New Perspectives on JavaScript

by Carey, Patrick; Canovatchel, Frank

• ISBN13: 9780619267971
• ISBN10: 0619267976
• Edition: 1st
• Format: Paperback
• Copyright: 2005-09-14
• Publisher: Course Technology

Summary

This book uses a practical, step-by-step approach to provide comprehensive instruction on basic to advanced JavaScript concepts. Author Patrick Carey’s fluid writing style and thorough explanations make even the most complex topics easy for beginners to understand and apply. With this book, users will be well on their way to create impressive web sites featuring animated text, image rollovers, pull-down menus, and drag and drop menus.

Table of Contents

Preface	v
Read This Before You Begin	xx
Review 1 Introducing HTML and XHTML	1	(48)
Introducing the World Wide Web and HTML	1	(3)
Web Pages, Servers, and Browsers	2	(1)
HTML: The Language of the Web	2	(2)
Creating an HTML Document	4	(3)
White Space and HTML	6	(1)
Element Attributes	6	(1)
The Structure of an HTML File	7	(1)
Working with the Document Head	7	(1)
Working with Block-level Elements	8	(5)
Creating Headings	8	(1)
Creating Paragraphs	9	(1)
Creating Lists	10	(2)
Creating a Generic Block	12	(1)
Using Other Block-level Elements	12	(1)
Working with Inline Elements	13	(2)
Working with IDs and Classes	15	(1)
Creating Links	16	(1)
Working with Images and Other Nontextual Content	16	(3)
Creating Horizontal Lines	17	(1)
Working with Special Characters	17	(1)
Embedding Media Clips	18	(1)
Creating Web Tables	19	(9)
Creating Row Groups	20	(1)
Creating a Table Caption	21	(1)
Spanning Rows and Columns	21	(2)
Setting the Border, Spacing, and Padding Size	23	(2)
Creating Frames and Rules	25	(2)
Working with Column Groups	27	(1)
Creating Web Forms	28	(9)
Creating a Form Element	29	(1)
Creating and Formatting Input Boxes	30	(1)
Creating Option Buttons	31	(1)
Creating Check Boxes	32	(1)
Creating a Selection List	33	(2)
Creating a Text Area Box	35	(1)
Creating a Form Button	36	(1)
Creating a Hidden Field	37	(1)
Working with Form Attributes	37	(1)
Working with Frames	37	(9)
Creating a Frameset	39	(2)
Specifying a Frame Source	41	(1)
Formatting Frames	42	(1)
Working with Frames and Links	43	(1)
Using the noframes Element	44	(1)
Creating Inline Frames	45	(1)
Review Summary	46	(1)
Key Terms	47	(1)
Review Questions	47	(2)
Review 2 Introducing Cascading Style Sheets	49	(1)
Introducing CSS	49	(7)
Applying a Style Sheet	51	(1)
Using Inline Styles	51	(1)
Using Embedded Styles	51	(2)
Using an External Style Sheet	53	(1)
Style Comments	54	(1)
Understanding Style Precedence	55	(1)
Understanding Style Inheritance	55	(1)
Working with Text Styles	56	(6)
Choosing a Font	56	(1)
Setting the Font Size	57	(1)
Controlling Spacing and Indentation	58	(1)
Setting Font Styles, Weights, and Other Decorative Features	59	(2)
Aligning Element Content	61	(1)
Combining All Text Formatting in a Single Style	62	(1)
Working with Color and Image Styles	62	(3)
Setting a Background Image	63	(1)
Controlling Image Placement	63	(2)
Sizing Elements	65	(2)
Setting an Element's Width	65	(1)
Setting an Element's Height	66	(1)
Handling Content Overflow	66	(1)
Clipping Content	67	(1)
Working with Borders, Margins, and Padding	67	(5)
Working with Margins	68	(1)
Working with Borders	69	(2)
Working with Padding	71	(1)
Positioning Elements	72	(4)
Absolute Positioning	72	(1)
Relative Positioning	73	(1)
Fixed and Static Positioning	74	(1)
Floating an Element	74	(1)
Stacking Elements	75	(1)
Setting the Element Display Style	76	(2)
Hiding Elements	77	(1)
Working with Selectors	78	(6)
Contextual Selectors	78	(2)
