Index

L

label statement, 895

language

choosing appropriate, 3–4

compiled, 2

declaring, 6, 527, 669

DOM support, 527–528

interpreted, 2

introduced, 1

operating system default, specifying, 938

scripting language, 3–4, 669

language attribute (script tag), 6

language directive, 793

lastChild property (Node object), 541

lastIndex property (RegExp object), 914

lastIndexOf method (String object), 117–120, 806, 919

lastMatch property (RegExp object), 914

lastModified property (document object), 436, 930

lastName variable, 677

lastoption variable, 220

lastParen property (RegExp object), 914

lastUpdated variable, 436

LastVisit variable, 436

Latin-1 character set, 949–955

layer

content, changing, 495–496

creating, 489–490

DHTML menu, creating using, 501–508, 512–514

div tag coding, 490, 492–495, 496, 497–498

event handling, 494, 496–497, 502

implicit, 490

inline, 490

moving, 490–495

positioning, 490–495

referencing, 490

z-index, 491–494

layer HTML tag

background, historical, 557

left attribute, 490, 503

NN support, 489, 515

onmouseout event behavior in relation to, 502

syntax, 489

top attribute, 490, 503

z-index attribute, 491–494, 503

Layer object

clip.right property, 507

creating, 489–490

left property, 490

moveBy method, 491

moveTo method, 491

onblur event, 496

onfocus event, 496

onload event, 496

onmouseout event, 496, 503, 505, 506

onmouseover event, 496, 497, 503, 505, 506

onmouseup event, 496

top property, 490

write method, writing to using, 495

zIndex property, 491–494

layerCount variable, 513

LayerOutMenu style class, 504

layers property (document object), 175, 490, 506, 515, 517

lbound method (VBArray object), 921

left

attribute

div tag, 451–453

layer tag, 490, 503

Layer object property, 490

leftContext property (RegExp object), 914

left-hand side operand. See LHS operand

length property

Array object, 109, 130, 134, 189, 900

Form object, 190, 933

Function object, 907

history object, 161, 934

JavaArray object, 908

Plugin object, 630

Radio object, 209

Select object, 942

String object, 110–111, 112, 918

window object, 946

lengthOfSecondString variable, 111

Less Than operator, 65, 80, 888

Less Than Or Equal operator, 65, 80, 888

less than sign, equals sign (<=) less than or equal to operator, 65, 80

less than sign, exclamation mark, dash (<!—) DTD comment prefix, 595, 602

less than sign (<) less than operator, 65, 80

less than sign, percent sign (<%) script delimiter, 668, 696–698

less than sign, question mark (<?) XML declaration prefix, 586

LF (line feed) character, 600

LHS (left-hand side) operand, 65

line escape sequence, 21

link. See hyperlink

link method (String object), 919

Link object, 935–936

linkColor property (document object), 930

links property (document object), 163, 167, 930

linkSomePage_onclick function, 169–170, 171

list box, working with in HTML form, 192, 215

literal, 25, 37, 115

LiveConnect technology, 630

LN2 property (Math object), 909

LN10 property (Math object), 909

load method (document object), 614

Local Variables window (Venkman Debugger), 394

location

object

described, 161–162, 936

hash property, 937

host property, 937

hostname property, 162, 937

href property, 162, 241, 481, 937

pathname property, 937

port property, 162, 937

protocol property, 162, 937

reload method, 937

replace method, 162, 183, 518, 937

search property, 937

window object property, as, 160, 946

property

document object, 930

window object, 160, 946

log method (Math object), 910

logical operator, 71–73, 890–891

logon application

ASP, 699–703, 720

CheckLogOn.asp file, 700

Ch17_LogOn.asp file, 870, 872

counting logon attempts, 860, 874, 875

database, 796, 870–875

form, submitting, 702

LogOn.asp file, 860

Logon.htm file, 700

LogonTrys variable, 860, 874

LOG2E property (Math object), 909

LOG10E property (Math object), 909

londonOdeon variable, 154

loopCounter variable, 85–86, 87

looping

array, accessing, 87, 88

condition, testing, 85–88, 89–91, 894–895

counter, 85–86, 87, 90, 833

data, handling invalid, 92

debugging loop structure, 380–382, 386

do while loop, 90–91, 894, 895

exiting prematurely, 90–91

Fahrenheit to centigrade converter application, in, 86–88, 90, 91–92

for in loop, 88–89, 894

for loop, 85–88, 894

infinite loop, 90

introduced, 84–85

scripting, in server-side, 671–673

variable, using in, 85–86, 87

while loop, 89–90, 672

LowerWindow.htm file, 238–239, 241

lowsrc property (IMG object), 935

lsBrowser variable, 694

lsMessageBody variable, 881, 882