Index

P

p object, HTMLParagraphElement, 852

<p>, 852

P3P (Platform for Privacy Preferences), 588–589

Packages object, proprietary browser objects, 852–853

page object, proprietary document objects, 853

param object, HTMLParamElement, 853–854

<param>, 559, 574, 853–854

parameter passing, 112–113, 125–127

parameters, of functions, 63

parenthesis "( )" operator, 94, 204

parse( ) method, Date object, 177–178

parseInt( ) method, type conversion, 64

parsers, XML, 608

passing function arguments, 63

Password object, HTMLInputElement, 854

patterns, regular expressions, 42, 194

persistent cookies, 522

pipe (|), 202

plainText object, deprecated, 854

<plaintext>, 854

Platform for Privacy Preferences (P3P), 588–589

platform independence, 558

Plugin object, proprietary browser objects, 568, 854–855

plug-ins

browser detection, 543–544

detecting specific, 568–570

embedding content for, 564–565

interacting with, 571–574

MIME types, 565–568

overview of, 564

refreshing plugins[ ] collection, 570–571

plugins[ ] collection

browser detection and, 543

Document object, 396

Navigator object, 568

refreshing, 570–571

policies, security

IE security zones, 686–690

Mozilla, 685–686

overview of, 679

same-origin. see same-origin policy

polymorphism, in OOP, 157

pop( ) method, Array object, 165–166, 172–173

pop-up killers, 352

popup object, proprietary browser objects, 855

pop-up windows

IE extensions, 381–383, 670–671

one-time pop-ups, 528

positional indicators, regular expressions, 194–195

positioned regions

CSS, 477–478

DOM, 479–480

IE, 479–480

Netscape 4, 478–479

transitions and, 496–499

POST method, XMLHTTP, 600

post-increment operator, 86

pre object, HTMLPreElement, 856

pre/postfix, arithmetic operators, 739

<pre>, 854, 856

pre-increment operator, 86

preventDefault( ) method, DOM2, 340

primitive data types. See data types, primitive

print( ) method, Window object, 551

programming

best practices for use of functions, 128–131

deceptive programming tactics, 692

programming languages

characteristics of, 24–25

object-based, 33

relationship of JavaScript to, 19–20

terminology, 24

weak typing, strong typing, and untyped, 48–49

programming practices, JavaScript, 695–726

code protection, 724–726

coding speed, 724

coding style, 723–724

debugging. see debugging

defensive programming. see defensive programming

error messages, turning on, 698–699

list of common errors and symptoms, 701–702

runtime errors, 696–698, 700

semantic errors, 697–698

syntax errors, 695–696, 698, 700

prompt( ) method, Window object, 40, 350–351

properties

class properties, 155–156

common to all objects, 145–146

Document object, 385–388

DOM, 374–375, 398–399

instance, 136–137, 208–209

lowest common denominator for Document object, 225

mapping CSS to DOM, 277–279

object properties, 59, 136–137

overriding object properties, 156

same-origin policy and, 682

static, 209–211

prototype chain, 156

prototype property, 153–155

prototype-based object-oriented languages, 151, 558

prototype-based objects, 151–152

prototypes, extending Array objects, 172–173

pseudo-URLs, 17–19

pull-down menus, 506–510

forms, 437–442

improvements to, 508–510

overview of, 506–507

<select> tag and, 437–439, 506

push( ) method, Array object, 165–166, 172–173