Index
Symbols
! (not), 16
> (greater than), 16
< (less than), 16
% (modulus), 15
" (quotes), 432
# (hash symbol), 19
$ (dollar sign), 176, 365–366, 379
(non-breaking space), 51
& (and) operator, 70
() (parentheses)
in loops, 51
in methods, 12
in regular expressions, 174
+ (plus sign) operator, 15, 174
++ (increment) operator, 15, 53
- (minus sign) operator, 15
-- (decrement) operator, 15
. (dot/period), 12
// (comment indicator), 30
/* and */ (comment indicators), 29
; (semicolon), 24, 173, 425, 435
@ character, 175
[] (brackets), 174
^ (caret), 174
| (or) operator, 70
12-hour time format, 272
24-hour time format, 272
A
accented characters, 441–443
accessibility, 296
accordion menus, 382–385
action attribute, 134
Adaptive Path, 327
Adobe
Dreamweaver. See Dreamweaver
Ajax, 325–362
article about, 327
auto-completing form fields with, 357–362
and back buttons, 330
browser considerations, 329
drawbacks/problems, 329–330, 338, 348
engine, 328
how it works, 328–329
and jQuery, 398–399
parsing server data with, 339–345, 349–352
popularity of, 327
previewing links with, 353–356
purpose of, 8
recommended video on, 493
refreshing server data with, 346–348
requesting/reading server data with, 331–338, 349–352
and server-side technologies, 330
testing, 338
ways of using, 325–326
Web technologies included in, 9, 327, 362
Ajax Essential Training, 493
Ajaxian blog, 492
alert boxes, 218
alert() method, 32
alert windows, 31–32
alphabetizing names, 187–188
alt attribute, 82
America Online (AOL), 456, 442
AM/PM, adding to time, 271, 273
and (&) operator, 70
animation, 81, 83, 85, 104–105
annotating scripts, 29–30
anonymous functions, 89, 90, 136
AOL (America Online), 42, 84, 456
Apache, 172
appendChild() method, 244, 253
Apple Safari. See Safari
arithmetic operators, 15
arrays
declaring, 59
defined, 59
updating, 62–63
using string, 77–80
assignment operators, 16
Asynchronous JavaScript and XML, 9, 327. See also Ajax
Atom feeds, 340
attributes
action, 134
alt, 82
autocomplete, 358
class, 18–19, 70, 72, 74, 99, 134
deprecated, 24
for, 134
height, 82
href, 22
id. See id attribute
language, 24
maxlength, 134
selected, 134
size, 134
style, 70
target, 118–119
value, 134
width, 82
audio player plugin, 420–424
autocomplete attribute, 358
B
background color, changing Web page, 432, 433–435
background properties (CSS), 483
Bare Bones Software, 20
binary math, 74
Bingo cards
adding interactivity to, 68–70
avoiding duplicate numbers in, 62–63, 64
checking for winning state, 71–74
creating skeleton for, 50–51
limiting range of values in, 59
possible winning patterns for, 75
range of allowable numbers for, 53, 59
using loop to create table for, 53–54
bit.ly, 449
bitwise arithmetic, 70, 72, 75–76
blind users, 296
block-level elements, 18
blogs. See weblogs
blur() method, 132
body scripts, 23
bookmarklets, 425–452
for changing page’s styles, 433–435
for converting kilometers to miles, 446
for converting RGB values to hex, 444–445
creating
in Firefox, 426
in Internet Explorer, 428–431
in Safari, 427
defined, 425
for displaying ISO Latin characters, 441–443
for doing complex calculations, 447–448
and IE security, 431
for looking up words, 436–438
for mailing Web pages, 451
origin of, 427
repositioning, 427
for resetting page background, 432
for resizing pages, 452
for shortening URLs, 449
use of semicolons in, 425, 435
use of single vs. double quotes in, 432
for validating pages, 450
for viewing images, 439–440
vs. other JavaScript code, 425
bookmarklets.com, 427
books
Dreamweaver: Visual QuickStart Guide, 138
HTML, XHTML, and CSS: Visual QuickStart Guide, 2
JavaScript, The Definitive Guide, 493
Perl and CGI for the World Wide Web: Visual QuickStart Guide, 176
ppk on JavaScript, 493
Pro JavaScript Techniques, 493
Styling Web Pages with CSS: Visual QuickProject Guide, 481
Boolean values, 15, 61, 63, 70, 77
box properties (CSS), 485
brackets ([]), 174
browser compatibility, 398
browser detection, 58
browser objects, 11. See also objects
browsers. See also specific browsers
and alert boxes, 32
and browser detection, 58
and caching, 348
and case-sensitivity, 480
and cookies, 219–220
and Daylight Savings Time, 271
and ECMAScript, 458
and event handlers, 69
and external JavaScript files, 28
and JavaScript toolkits, 373
and JavaScript versions, 454
performing word lookups in, 436–438
and pop-up windows, 129
and resizing of images, 90
and security problems, 431
testing scripts in different, 130
viewing document tree structure in, 13
and Year 2000 Problem, 277
browser security settings, 129
browser windows, 127. See also windows
buttons
radio, 156–158
Buzzword Bingo game, 77–80
