Index

O

obfuscators, code protection, 725–726

object literals, 148–149, 738

object models, 753–760

components, 233–236

cross-browser support, 247

Document object. see Document object

event handlers, 232–233

history in JavaScript, 222

IE 3, 756–757

IE 4+, 758–759

IE 5.5+, 758–759

IE document properties, 240–247

initial, 223–224

Mozilla document properties, 240

Netscape 3, 755–756

Netscape 5, 757–758

Netscape 6, 759–760

Netscape document properties, 236–240

overview of, 221–223

traditional (Netscape 2 and IE 3), 755

types of objects in, 753

object operators, 92–94

object properties, 136–142

accessing with array syntax, 137

enumerating, 138–141

list of common, 145–146

methods, 138

overview of, 136–137

with statements and, 141–142

object signing, 683. See also signed scripts

Object, built-in objects, 848–849

object, HTMLObjectElement, 849–850

ActiveX, 574, 578

compared with <applet>, 562

correspondence to object, HTMLObjectElement, 849

cross browser inclusion of embedded objects, 575

embedded objects, 564–565

interacting with ActiveX controls, 576

Java applets and, 558–559

object-oriented programming. See OOP (object-oriented programming)

object-related collections, 396–397

object-related statement, 108–109

objects, 133–158

as associative arrays, 149–150

browser. see browser objects

built-in. see built-in objects

class properties, 155–156

comparing, 144–145

composite data type and, 735

constructors, 152–153

creating, 61–62, 135, 735

document. see document objects

dynamic types, 155

ECMAScript built-in, 736

embedded. see embedded objects

functions as, 121–122

garbage collection, 135–136

inheritance via prototype chain, 156

instance properties, 735

object literals, 148–149

object-oriented programming, 150–151

overriding properties, 156

overview of, 32–33, 60–61

passing to functions, 143–144

prototype-based, 151–152

prototypes for, 153–154

as reference types, 142–143

syntax, 735

this statement and, 736

types of, 133–134

user-defined, 147–148

octal literals, 50

ol object, HTMLOListElement, 850–851

<ol>, 850

onblur event handlers, 426

onchange event handlers, 452–453, 507

oncontextmenu event handler, 521

onerror handler, 710–712

one-time pop-ups, cookies, 528

onfocus event handlers, 426

onkeypress events, 430

OOP (object-oriented programming)

class-based vs. prototype based, 151

languages, 33

overview of, 150–151

principles, 157

Open Web Application Security Project (OWASP), 694

open( ) method

Document object, 389–391

feature parameter, 354–356

pop-up windows, 670

Window object, 351–352

opener property, Window object, 361

Opera

cross-browser support, 247

DOM document trees and, 261

language detection, 548

plugin detection, 543

simulating browser activities, 551

support for innerHTML property, 291

operator precedence, 35–36, 94–96, 743–744

operators, 33–36

arithmetic. see arithmetic operators

assignment, 78–79

bitwise. see bitwise operators

comma, 90–91

comparison. see comparison operators

definition of, 24

increment/decrement, 85–86

JavaScript support, 78

logical. see logical operators

object, 92–94

precedence, 35–36, 94–96, 743–744

relational. see relational operators

string, 35

syntax, 739

typeof, 92

void, 91–92

optGroup object, HTMLOptGroupElement, 851

<optgroup>, 441–442, 851

Option element, 439

Option groups, 442

option object, HTMLOptionElement, 851–852

<option>, 508, 851

OR (|), bitwise operators, 82

outerHTML property, 292–293

outertext property, 292–293

output sanitization, 694

overriding properties, 156

OWASP (Open Web Application Security Project), 694