Attribute Selectors	80	(1)
Applying Styles to IDs and Classes	81	(1)
Applying Styles to Pseudoclasses and Pseudoelements	82	(2)
Working with Different Media	84	(3)
The @media Rule	85	(1)
Supporting Older Browsers	86	(1)
Media Groups	86	(1)
Using Print Styles	87	(5)
Page Pseudoclasses and Named Pages	87	(1)
Setting the Page Size	88	(1)
Displaying Crop Marks	89	(1)
Working with Page Breaks	89	(3)
Review Summary	92	(1)
Key Terms	92	(1)
Review Questions	92
Introducing JavaScript	1	(48)
Monroe Public Library	1	(1)
Session 1.1	2	(1)
Introduction to JavaScript	2	(6)
Server-Side and Client-Side Programming	4	(3)
The Development of JavaScript	7	(1)
Working with the Script Element	8	(2)
Creating a Script Element	8	(1)
Placing the Script Element	9	(1)
Creating a Statement	9	(1)
Writing Output to a Web Document	10	(3)
The document.write() Method	11	(2)
Understanding JavaScript Rules and the Use of White Space	13	(2)
Supporting Non-JavaScript Browsers	15	(1)
Session 1.1 Quick Check	15	(1)
Session 1.2	16	(1)
Working with Variables	16	(4)
Declaring a Variable	16	(1)
Assigning a Value to a Variable	17	(1)
Working with Data Types	17	(2)
Writing a Variable Value to a Web Document	19	(1)
Creating a Function to Perform an Action	20	(5)
Calling a Function	21	(4)
Functions and Variable Scope	25	(1)
Creating a Function to Return a Value	25	(2)
Accessing an External JavaScript File	27	(4)
Commenting JavaScript Code	31	(2)
Inserting Single- and Multiline Comments	31	(1)
Using Comments to Hide JavaScript Code	32	(1)
Debugging Your JavaScript Programs	33	(5)
Common Mistakes	35	(1)
Debugging Tools and Techniques	35	(3)
Tips for Writing Good JavaScript Code	38	(1)
Session 1.2 Quick Check	39	(1)
Tutorial Summary	39	(1)
Key Terms	39	(1)
Review Assignments	40	(1)
Case Problems	41	(7)
Quick Check Answers	48	(1)
Working with Operators and Expressions	49	(52)
Dixon's New Year's Bash	49	(1)
Session 2.1	50	(1)
Working with onEvent Processing	50	(6)
Understanding Event Handlers	53	(2)
Running JavaScript Commands as Links	55	(1)
Working with Dates	56	(7)
Retrieving the Date, Month, and Hour Values	57	(1)
Retrieving the Hour, Minute, and Second Values	58	(1)
Setting Date and Time Values	59	(1)
Creating a Date and Time Function	60	(2)
Session 2.1 Quick Check	62	(1)
Session 2.2	63	(1)
Working with Operators	63	(5)
Arithmetic Operators	63	(2)
Assignment Operators	65	(1)
Calculating the Days Left in the Year	66	(2)
Working with Math Methods and Constants	68	(6)
Math Methods	69	(1)
Math Constants	69	(2)
Calculating the Hours, Minutes, and Seconds Left in the Year	71	(3)
Controlling How JavaScript Works with Numeric Values	74	(3)
Handling Illegal Operations	74	(1)
Specifying the Number Format	75	(1)
Converting Between Numbers and Text Strings	75	(2)
Working with Conditional Operators	77	(5)
Running Timed Commands	82	(2)
Working with Time-Delayed Commands	82	(1)
Running Commands at Specified Intervals	82	(2)
Performing Special Mathematical Tasks	84	(3)
Rounding a Value to a Specified Number of Digits	85	(1)
Generating Random Numbers	86	(1)
Tips for Working with Operators and Expressions	87	(1)
Session 2 Quick Check	87	(1)
Tutorial Summary	87	(1)
Key Terms	88	(1)
Review Assignments	88	(3)
Case Problems	91	(8)
Quick Check Answers	99	(2)
Working with Arrays, Loops, and Conditional Statements	101	(58)
The Chamberlain Civic Center	101	(1)
Session 3.1	102	(1)
Introducing the Monthly Calendar	102	(4)
The Calendar Style Sheet	104	(1)
The calendar() Function	104	(2)
Working with Arrays	106	(9)
Creating and Populating an Array	106	(4)
Working with Array Length	110	(1)