C
C#, 3
C/C++, 3
cache files
and external scripts, 28
and onload/onunload events, 136, 138
and rollovers, 85
and select-and-go menus, 136
calculators, 447–448
calendars
adding to Web pages, 403–407
Google, 10
calendar widget, 403–407
callback function, 352
calling functions, 25
Camino, 454
capitalizing names, 183–185
caret (^), 174
Cascading Style Sheets, 9. See also CSS
case statements, 43–45
catch statement, 47
CDN (Content Delivery Network), 367
CGI programs
and forms, 133
for getting from one page to another, 139
and JavaScript, 7
meaning of acronym, 7
recommended book on, 176
characters, displaying ISO Latin, 441–443
charts, 306–314
code for drawing, 308–311
HTML page for generating, 306
script containing styles for, 307
source of statistics for, 314
child frames, 117
Chrome, 28, 58, 242, 373, 431, 458
class attribute, 18–19, 70, 72, 74, 98
classes, CSS pseudo-, 482
client machines, reading/writing files on, 7
client-side languages, 4, 6, 7
closing windows, 7
Cocoa-based programs, 438
code-checking tool, 494
code-writing tool, 495
color
changing Web page background, 432, 433–435
converting RGB to hexadecimal, 444–445
properties (CSS), 483
color-picker script, 369–370
comment indicators (/* and */), 29
commenting scripts, 29–30
Common Gateway Interface, 133. See also CGI
Communicator, Netscape, 454
comparison operators, 16
compile() method, 186
conditionals
use of && and || in, 74
confirm() method, 33–34
container tags, 23
Content Delivery Network (CDN), 367
converters
kilometers-to-miles, 446
RGB-to-hexadecimal, 444–445
cookies, 219–240
defined, 219
deleting, 231–232
displaying “New to You” message with, 235–240
format for typical, 221
handling multiple, 223, 233–234
how browsers handle, 219
misconceptions about, 219–220
reading, 225
showing, 226–227
ways of using, 219
Coordinated Universal Time, 266, 283
Core JavaScript Reference/Guide, 490
countdown script, 274–277
counter programs, 230
country pop-up menus, 140
createElement() method, 244
createTextNode() method, 244
CSS
basic concepts, 482
color units, 488
combining JavaScript and, 68–70
length units, 488
meaning of acronym, 9
and object literals, 257
properties, 483–488
pseudo-elements/classes, 482
purpose of, 17
reference, 481–488
styling Bingo card with, 52
tools for creating, 20
and HTML, 17
CSS 2.0 specification, 481
CSS 2.1 specification, 481
.css file extension, 20
customizing messages
for time of day, 265
for weekday vs. weekend, 264
cycling banners
adding links to, 106–107
creating, 104–105
displaying random images in, 113–114
D
data
accessing other people’s, 345
automatic entry of, 357–362
presenting tabular, 49, 390–392
refreshing, 346–348
requesting/reading, 331–338, 349–352
using jQuery with external, 411–419
date methods, 283–284
datepicker widget, 403–407
dates. See also calendars
comparing two, 277
displaying by time zone, 266–271
distinguishing between weekdays/weekends, 264
dynamically displaying on Web page, 262–263
how JavaScript stores, 277
Daylight Savings Time, 271
day/month pop-up menus, 140–141
Debugger, Firebug, 494
Debugger, Venkman, 490–491
decimal math, 74
deprecated attributes, 24
detection methods, 58
dialogs, 386–387
dictionary-lookup script, 436–438
<div> tags, 18
documentation
JavaScript, 490
jQuery, 376
node manipulation, 260
Document Object Model, 9. See also DOM
document tree structure, 13, 243
document.write() method, 28
Dojo, 373
dollar sign ($), 176, 365–366, 379
DOM
defined, 13
meaning of acronym, 9
scripting, 42
DOM-2, 242–243
DOM-3, 243
dots-follow-cursor script, 209
draggable dialogs, 387
dragging/dropping page elements, 408–410
Dreamweaver
jump menus, 138
recommended book on, 138
and regular expressions, 172
scripting in, 20
Dreamweaver: Visual QuickStart Guide, 138
drop shadows, 99
dynamic iframes, 123–124
dynamic pages, 261–282
converting 24-hour to 12-hour time, 272–273
creating countdowns, 274–277
customizing message for time of day, 265
customizing message for weekday vs. weekend, 264
defined, 261
and jQuery, 368
moving objects in, 281–282
putting current date on page, 262–263
E
ECMA-262 specification, 454, 457. See also ECMAScript
ECMAScript
bindings, 243
flavors of, 457–458
and JavaScript versions, 454
and Netscape, 457
official specification for, 457
reserved words, 478–479
ejohn.org, 376
elements
block-level vs. inline, 18
CSS pseudo-, 482
highlighting page, 378–381
identifying, 19
modifying, 19
Emacs, 20
email, sending Web pages via, 451
email addresses
verifying, 169
error-handling script, 46–47
escaping characters, 174
event handlers, 195–218
for form events, 212–215
onblur, 213–214
onchange, 212
onclick, 213
