Index

S

Safari, 247

same-origin check, 680–681

same-origin policy, 680–683

embedded documents and, 681

exceptions to, 682

external scripts and, 681–682

overview of, 683

problems with, 682–683

same-origin check, 680–681

samp object, document objects, 862

<samp>, 862

saveHistory behavior, DHTML, 532

schemas, valid XML, 607–608

scope, event model, 311–312

scope, variable, 70–73

scr attribute, 15–16

Screen object, 544–548

screen object, browser objects, 862–863

script object, HTMLScriptElement, 862–863

<script>, 7–11

code hiding and, 720–723

correspondence to script object, 863

dynamic content and, 589

including JavaScript within HTML or XHTML, 7–8

JavaScript version detection, 541–542

locating in <head> tag, 8–9

script hiding, 9–11

use with browsers, 4

scripting languages, 23. See also programming languages

scripts

cross-site scripting, 592

defining all functions for, 128

error categories, 695

execution order, 25

hiding, 9–11

Internet Explorer XML data islands, 630–632

JScript script control, 671

JScript script host, 671

manipulating filters and transitions, 654–655

server-side, 582

signed for security, 683–684

scrollBy( ) method, Window object, 364

scrolling windows, Window object, 364–366

scrollTo( ) method, Window object, 364

search( ) method, String object, 185, 212

security, 679–694

ActiveXObject, 655–656

browser issues, 690–692

cookies, 527

cross-site scripting, 692–694

JavaScript models, 679–680

JavaScript-driven applets, 563

Mozilla policies, 685–686

same-origin policy, 680–683

signed scripts, 683–684

templates, 687–688

XMLHTTP, 600

security zones, IE, 686–690

ActiveX controls, 689–690

categorizing sites into, 687

list of, 686

properties, 688–689

security templates for, 687–688

select menus, 437–442

select object, HTMLSelectElement, 864–865

<select>, 437–439, 506, 864

selection object, proprietary browser objects, 865–866

self-assignment operators, arithmetic, 739

self-assignment operators, bitwise, 740

semantic errors, 697–698

semicolons

placement in for loops, 105

statements and, 27–28

termination with, 76–77

sendURL( ), 585

servers, 581. See also remote JavaScript

server-side computation, 592–594

server-side scripts

cross-site scripting and, 592

implementing RPC with, 590

overview of, 582

spelling correction feature and, 592–594

session cookies, 522

set methods, Date object, 176

setInterval( ) method

DHTML transitions, 498

static menus and, 518

Window object, 369

setTimeout( ) method, Window object, 368, 587

shift( ) method, arrays, 166

shorthand assignment, 84–85

show( ) method, pop-up windows, 670

showModalDialog( ) method, 381

signed scripts, 683–684

signing tools, 684

single-line comments, 43

site navigation, 505. See also cookies; pull-down menus

slice( ) method, Array object, 169

slice( ) method, String object, 185

slide-in menus, DHTML, 515–518

small object, HTMLElement, 865–866

<small>, 866

sort( ) method, Array object, 170–171

span object, HTMLElement, 866–867

<span>, 866

special characters, 54, 194–195

special values, 51–52

spelling correction feature, 592–594

splice( ) method, Array object, 169

split( ) method, String object, 186, 212

square brackets ([ ]), 93, 198

src attribute, <embed>, 564

stack traces, 704–706

stacks, Array object as, 165–166

stand-alone functions, 130

standards

DOM, 134, 236, 489

ECMAScript, 20–21

support in Mozilla, 674–675

W3C, 21, 134

state management

with cookies, 527

with frames, 379–381

IE extensions, 531–532

stateless protocols, 522

statements, 27–28

blocks, 77–78

break, 101–102, 105–106

continue, 105–108

definition of, 24

do-while loops, 103–104

else, 97–98

flow control, 36–37

for...in, 109–110

if, 97

import/export, 109

loops, 37–39

for loops, 104–105

overview of, 27

returns and, 27–28

semicolons and, 27–28

short-circuiting evaluation of logical expressions, 99

switch, 98–101

termination, 76–77

throw, 109

try...catch, 109

while loops, 102–103

whitespace, 76

with, 108–109

static menus, DHTML, 518–520

static properties

Event object, 320

objects, 155–156

RegExp object, 209–211, 751

static variables, 124–125

status bar properties, Window object, 367–368

status messages, forms, 456

status property, Window object, 367, 457

stopPropagation( ) method, DOM2, 340

strike object, HTMLElement, 867

<strike>, 867

string data type, 53–57

character representation, 54–55

converting, 66, 734

defined, 29

HTML and, 56–57

overview of, 53–54

quote notation of, 55–56

special characters, 54

String object, 183–188

comparing strings, 88–89

concatenation of strings, 80–81

escape codes, 733

examining strings, 184–185

functions made accessible by, 135

manipulating strings, 186

marking up strings as HTML, 186–187

methods, 54, 187–188, 868–869

overview of, 183–184

properties, 867

regular expression methods, 211–214

String( ) constructor, 183–184

strong object, HTMLElement, 870

<strong>, 870

strongly typed languages, 48

style attribute, 505

style classes, DHTML, 493–494

Style object

DHTML, 489–493

methods, 885

position-related properties, 477

properties, 492–493, 870–884

style object, document objects, 885

style sheets, 539

styles, CSS. See CSS (Cascading Style Sheets)

styles, DHTML

classes, 493–494

computed styles, 494–496

objects, 489–493

styleSheet object, document objects, 886–887

styleSheets[ ] collection, 285

sub object, HTMLElement, 887

<sub>, 887

subexpressions, RegExp, 203–204

submit object, HTMLInputElement, 888

submit( ) method, Form object, 418–419

substring( ) method, 185

subtraction (-) operator, 79

subtrees, DOM, 254

sup object, HTMLElement, 889

<sup>, 889

SVG, 617

switch statements, 98–101

as alternative to if/else statements, 98

case and, 36–37, 100

forms of, 746

issues with, 101–102

syntax, 99–100

symptoms, JavaScript errors, 701–702

syntax errors, 695–696, 698, 700

syntax reference, 729–751

arithmetic operators, 739–740

bitwise operators, 740

block statements, 744–745

built-in objects, 736

comma operator, 742

composite types, 735

conditional operators, 740–741

conditional statements, 746

data types, 732

exceptions, 748

flow control, 744

functions, 745

instance properties, 735

labels, 747

languages, 729–731

literals, 737–738

logical operators, 740

loops, 746–747

object creation, 735

operator precedence and associativity, 743–744

operators, 739

primitive types, 732–733

regular expressions, 748–751

relational, 742–743

with statements, 745

this statement, 736

type conversion, 733–735

type operators, 741