Reversing an Array	111	(1)
Sorting an Array	112	(1)
Extracting and Inserting Array Items	113	(2)
Session 3.1 Quick Check	115	(1)
Session 3.2	116	(1)
Working with Program Loops	116	(6)
The For Loop	116	(2)
For Loops and Arrays	118	(2)
The While Loop	120	(1)
The Do/While Loop	121	(1)
Working with Conditional Statements	122	(7)
The If Statement	123	(1)
Nesting If Statements	124	(2)
The If...Else Statement	126	(1)
Using Multiple Else...If statements	127	(1)
The Switch Statement	128	(1)
Session 3.2 Quick Check	129	(1)
Session 3.3	130	(1)
Creating the calendar() Function	130	(10)
Setting the First Day of the Month	131	(1)
Placing the First Day of the Month	132	(1)
Writing the Calendar Days	133	(3)
Highlighting the Current Date	136	(2)
Setting the Calendar Date	138	(2)
Managing Program Loops and Conditional Statements	140	(2)
The break Command	140	(1)
The continue Command	140	(1)
Statement Labels	141	(1)
Tips for Arrays, Program Loops, and Conditional Statements	142	(1)
Session 3.3 Quick Check	142	(1)
Tutorial Summary	143	(1)
Key Terms	143	(1)
Review Assignments	143	(3)
Case Problems	146	(11)
Quick Check Answers	157	(2)
Working with Objects	159	(56)
Avalon Books	159	(1)
Session 4.1	160	(1)
Introduction to DHTML	160	(2)
Understanding JavaScript Objects	162	(1)
Exploring the Document Object Model	163	(3)
Development of a Common DOM	163	(3)
The Document Tree	166	(1)
Referencing Objects	166	(4)
Object Names	167	(1)
Working with Object Collections	167	(2)
Using document.all and document.getElementById	169	(1)
Referencing Tags	169	(1)
Working with Object Properties	170	(2)
Storing a Property in a Variable	171	(1)
Using Properties in Conditional Expressions	172	(1)
Working with Object Methods	172	(1)
Creating a Cross-Browser Web Site	173	(5)
Using Browser Detection	173	(1)
Using Object Detection	174	(2)
Employing Cross-Browser Strategies	176	(2)
Session 1 Quick Check	178	(1)
Session 4.2	178	(1)
Creating Custom Functions for Avalon Books	178	(1)
Working with the Style Object	179	(2)
Setting an Element's Position	180	(1)
Positioning Properties in the IE DOM	180	(1)
Creating the Positioning Functions for Avalon Books	181	(3)
Session 2 Quick Check	184	(1)
Session 4.3	185	(1)
Applying an Event Handler	185	(2)
Animating an Object	187	(4)
Controlling Layout for Different Monitor Resolutions	191	(6)
Calculating the Size of the Display Window	193	(4)
Using Path Animation	197	(1)
Working with Custom Objects	198	(3)
The new Operator	198	(1)
Customized Properties	199	(1)
Object Constructors	199	(1)
Customized Methods	200	(1)
Tips for Working with JavaScript Objects	201	(1)
Session 4.3 Quick Check	201	(1)
Tutorial Summary	202	(1)
Key Terms	202	(1)
Review Assignments	203	(2)
Case Problems	205	(7)
Quick Check Answers	212	(3)
Working with Special Effects	215	(58)
The World of Shakespeare	215	(1)
Session 5.1	216	(1)
Working with Image Objects	216	(5)
Referencing an Inline Image	217	(2)
Creating an Image Object	219	(1)
Properties of Image Objects	219	(2)
Detecting Image Objects	221	(1)
Creating an Image Rollover	221	(5)
Preloading the Images	222	(2)
Swapping Image Objects	224	(1)
Running the Image Rollover	225	(1)
Creating a Text Rollover	226	(1)
Using the Hover Pseudo-Class	227	(1)
General Text Rollovers	227	(1)
Session 5.1 Quick Check	227	(1)
Session 5.2	228	(1)
Working with Menus	228	(5)
Creating a Pop-Up Menu	228	(1)
Creating a Pull-Down Menu	229	(1)
Creating a Sliding Menu	230	(1)
Creating a Tabbed Menu	230	(3)
Creating Pop-Up Menu Functions	233	(1)
Displaying Menu Contents	234	(4)
Calling the Menu Functions	236	(2)