onfocus, 215
onreset, 212
onselect, 212
onsubmit, 212
importance of, 195
for key events, 216–218
onkeydown, 216–217
onkeypress, 218
onkeyup, 218
list of common, 14
for mouse events, 204–211
onclick, 211
ondblclick, 210
onmousedown, 204–206
onmousemove, 207–209
onmouseout, 210
reference, 465–476
for window events, 196–203
onabort, 201
onblur, 203
onerror, 201
onfocus, 202
onmove, 201
onresize, 200–201
event property, 69
events. See also event handlers
defined, 14
form, 212–215
key, 216–218
mouse, 204–211
window, 196–203
evt property, 69
Excel. See Microsoft Excel
external scripts, 26–28
extracting strings, 180–182
eyeballs script, 207–209
F
favelets, 425
favorites, 425
fields
auto-completing, 357–362, 374–375
checking one against another, 147–148
identifying/marking problem, 149–150
making them required, 142–146
setting one with another, 159–161
validating email addresses in, 166–170, 173–176
validating zip codes in, 162–165
file names, validating, 178–179
finally {} block, 47
Firebug Debugger, 494
Firebug Lite, 494
Firefox
and alert boxes, 32
creating bookmarklets in, 426
and DOM-2, 242
and ECMAScript, 458
and external JavaScript files, 28
and focus() method, 214
and JavaScript, 454
and JavaScript toolkits, 373
non-standard window event handlers, 138
and oncontextmenu events, 206
and onkeydown events, 217
and onmousedown events, 206
performing word lookups in, 436–437
window defaults, 130
and Year 2000 Problem, 277
Flanagan, David, 493
following-eyes script, 207–209
font properties (CSS), 483
fonts, serif vs. sans-serif, 315, 318
for attribute, 134
formatting
properties (CSS), 486
strings, 183–191
list of names, 183–188
phone numbers, 189–191
time, 272–273
form event handlers, 212–215
onblur, 213–214
onchange, 212
onclick, 213
onfocus, 215
onreset, 212
onselect, 212
onsubmit, 212
form-handling scripts
changing menus dynamically, 140–141
checking one field against another, 147–148
creating select-and-go menu, 135–138
identifying problem fields, 149–150
making fields required, 142–146
making sure user picks radio button, 156–158
setting field value automatically, 159–161
validating email addresses, 166–170, 173–176
validating multi-element form, 151–155
validating zip codes, 162–165
forms, 133–193
auto-completing fields in, 357–362, 374–375
checking one field against another in, 147–148
how they work, 133
identifying problem fields in, 149–150
for jumping from one page to another, 139
making fields required in, 142–146
purpose of, 133
setting field values automatically in, 159–161
tags/attributes, 134
using radio buttons in, 156–158
validating email addresses in, 166–170, 173–176
validating file names in, 178–179
validating multi-element, 151–155
validating URLs in, 178–179
validating zip codes in, 162–165
forums, jQuery, 376
frames, 115–126
HTML tags/attributes, 116
inline, 118. See also iframes
keeping pages out of, 117
reduced popularity of, 115
setting target for, 118–119
sharing functions between, 125–126
framesets, 117, 118. See also frames
frameworks, JavaScript, 363–364, 367, 373, 377
functions. See also specific functions
calling, 25
components of, 25
defined, 25
passing values to, 55–56
sharing between documents, 125–126
use of parentheses in, 28
function values, 15
G
generated content properties (CSS), 484
getElementById() method, 27, 459
getElementsByTagName() method, 245, 246, 247
getFullYear() method, 277
getHours() method, 265
getTime() method, 277
getYear() method, 277
GIFs, spacer, 113
goo.gl, 449
and Ajax, 10
browser. See Chrome
and jQuery, 367
Google Calendar, 10
Google Docs, 10
Google Instant, 362
Google Maps Mania, 10
googlemapsmania.blogspot.com, 10
graphics. See also images
animating, 81
preparing for rollovers, 90
grep, 171
H
<h1>...<h6> tags, 22
hash symbol (#), 19
header scripts, 23
“Hello, Cleveland!” script, 2
“Hello, world!” script, 23, 27, 29–30, 426
hexadecimal, converting RGB values to, 444–445
highlighting new elements, 378–381
hijacking pages, 117
hit counters, 230
hover() method, 372–373
href attribute, 22
HTML
attributes, 22, 49, 82, 116, 134
and case, 90
classic style of, 18
and CSS, 17
deprecation of attributes in, 24
evolution of, 1
forms, 133
modern, 17
purpose of, 17
recommended book on, 2
separating JavaScript from, 41, 43
tools for writing, 20
writing JavaScript-friendly, 17–19
and W3C validation, 17
HTML, XHTML, and CSS: Visual QuickStart Guide, 2
.html file extension, 20
HTML Source mode, 20
<html> tags, 22
Hypertext Markup Language. See HTML
I
id attribute
and forms, 134
and frames, 116
and “Hello, world!” script, 27
manipulating cell contents with, 51
IE. See Internet Explorer
