handler
     Window object
opacity attribute
open source JavaScript interpreters 2nd
open( ) method
     Document object
         use by listanchors( ) function
         using with write( )
     HTTP requests
     Window object 2nd 3rd 4th 5th
         specifying undefined return value
         stacking order of windows
     XMLHttpRequest object
opener property (Window) 2nd
Opera web browser
     modern browser versions
     operating systems
operands
operating systems, web browsers
operators 2nd 3rd
     arithmetic 2nd
     array and object access
     assignment
     associativity
     bitwise
     comma (,) 2nd
     conditional
     datatypes of operands
     delete 2nd
     equality and identity
     function call
     increment and decrement
     logical
     new
     operands
     precedence
     relational
         comparison operators
         in operator
         instanceof
     string
     summary of JavaScript operators
     typeof
     void
<optgroup> tag
<option> tag 2nd
Option object 2nd 3rd
     properties
Option( ) constructor
options[ ] property
     Select object 2nd 3rd
         null values in
order of operations
origin of a document
original event model 2nd
     event handlers and the this keyword
     event handlers as attributes
     event handlers as properties
     event type
     event-handler return values
     events and event types
     mixing with standard
     scope of event handlers
outerHeight, outerWidth properties (Window)
outerHTML property
outerText property
overflow attribute
overloaded methods, Java classes
overriding methods
ownerDocument property