Session 5.2 Quick Check	238	(1)
Session 5.3	239	(1)
Working with Internet Explorer Filters	239	(8)
Applying Filters by Using Styles	239	(4)
Running Filters with JavaScript	243	(1)
Adding a Filter Effect to the Plays Page	244	(1)
Using a Light Filter	245	(2)
Working with Transitions	247	(10)
Applying Transition Styles	247	(4)
Scripting Transitions	251	(1)
Running a Transition	252	(1)
Adding a Transition to the Plays Page	253	(3)
Using Interpage Transitions	256	(1)
Tips for Working with Special Effects	257	(1)
Session 3 Quick Check	258	(1)
Tutorial Summary	258	(1)
Key Terms	258	(1)
Review Assignments	258	(3)
Case Problems	261	(9)
Quick Check Answers	270	(3)
Working with Windows and Frames	273	(62)
iMusicHistory	273	(1)
Session 6.1	274	(1)
Working with the Window Object	274	(3)
Working with Status Bars	277	(3)
Setting the Default Status Bar Message	277	(1)
Creating a Transient Status Bar Message	278	(2)
Working with the History and Location Objects	280	(4)
Moving Forward and Backward in the History List	280	(2)
Automatic Page Navigation	282	(2)
Security Issues	284	(1)
Session 6.1 Quick Check	284	(1)
Session 6.2	285	(1)
Creating New Browser Windows	285	(9)
Opening New Windows with HTML	286	(1)
Opening New Windows with JavaScript	286	(1)
Setting the Features of a Pop-up Window	287	(4)
Working with Pop-up Blockers	291	(1)
Adding a Pop-up Window to the iMusicHistory Site	292	(2)
Window Security Issues	294	(1)
Working with Window Methods	294	(5)
Window Methods	295	(2)
The self and opener Keywords	297	(1)
Automatically Closing the Definition Window	298	(1)
Creating Dialog Boxes	299	(3)
Working between Windows	302	(5)
Writing Content to a Window	302	(1)
Accessing an Object within a Window	303	(1)
Creating the Quiz Pop-up Window	304	(3)
Working with Modal and Modeless Windows	307	(2)
Working with the Features List	308	(1)
Exchanging Information between the Windows	308	(1)
Session 6.2 Quick Check	309	(1)
Session 6.3	309	(1)
Working with Frames	309	(7)
Working with the Frame and Frameset Objects	312	(1)
Navigating between Frames	312	(1)
Treating Frames as Windows	313	(1)
Setting the Frameset Layout	314	(1)
Collapsing and Expanding a Frame	315	(1)
Controlling Frame Behavior	316	(3)
Blocking an Unwanted Frame	316	(2)
Forcing a Page into a Frameset	318	(1)
Working with Inline Frames	319	(2)
Tips for Working with Windows and Frames	321	(1)
Session 6.3 Quick Check	321	(1)
Tutorial Summary	322	(1)
Key Terms	322	(1)
Review Assignments	322	(3)
Case Problems	325	(7)
Quick Check Answers	332	(3)
Working with Forms and Regular Expressions	335	(82)
GPS-ware	335	(1)
Session 7.1	336	(1)
Working with Forms and Fields	336	(4)
Referencing a Web form	337	(2)
Referencing a form element	339	(1)
Working with Input Fields	340	(3)
Setting the field value	340	(1)
Navigating between fields	341	(2)
Working with Selection Lists	343	(3)
Working with Option Buttons and Checkboxes	346	(3)
Using option buttons	347	(1)
Using the ``this'' keyword	348	(1)
Working with check boxes	349	(1)
Creating Calculated Fields	349	(5)
Working with Older Browsers	353	(1)
Session 7.1 Quick Check	354	(1)
Session 7.2	354	(1)
Working with Form Validation	354	(5)
Submitting a Form	355	(3)
Resetting a Form	358	(1)
Working with Text Strings	359	(9)
The string object	360	(1)
Calculating the length of a text string	360	(2)
Working with string object methods	362	(5)
Formatting text strings	367	(1)
Session 7.2 Quick Check	368	(1)
Session 7.3	369	(1)
Introducing Regular Expressions	369	(16)
Creating a regular expression	369	(1)
Matching a substring	370	(1)
Setting regular expression flags	371	(1)