if/else conditionals, 33–34, 43, 57
iframes
creating content for, 122
creating dynamic, 123–124
defined, 118
loading, with JavaScript, 120
working with, 121–122
images, 81–114
annotating, 96
creating illusion of animation with, 85
in cycling banners, 105
cycling with random start, 113–114
displaying random, 111–112
forcing users to download, 105
HTML tag/attributes for, 82
preparing for rollovers, 90
presenting as slideshows, 108–110
for simple rollovers, 83–84
for three-state rollovers, 91–92, 192
viewing table of, 439–440
increment step, for loop, 54
index number, 59
initialization step, for loop, 54
inline elements, 18
innerHTML property, 27, 28, 42, 245
<input> tags, 134
insertBefore() method, 253
interactive Web applications, 8
interactivity, 1, 6, 68–70, 369–373
internal scripts, 26
Internet Explorer
and alert boxes, 32
and AOL, 456
creating bookmarklets in, 428–431
and DOM-2, 242
and ECMAScript, 458
and event handlers, 69
and external JavaScript files, 28
and getFullYear() method, 277
and JavaScript toolkits, 373
and oncontextmenu events, 206
and onkeydown events, 217
and onmousedown events, 206
performing word lookups in, 436–437
and pop-up windows, 129
scripting capabilities, 5
security problems, 431
and security settings, 129
and tabbed browsing, 129
viewing document’s tree structure in, 13
window defaults, 130
and XMLHttpRequest object, 332, 338
Year 2000 Problem, 277
Internet time server, 271
iPhone, 80
isNaN() method, 47
ISO Latin characters, 441–443
J
Java
cross-platform compatibility of, 3, 4
developers of, 3
and Microsoft, 3
and regular expressions, 172
vs. JavaScript, 3
vs. other programming languages, 3
ways of using, 4
adding visual interest to Web pages with, 81
applying styles with, 68–70
and browser compatibility, 398
calculator, 447–448
case-sensitivity of, 15
as client-side language, 7
combining CSS and, 68–70
and cookies, 219–220. See also cookies
documentation, 490
enhancing links with, 39–41
evolution of, 1
frameworks, 363–364, 367, 373, 377
hiding from users, 28, 204–206
how events are handled in, 14
inventor of, 1
libraries. See JavaScript frameworks
limitations of, 7
loading iframes with, 120
Math object, 447
modifying document tree structure with, 13
object flowchart, 459–464
object hierarchy, 460
as object-oriented language, 11
object table, 465–476
operators, 15–16
as programming language, 2
recommended books on, 493
recommended video on, 493
and regular expressions, 171, 172
reserved words, 477–480
resources, 489–496
rewriting with object literals, 257–260
as scripting language, 2
and standards-compliant HTML, 17
terminology, 42
toolkits. See JavaScript frameworks
tools for writing, 20, 363–364
tutorials, 493
use of semicolons in, 24
using functions in, 25
value types, 15
vs. Java, 3
ways of using, 6
JavaScript, The Definitive Guide, 493
JavaScript Center, 490
JavaScript Essential Training, 493
JavaScript Guide, Netscape, 427
JavaScript Object Notation (JSON), 260. See also JSON format
javascriptworld.com, see JavaScript World
Jobs, Steve, 80
JPEG images, 105
jQuery, 363–424
adding to page, 365–366
adding user interaction with, 369–373
and Ajax, 398–399
alternatives to, 373
auto-completing fields with, 374–375
and browser compatibility, 398
calendar widget, 403–407
designing with
creating accordion menus, 382–385
creating custom themes, 400–402
creating smarter dialogs, 386–387
highlighting new elements, 378–381
sorting tables, 393–396
striping tables, 390–392
documentation, 376
and dollar sign (?), 365–366
downloading, 376
as foundation, 398–399
forums, 376
purpose of, 364
resources, 376
serving, 367
tutorials, 376
updating buttons with, 372–373
updating page with, 368
use of dollar sign ($) in, 379
user interface (UI). See jQuery UI
using with external data, 411–419
and “yellow fade,” 377, 378
jQuery UI, 376, 377, 378, 381, 396, 400
ThemeRoller. See ThemeRoller
JSBin, 495
JSFiddle, 495
.js file extension, 20, 26, 206
JSHint, 494
JSON format, 9, 260, 349–352, 398–399, 411
jump menus, 138
K
Kangas, Steve, 427
key event handlers, 216–218
onkeydown, 216–217
onkeypress, 218
onkeyup, 218
keywords
kilometers-to-miles converter, 446
L
<label> tags, 134
language attribute, 24
languages
client-side, 7
object-based, 11
object-oriented, 11
Latin characters, ISO, 441–443
layers, hiding/displaying, 278–280
leap year, 141
length units (CSS), 488
libraries, JavaScript. See frameworks, JavaScript
light table script, 408–410
limiting step, for loop, 54
link enhancement script, 39–40
links
enhancing with JavaScript, 39–41
redirecting users with, 37–38
triggering rollovers from, 93–98
Linux, 3
list properties (CSS), 487
