JavaScript Editor

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Index

A

abbr object, HTMLElement, 771

<abbr>, 771

abstraction

form validation and, 446–449

in OOP, 157

acronym object, HTMLElement, 771

<acronym>, 772

ActiveX, 574–578

FileSystemObject, 656–657

IE security zones and, 689–690

including ActiveX controls,

interacting with ActiveX controls, 576–578

overview of, 574

ActiveXObject, 655–657, 772

addEventListener( ) method, 331

addition (+) operator, 79, 80–81

address object, HTMLElement, 772–773

<address>, 772–773

aggressive matching, regular expressions, 216–217

alert( ) method

debugging and, 703

methods common to all objects, 145–146

Window object, 40, 348

all( ) method, Document object, 360, 362

all[ ] collection

DHTML and, 397–398

Document object, 293–294

IE positioned regions, 479–480

alternation separator, in regular expressions, 202–203

anchors, 769–771

anchors[ ] collection, 391–392

AND (&), bitwise operators, 82

animation, DHTML, 500–504

anonymous functions, 124

appendChild( ) method, DOM node

creation, 265

applet object, HTMLElement, 560, 773–774

<applet>

compared with <object>, 562

correspondence to applet, HTMLElement, 773

Document object and, 396

including Java applets in JavaScript, 558–559

mayscript attribute, 563–564

applets. See Java applets

applets[ ] collection, 396, 560, 773

application-like menus, DHTML, 510–513

appName property, Navigator object, 536

appVersion property, Navigator object, 536

area object, HTMLAreaElement, 774

<area>, 774

areas[ ] array, 774

arguments

checking, 130

Date( ) constructor, 174

functions, 63

arithmetic operators, 79–81

binary and self-assignment, 739

list of, 79

overview of, 33–34

pre/postfix, 739

string concatenation and, 80–81

syntax reference, 739–740

unary, 81, 740

arity property, functions, 126

array literals, 737–738

Array object, 159–173

accessing elements, 160

adding/changing elements, 161–162

concat( ) method, 167–168

constructors, 775

creating new, 93

declaring, 159–160

extending with prototypes, 172–173

join( ) method, 168

length property, 162–165

methods, 776

multidimensional, 172

properties, 775

removing elements, 162

reverse( ) method, 168

slice( ) method, 169

sort( ) method, 170–171

splice( ) method, 169

as stacks and queues, 165–166

toSource( ) method, 170

toString( ) method, 169–170

Array( ) constructor, 159

array([ ]) operator, 137

arrays, 31–32, 62

arrays, associative

accessing Document objects with, 232

cookies in, 525

objects as, 149–150

assignment operator (=)

assigning value to variables, 78–79

shorthand assignment, 84–85

use in statements, 27

associative arrays

accessing Document objects with, 232

cookies in, 525

objects as, 149–150

associativity, operator precedence, 94–96, 743–744

attachEvent( ) method, 322

attributes. See also properties

basic event handler attributes in (X)HTML, 300–301

binding event handler attributes with JavaScript, 310–311

manipulating DOM, 271–272

Authenticode, 683. See also signed scripts

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