Defining character positions	372	(2)
Defining character types and character classes	374	(4)
Repeating characters	378	(2)
Escape sequences	380	(1)
Alternate Patterns and Grouping	381	(3)
The regular expression object constructor	384	(1)
Working with the Regular Expression Object	385	(4)
Regular Expression methods	385	(2)
Validating a ZIP code	387	(2)
Validating Financial Information	389	(8)
Removing blank spaces from credit card numbers	391	(1)
Validating credit card number patterns	391	(3)
The Luhn Formula	394	(3)
Passing Data Between Forms	397	(3)
Appending data to a URL	397	(1)
Appending and retrieving form data	398	(2)
Tips for Validating Forms	400	(1)
Session 7.3 Quick Check	401	(1)
Tutorial Summary	401	(1)
Key Terms	401	(1)
Review Assignments	402	(3)
Case Problems	405	(10)
Quick Check Answers	415	(2)
Working with the Event Model	417	(60)
Games Etc	417	(1)
Session 8.1	418	(1)
Working with Events	418	(7)
Event Handlers	420	(2)
Event Handlers as Object Properties	422	(1)
Event Handlers as Script Elements	422	(1)
Using an Event Handler to Cancel an Action	423	(1)
Assigning an Event Handler	424	(1)
Introducing the Internet Explorer Event Model	425	(3)
Event Bubbling	425	(2)
Canceling Event Bubbling	427	(1)
Attaching and Detaching Events	428	(1)
Introducing the DOM Event Model	428	(3)
Creating a Cross-Browser Event Model	431	(1)
Session 8.1 Quick Check	432	(1)
Session 8.2	433	(1)
Working with Event Objects	433	(4)
The Internet Explorer Event Object	433	(1)
The DOM Event Object	434	(3)
Creating the grabIt() Function	437	(4)
Determining the Event Source	438	(1)
Determining the Event Coordinates	438	(2)
Calculating the Distance from the Pointer	440	(1)
Creating the moveIt() Function	441	(2)
Creating the dropIt() Function	443	(1)
Refining the Drag-and-Drop Feature	444	(5)
Keeping Dragged Items on Top	445	(1)
Returning a Dragged Item to Its Starting Point	445	(2)
Canceling the selectStart Event	447	(2)
Session 8.2 Quick Check	449	(1)
Session 8.3	449	(1)
Formatting a Dragged Object	449	(4)
Setting the Cursor Style	449	(3)
Changing the Color	452	(1)
Working with the Double-Click Event	453	(2)
Working with the Mouse Button	455	(1)
Working with Keyboard Events	455	(5)
Capturing a Keyboard Event	456	(1)
Examining Key Codes	457	(1)
Creating the keyDrag() Function	458	(1)
Modifier Keys	459	(1)
Tips for Working with Events	460	(1)
Session 8.3 Quick Check	460	(1)
Tutorial Summary	461	(1)
Key Terms	461	(1)
Review Assignments	461	(5)
Case Problems	466	(9)
Quick Check Answers	475	(2)
Working with Cookies	477	(50)
Patti's Potpourri	477	(1)
Session 9.1	478	(1)
Introducing Cookies	478	(3)
Developing a Shopping Cart Application	480	(1)
Understanding Cookies	481	(5)
Types of Cookies	482	(1)
Setting Cookie Options in a Browser	482	(4)
Creating a Cookie	486	(4)
The name and value Properties	486	(2)
The expires Property	488	(1)
The path Property	489	(1)
The domain Property	489	(1)
The secure Property	490	(1)
Session 9.1 Quick Check	490	(1)
Session 9.2	491	(1)
Working with Cookie Values	491	(1)
Extracting Cookie Values	491	(6)
Populating Form Fields with Cookie Values	494	(1)
Using Cookie Values to Create a Personalized Greeting	495	(2)
Implementing a Shopping Cart	497	(8)
Displaying Shopping Cart Contents	502	(3)
Session 9.2 Quick Check	505	(1)
Session 9.3	506	(1)
Form Control Using Cookies	506	(1)
Preserving Form Data	506	(2)
Creating a Form Feedback Page	508	(4)
Deleting Cookies	512	(3)
Session 9.3 Quick Check	515	(1)
Tutorial Summary	515	(1)
Key Terms	515	(1)
Review Assignment	515	(2)
Case Problems	517	(5)
Quick Check Answers	522	(5)