lists, 292
<li> tags, 292
literal values, 16
loops
importance of, 50
specific types
lynda.com, 493
M
Macintosh, 455
Mac OS X
and AOL, 456
Camino, 454
dictionary/thesaurus window, 438
and ECMAScript, 458
and Java, 3
text editors, 20
Macworld Expo, 80
mailing Web pages, 451
mailto links, 451
MapQuest, 8
mashups, 10
match() method, 186
math, binary vs. decimal, 74
abs() method, 447
acos() method, 447
asin() method, 447
atan() method, 447
ceil() method, 447
cos() method, 447
exp() method, 447
log() method, 447
max() method, 447
min() method, 447
pow() method, 447
round() method, 447
sqrt() method, 447
tan() method, 447
maxlength attribute, 134
menus
accessibility considerations, 296
accordion, 382–385
changing dynamically, 140–141
horizontal vs. vertical, 293
jump, 138
outline-style, 285
pop-up, 140–141
pull-down, 289–296
select-and-go, 135–138
sliding, 286–288
methods
combining with objects/properties, 12–13
defined, 12
distinguishing from properties, 12
reference, 465–476
for RegExp object, 186
for strings, 186
use of parentheses in, 12
Microsoft
and ECMAScript, 457–458
Excel, 306
Internet Explorer. See Internet Explorer
and Java, 3
JScript blog, 491
JScript Language site, 491
Windows. See Windows
miles, converting kilometers to, 446
military time, 272
modifiers, regular expression, 177
mouse click codes, 206
mouse event handlers, 204–211
onclick, 211
ondblclick, 210
onmousedown, 204–206
onmousemove, 207–209
onmouseout, 210
mouseout() method, 372–373
Mozilla. See also Firefox
and browser detection, 58
debugger, 491
JavaScript Developer Center, 490
and JavaScript versions, 454
Mozilla Hacks blog, 491
MSIE. See Internet Explorer
multi-level conditionals, 43–45, 276
N
names
capitalizing list of, 183–185
generating silly, 301–305
reversing list of, 180–182
sorting list of, 187–188
navigation menus, 135
Navigator
and ECMAScript, 458
and Year 2000 Problem, 277
nested if statements, 43
Netscape
and AOL, 456
Communicator, 454
and external JavaScript files, 28
and following-eyes script, 209
JavaScript Guide, 427
and LiveScript, 5
Navigator. See Navigator
“New to You” messages, 235–240
node manipulation, 241, 242–243, 260
nodes, 241–260
adding, 244–245
defined, 13
deleting, 246–250
inserting, 251–253
replacing, 254–256
vs. innerHTML, 245
non-breaking space, 51
<noscript> tags, 32
Notepad, 20
numbers
validating, 190–191
number sign (#), 19
numeric values, 15
O
object-based languages, 11
object detection, 57–58
object flowchart, 459–464
object hierarchy, 460
object literals, 257–260
sample scripts, 258–259, 372–373
similarity to CSS, 257
use of this with, 260
vs. standard procedural JavaScript, 257, 260
object-oriented languages, 11
objects
combining with properties/methods, 12–13
defined, 11
detecting, 57–58
methods of, 12
naming, 11
properties of, 12
reference, 465–476
object table, 465–476
<object> tags, 4
object values, 15
offline resources, 493
onblur events, 14, 203, 213–214
onclick events, 14, 38, 211, 213
oncontextmenu events, 206
ondblclick events, 210
onkeydown events, 216–217
onkeypress events, 218
onkeyup events, 218
online pastebins, 495
online resources, 490–492, 494–496
onmousedown events, 204–206
onmousemove events, 207–209
onmouseout events, 14, 90, 210
onmouseover events, 14, 90, 210, 353
onmove events, 201
onpagehide events, 138
onpageshow events, 138
onreadystatechange events, 333
onreset events, 212
onresize events, 200–201
operators
arithmetic, 15
assignment, 16
comparison, 16
defined, 15
regular expression, 171
<option> tags, 134
or (|) operator, 70
outline-style menus, 285
P
pageCount array, 123
page hit counters, 230
page properties (CSS), 488
paragraphs, 245
parentheses
in loops, 51
in methods, 12
in regular expressions, 174
parse() method, 269
passing information, 55–56
password-checking script, 142, 147–148
pastebins, 495
period (.), 12
Perl and CGI for the World Wide Web: Visual QuickStart Guide, 176
phone numbers, formatting/validating, 189–191
PNG images, 105
pop-up killers, 129
pop-up menus, 140–141
pop-up windows, 129, 197, 200, 203, 278
postal codes, validating, 162–165
ppk on JavaScript, 493
programming languages, 2, 3, 172
progressive enhancement, 42
Pro JavaScript Techniques, 493
prompt() method, 35
properties
combining with objects/methods, 12–13
defined, 12
distinguishing from methods, 12
reference
CSS, 483–488
JavaScript, 465–476
for RegExp object, 186
Prototype, 373
pseudo-classes (CSS), 482
pseudo-elements (CSS), 482
pull-down menus, 289–296
Python, 172
Q
question mark (?), 175
QuirksMode blog, 492
quotes, in bookmarklets, 432
R
radio buttons, 156–158
random images, 111–114
ready() method, 366
readyState property, 334
regular expressions, 171–193
alternate names for, 171
defined, 171
extracting strings with, 180–182
formatting strings with, 183–191
geekiness of, 172
modifiers for, 177
purpose of, 171
replacing elements with, 192–193
sorting strings with, 187–188
special characters for, 177
validating email addresses with, 173–176
validating file names with, 178–179
validating strings with, 189–191
validating URLs with, 178–179
replaceChild() method, 254
reserved words, 477–480
resizable dialogs, 387
resizeTo() method, 452
resizing windows, 452
resources
books
Ajax, 493
CGI programs, 176
Dreamweaver, 138
HTML, 2
JavaScript, 493
Perl, 176
videos, 493
Web sites
Ajaxian, 492
Bare Bones Software, 20
bit.ly, 449
bookmarklets.com, 427
Dojo, 373
ECMA International, 457
Firebug Debugger, 494
Google Maps Mania (googlemapsmania.blogspot.com), 10
JavaScript Center, 490
JavaScript World (javascriptworld.com), 2, 489
jQuery (jquery.com), 376
JSBin, 495
JScript Language, 491
JSFiddle, 495
JSHint, 494
lynda.com, 493
Mozilla Hacks, 491
Prototype, 373
QuirksMode, 492
Resig, John (ejohn.org), 376
Stack Exchange (stackexchange.com), 496
Stack Overflow (stackoverflow.com), 496
Surfin’ Safari, 491
tinyurl.com, 449
Twitter (twitter.com), 411-419, 449
Venkman Debugger, 490–491
W3C validation tool (validator.w3.org), 17, 450
Web Standards Project (webstandards.org), 42
Wikipedia, 373
Willison, Simon (simonwillison.net), 199
YUI, 373
responseText property, 335
responseXML property, 335
RGB-to-hex converter, 444–445
rollovers, 83–103
browser considerations, 84, 90
building three-state, 91–92
creating more effective, 85–89
creating simple, 83–84
making multiple links change single rollover, 96–98
preparing images for, 90
triggering from text links, 93–95
working with multiple, 99–103
RSS feeds, 340
S
Safari
and alert boxes, 32
blog, 491
and browser detection, 58
creating bookmarklets in, 427
and DOM-2, 242
and ECMAScript, 458
and external JavaScript files, 28
and iPhone, 80
and JavaScript toolkits, 373
and onkeydown events, 217
performing word lookups in, 436–437
viewing document’s tree structure in, 13
window defaults, 130
Ajax
auto-completing fields, 357–362
parsing server data, 339–345, 349–352
previewing links, 353–356
refreshing server data, 346–348
requesting/reading server data, 331–338, 349–352
bookmarklets
changing page’s styles, 433–435
converting kilometers to miles, 446
converting RGB values to hex, 444–445
creating in Firefox, 427
creating in Internet Explorer, 428–431
creating in Safari, 427
displaying ISO Latin characters, 441–443
looking up words, 436–438
mailing Web pages, 451
resetting page background, 432
resizing pages, 452
shortening URLs, 449
using JavaScript calculator, 447–448
validating pages, 450
viewing images, 439–440
cookies
counting cookies, 228–230
deleting cookies, 231–232
displaying “New to You” message, 235–240
handling multiple cookies, 233–234
reading cookies, 225
setting cookies, 221–224
showing cookies, 226–227
cycling banners
adding links, 106–107
creating, 104–105
dynamic pages
converting 24-hour to 12-hour time, 272–273
creating countdown, 274–277
customizing message for time of day, 265
displaying dates by time zone, 266–271
hiding/displaying layers, 279–280
identifying weekday vs. weekend, 264
moving objects, 281
putting current date on Web page, 262–263
event handlers
checking for double clicks with ondblclick, 210
controlling window stacking with onfocus, 202
fixing Netscape dynamic content redraw bug with onresize, 200–201
hiding code with onmousedown, 204–206
preventing wayward field entries with onfocus, 215
setting multiple onload attributes, 196–199
triggering slide change with onkeydown, 216–217
using onblur to force field entry, 213–214
using onblur to keep window in front, 203
using onblur to trigger action when user leaves field, 214
using onmousemove to display eyeballs that follow user, 207–209
form handling
changing menus dynamically, 140–141
checking one field against another, 147–148
creating select-and-go menu, 135–138
identifying problem fields, 149–150
making fields required, 142–146
making sure user picks radio button, 156–158
setting field value automatically, 159–161
validating email addresses, 166–170, 173–176
validating multi-element form, 152–155
validating zip codes, 162–165
frames
creating content for iframes, 121–122
keeping pages out of frames, 117
loading dynamic iframes, 123–124
loading iframes with JavaScript, 120
setting target for frames, 118–119
sharing functions between documents, 125–126
“Hello, Cleveland!”, 2
“Hello, world!”, 23, 27, 29–30, 426
images
cycling with random start, 113–114