Working with Dynamic Content and Styles	527	(1)
MidWest University Dept. of History	527	(1)
Session 10.1	528	(1)
Introducing Dynamic Content	528	(5)
Inserting HTML Content into an Element	530	(1)
Dynamic Content in Internet Explorer	531	(2)
Working with Nodes	533	(8)
The Node Tree	533	(2)
Node types, names, and values	535	(3)
Creating and Attaching Nodes	538	(3)
Creating a List of Heading Elements	541	(5)
Looping Through the Child Node Collection	542	(1)
Matching the Heading Elements	543	(1)
Creating the List Item Elements	544	(2)
Session 10.1 Quick Check	546	(1)
Session 10.2	547	(1)
Creating a Nested List	547	(8)
Working with Attributes	555	(6)
Attribute Nodes	555	(2)
Attributes as Object Properties	557	(1)
Setting the Section Heading Ids	557	(1)
Inserting Links	558	(3)
Session 10.2 Quick Check	561	(1)
Session 10.3	561	(1)
Expanding and Collapsing a Document	561	(17)
Creating a Plus/Minus Box	562	(2)
Adding Event Handlers to the Plus/Minus Boxes	564	(2)
Hiding and Displaying Objects	566	(2)
Expanding and Collapsing the Document	568	(5)
Testing the Dynamic TOC	573	(2)
Traversing the Node Tree using Recursion	575	(3)
Working with Style Sheets	578	(5)
Working with the link element	579	(2)
The Style Sheet Collection	581	(1)
Working with Style Sheet Rules	582	(1)
Tips for Working with Dynamic Content and Styles	583	(1)
Session 10.3 Quick Check	584	(1)
Tutorial Summary	584	(1)
Key Terms	584	(1)
Review Assignments	585	(3)
Case Problems	588	(10)
Quick Check Answers	598
Appendix A HTML and XHTML Elements and Attributes	2	(31)
General Attributes	2	(6)
Core Attributes	2	(1)
Language Attributes	2	(1)
Form Attributes	3	(1)
Internet Explorer Attributes	3	(1)
Event Attributes	4	(1)
Core Events	4	(1)
Document Events	4	(1)
Form Events	5	(1)
Data Events	5	(1)
Internet Explorer Events	6	(2)
HTML and XHTML Elements and Attributes	8	(25)
Appendix B Cascading Style Sheets	33	(10)
Selectors	33	(1)
Pseudo-Elements and Pseudo-Classes	34	(1)
@Rules	35	(1)
Miscellaneous Syntax	35	(1)
Units	35	(2)
Attributes and Values	37	(6)
Appendix C JavaScript	43	(22)
Appendix D JavaScript	65	(2)
Appendix E Creating Dynamic Web Pages with Netscape 4	67	(16)
Working with Layers	68	(2)
Setting the Layer Size	68	(1)
Displaying an External Document in a Layer	69	(1)
Using Inline Layers and Working with Non-Layer Content	69	(1)
Working with Non-Layer Content	69	(1)
Working with Netscape 4 Objects	70	(1)
Referencing Page Objects	70	(1)
Referencing Nested Objects	71	(1)
Referencing Objects by their Tag Name	71	(1)
Working with Object Styles	71	(3)
Stacking Objects on a Web Page	72	(1)
Controlling Object Visibility	72	(1)
Overflow and Clipping	73	(1)
Netscape 4 Layer Methods	73	(1)
Writing Dynamic Content in the Netscape 4 DOM	74	(2)
Changing the Source of a Layer	75	(1)
Text Rollovers with Netscape 4	75	(1)
Exploring the Netscape 4 Event Model	76	(7)
Event Handlers	76	(1)
Event Propagation in Netscape 4	76	(1)
Capturing an Event	77	(1)
Assigning a Function to an Event	78	(1)
Releasing an Event	78	(1)
Routing Events to their Targets	78	(1)
Redirecting Events	79	(1)
The Netscape 4 Event Object	79	(1)
Keyboard Keys and Buttons	80	(3)
Appendix F Debugging your JavaScript Code	83	(10)
Load-time Errors	84	(1)
Run-time Errors	84	(1)
Logical Errors	85	(1)
Debugging a Program	85	(2)
Using Alert Boxes	85	(1)
Using the Status Bar	86	(1)
Using a Debug Window	86	(1)
Catching Errors	87	(6)
The onerror Event Handler	87	(1)
The try...catch Structure	88	(1)
The error Object	88	(2)
Throwing an Error or Exception	90	(1)
The finally Statement	91	(2)
Glossary/Index	93