displaying as slideshow, 108–110
displaying random, 111–112
rollover, making multiple links change single, 96–98
rollovers, building three-state, 91–92
rollovers, creating more effective, 85–89
rollovers, creating simple, 83–84
rollovers, triggering from text links, 93–95
rollovers, working with multiple, 99–103
JavaScript applied
adding pull-down menus, 289–292
allowing user to switch between style sheets, 315–324
enhancing pull-down menus, 293–296
generating bar graph, 306–314
generating silly names, 301–305
showing captions in slideshows, 297–300
using sliding menus, 286–288
JavaScript basics
alerting users, 31–32
commenting scripts, 29–30
confirming user choice, 33–34
enclosing script in <script> and </script> tags, 23–24
enhancing links, 39–40
handling errors, 46–47
prompting users, 35–36
redirecting users with link, 37–38
referencing external JavaScript files, 26–28
using conditionals, 33–34, 43–45
JavaScript language essentials
applying styles with JavaScript, 68–70
calling scripts multiple ways, 66–67
checking states, 71–74
detecting objects, 57–58
passing values to functions, 55–56
returning values from functions, 61–62
updating arrays, 62–63
using arrays, 59–60
using do/while loops, 64–65, 78
using for loops, 50–54
using string arrays, 77–80
jQuery
adding calendar to page, 403–407
adding jQuery to page, 365
adding user interaction/updates, 369–373
audio player plugin, 420–424
auto-completing fields, 374–375
creating accordion menus, 382–385
creating smarter dialogs, 386–387
creating sortable tables, 393–396
dragging/dropping elements, 408–410
highlighting new elements, 378–381
striping tables, 390–392
updating page, 368
objects and DOM
adding text nodes, 244–245
deleting text nodes, 246–250
inserting nodes, 251–253
replacing nodes, 254–256
using object literals, 258–260
regular expressions
capitalizing names, 183–185
extracting strings, 180–182
formatting/sorting strings, 187–188
formatting strings, 183–185
formatting/validating strings, 189–191
replacing page elements, 192–193
sorting names, 187–188
validating email addresses, 173–176
validating file names, 178–179
validating phone numbers, 189–191
validating URLs, 178–179
windows
loading different contents into, 131–132
opening new, 127–129
screen size, 452
script errors, 129
scripting, unobtrusive, 41, 42
scripts. See also sample scripts
allowing users to run, 66–67
anticipating user actions in, 14
calling functions in, 25
calling multiple ways, 66–67
defined, 2
how Web browsers handle, 2
internal vs. external, 26
putting comments in, 29–30
testing, 130
triggering when page loads, 14
using external, 26–28
where to put, 23
writing your first, 23
<script> tags
adding attributes to, 24
in book’s sample scripts, 24
enclosing scripts in, 23
language attribute of, 24
and page hijacking, 117
script text and, 2
where to put, 2
search-and-replace feature, 50
search() method, 186
security problems, Internet Explorer, 431
security settings, browser, 129
select-and-go menus, 135–138
selected attribute, 134
<select> tags, 134
semantic chunks, breaking content into, 18
semicolon (;), 24, 173, 425, 435
server data
refreshing, 346–348
requesting/reading, 331–338, 349–352
server machines, writing of files on, 7
server-side programs, 6, 241, 330
silly name generator, 301–305
simonwillison.net, 199
size attribute, 134
slideshows
building wraparound, 108–110
enabling dragging/dropping for, 408–410
showing captions in, 297–300
sliding menus, 286–288
sorting tables, 393–396
<span> tags, 18
special characters, 174, 177, 441–443
speech synthesis, 481
square root calculator, 46–47
src attribute, 22, 26, 82, 116
srcElement property, 69
Stack Exchange, 496
Stack Overflow, 496
standards. See Web standards
state names, auto-completing, 357–362, 374–375
SteveNote Bingo, 80
string arrays, 77–80
string methods, 186
strings, 180–191
comparing, 16
defined, 15
extracting, 180–182
formatting, 183–191
returning, from functions, 61
sorting, 187–188
syntax for, 117
striped tables, 390–392
style attribute, 70
styles. See also CSS
applying, with JavaScript, 68–70
changing, with bookmarklet, 433–435
style sheet switcher, 315–324
Styling Web Pages with CSS: Visual QuickProject Guide, 481
submit buttons, 133, 139, 142, 212
Sun Microsystems, 3
Surfin’ Safari blog, 491
switch/case statements, 43–45, 276
syntax errors, 129
T
tabbed browsing settings, 129
table-based layouts, 18
table properties (CSS), 487
tables
sorting, 393–396
striping, 390–392
viewing page’s images in, 439–440
<table> tags, 49
tabular data, 49, 390. See also tables
tag-along dots script, 209
tags. See also specific tags
basic, 22
form, 134
frame, 116
image, 82
table, 49
target attribute, 118–119
<td> tags, 49
terminology
DOM 2, 243
JavaScript, 42
node manipulation, 242–243
testing scripts, 130
test() method, 186
textContent property, 336
text editors, 20
text links, triggering rollovers from, 93–95
TextMate, 172
text nodes, 244–250
adding, 244–245
deleting, 246–250
text properties (CSS), 484
text property, 336
Text Wrangler, 20
ThemeRoller, 400–402
thesaurus-lookup script, 436–438
three-state rollovers, 91–92, 192
<th> tags, 49
Thunderbird, 491
time
converting 24-hour to 12-hour, 272–273
customizing messages for, 265
dealing with Daylight Savings Time, 271
time server, 271
time zone, displaying dates by, 266–271
tinyurl.com, 449
<title> tags, 22
toggle() method, 380
toolkits, JavaScript. See frameworks, JavaScript
toSource() method, 186
toString() method, 186
transparent GIFs, 90
<tr> tags, 49
try statement, 47
tutorials
JavaScript, 493
jQuery, 376
U
<ul> tags, 292
unordered lists, 292
URLs
shortening, 449
updates to this book’s, 489
validating, 178–179
URL-shortening services, 449
user interface properties (CSS), 488
alerting, 31–32
allowing control of scripts by, 66–67
confirming choices of, 33–34
prompting for response, 35–36
redirecting with links, 37–38
UT, 266
V
validating
email addresses, 166–170, 173–176
file names, 178–179
JavaScript, 494
phone numbers, 190–191
URLs, 178–179
vs. verifying, 169
zip codes, 162–165
value attribute, 134
valueOf() method, 186
values
adding, 15
assigning to variables, 16
checking variables against multiple, 43
converting kilometers to miles, 446
converting RGB to hexadecimal, 444–445
defined, 15
literal, 16
passing to functions, 55–56
types of, 15
variables
assigning values to, 16
checking against multiple values, 43
comparing values of, 16
declaring, 35
defined, 15
use of equals sign with, 15
Venkman Debugger, 490–491
verifying email addresses, 169
video training resources, 493
videos
Ajax Essential Training, 493
JavaScript Essential Training, 493
Vista. See Windows Vista
visual effects properties (CSS), 487
visual formatting properties (CSS), 486
visually impaired users, 296
W
W3C
deprecation of attributes by, 24
and DOM-2, 242
and DOM-3, 243
and DOM scripting, 42
and innerHTML property, 28
and node manipulation, 241, 242, 243
Web
browsers. See Web browsers
dramatic changes in, 325
dynamic nature of, 1
standard layout language for, 17
standards. See Web standards
Web-based email, 10
Web-based slideshows, 408–410
Web browsers. See also specific browsers
and alert boxes, 32
and browser detection, 58
and caching, 348
and case-sensitivity, 480
and cookies, 219–220
and Daylight Savings Time, 271
and ECMAScript, 458
and event handlers, 69
and external JavaScript files, 28
and JavaScript toolkits, 373
and JavaScript versions, 454
performing word lookups in, 436–438
and pop-up windows, 129
and resizing of images, 90
and security problems, 431
testing scripts in different, 130
viewing document tree structure in, 13
and Year 2000 Problem, 277
WebKit, 491
weblogs
Ajaxian, 492
jQuery, 376
jScript, 491
Mozilla Hacks, 491
QuirksMode, 492
Surfin’ Safari, 491
Web page hit counters, 230
Web pages. See also Web sites
adding interactivity to, 1, 6, 68–70, 369–373
adding visual interest to, 81
changing background color for, 432, 433–435
changing styles for, 433–435
characteristics of effective, 261
mailing, 451
preventing hijacking of, 117
reading information from opened, 7
reloading part of, 67
shortening URLs for, 449
unobtrusive scripting of, 41, 42
viewing all images on, 439–440
Web sites. See also Web pages
alerting users to new content on, 235–240
presenting slideshows on, 108
for specific topics/companies. See resources
Web standards
and browser DOMs, 438
and JavaScript toolkits, 373
validating pages for compliance with, 17, 450
Web Standards Project, 42
while statements, 64–65
width attribute, 82
Wikipedia, 373
Willison, Simon, 199
window event handlers, 196–203
onabort, 201
onblur, 203
onerror, 201
onfocus, 202
onmove, 201
onresize, 200–201
Windows
and Java, 3
and JScript, 455
text editor, 20
Vista, 431
XP Service Pack 2, 431
windows, 125–132
adding parameters to, 130
alert, 31–32
closing, 7
elements of standard browser, 127
how JavaScript deals with, 115
importance of, 115
loading different contents into, 131–132
opening new, 127–129
sharing functions between, 125–126
Word, Microsoft. See Microsoft Word
X
XHTML, and target attribute, 118, 119
XHTML Strict, 118
XMLHttpRequest object, 9, 327, 331, 332, 338, 399
Y
Year 2000 Problem, 277
YUI (Yahoo! User Interface Library), 373
Z
zebra-striped tables, 390–392
z-index, 278
zip codes, 162–165