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JavaScript in 24 Hours, Sams Teach Yourself, 5th Edition
- By Phil Ballard, Michael Moncur
- Published Nov 9, 2012 by Sams. Part of the Sams Teach Yourself series.
Book
- Sorry, this book is no longer in print.
Description
- Copyright 2013
- Edition: 5th
- Book
- ISBN-10: 0-672-33608-1
- ISBN-13: 978-0-672-33608-9
Learn JavaScript in 24 Hours
Covers JavaScript 1.8+, Ajax and jQueryIn just 24 lessons of one hour or less, you can learn how to create dynamic, interactive Web pages with the popular and ubiquitous JavaScript web programming language.
Learn how to…
- Use JavaScript to build dynamic, interactive Web pages
- Debug scripts
- Create scripts that work in all browsers
- Work with HTML5 and CSS3
- Leverage the popular jQuery library
- Control CSS with simple JavaScripts
- Add Ajax effects to your web pages
- Script animations and music
Step-by-step instructions carefully walk you through the most common JavaScript programming tasks
Quizzes at end of every chapter help you build and test your knowledge
Interactive online exercises let you practice what you learn at the Codecademy web site with no downloads or installation needed
Sams Publishing has teamed up with Codecademy — the online place where anyone can learn and teach coding — to provide readers of Sams Teach Yoruself JavaScript in 24 Hours with an exclusive area on the Codecademy web site where you can supplement what you've learned in this book with some fun, fully interactive exercises and projects. After reading a lesson in the book you can roll up your sleeves and get some hands-on coding experience at codecademy.com/tracks/teachyourself
Sample Content
Online Sample Chapter
Sample Pages
Download the sample pages (includes Chapter 3 and Index)
Table of Contents
Introduction 1
Who This Book Is For 1
The Aims of This Book 1
Conventions Used 2
Q&A, Quiz, and Exercises 2
How the Book Is Organized 2
Tools You’ll Need 3
PART I: First Steps with JavaScript 5
HOUR 1: Introducing JavaScript 7
Web Scripting Fundamentals 7
Server- Versus Client-Side Programming 8
JavaScript in a Nutshell 8
Where JavaScript Came From 9
The <script> Tag 10
Introducing the DOM 11
Talking to the User 13
Summary 17
Q&A 18
Workshop 18
Exercises 19
HOUR 2: Writing Simple Scripts 21
Including JavaScript in Your Web Page 21
JavaScript Statements 23
Variables 24
Operators 26
Capturing Mouse Events 30
Summary 33
Q&A 34
Workshop 34
Exercises 35
HOUR 3: Using Functions 37
General Syntax 37
Calling Functions 38
Arguments 40
Returning Values from Functions 43
Scope of Variables 44
Summary 46
Q&A 47
Workshop 47
Exercises 48
HOUR 4: DOM Objects and Built-In Objects 49
Interacting with the User 49
Selecting Elements by Their id 51
Accessing Browser History 52
Using the location Object 53
Browser Information—The navigator Object 54
Dates and Times 57
Simplifying Calculation with the Math Object 59
Summary 64
Q&A 65
Workshop 65
Exercises 66
HOUR 5: Different Types of Data 67
Numbers 67
Strings 70
Boolean Values 73
Arrays 74
Summary 79
Q&A 80
Workshop 80
Exercises 81
PART II: More Advanced JavaScript 83
HOUR 6: Scripts That Do More 85
Conditional Statements 85
Loops and Control Structures 90
Debugging Your Scripts 94
Summary 100
Q&A 101
Workshop 101
Exercises 102
HOUR 7: Object Oriented Programming 103
What Is Object Oriented Programming (OOP)? 103
Object Creation 104
Extending and Inheriting Objects Using prototype 111
Encapsulation 115
Using Feature Detection 116
Summary 118
Q&A 119
Workshop 119
Exercises 120
HOUR 8: Meet JSON 121
What Is JSON? 121
Accessing JSON Data 123
Data Serialization with JSON 124
JSON Data Types 126
Simulating Associative Arrays 127
Creating Objects with JSON 127
JSON Security 131
Summary 132
Q&A 133
Workshop 133
Exercises 134
HOUR 9: Responding to Events 135
Understanding Event Handlers 135
Default Actions 138
The event Object 141
Cross-Browser Event Handlers 142
Advanced Event Handler Registration 146
Summary 151
Q&A 152
Workshop 152
Exercises 153
HOUR 10: JavaScript and Cookies 155
What Are Cookies? 155
The document.cookie Property 156
Cookie Ingredients 157
Writing a Cookie 158
A Function to Write a Cookie 159
Reading a Cookie 161
Deleting Cookies 162
Setting Multiple Values in a Single Cookie 165
Summary 166
Q&A 166
Workshop
Exercises 168
PART III: Working with the Document Object Model (DOM) 169
HOUR 11: Navigating the DOM 171
DOM Nodes 171
Selecting Elements with getElementsByTagName() 177
Reading an Element’s Attributes 179
Mozilla’s DOM Inspector 180
Summary 181
Q&A 182
Workshop 182
Exercises 183
HOUR 12: Scripting the DOM 185
Creating New Nodes 185
Manipulating Child Nodes 187
Editing Element Attributes 191
Dynamically Loading JavaScript Files 192
Summary 198
Q&A 199
Workshop 199
Exercises 200
HOUR 13: JavaScript and CSS 201
A Ten Minute CSS Primer 201
The DOM style Property 204
Accessing Classes Using className 207
The DOM styleSheets Object 209
Summary 214
Q&A 215
Workshop 215
Exercises 216
HOUR 14: Good Coding Practice 217
Don’t Overuse JavaScript 217
Writing Readable and Maintainable Code 218
Graceful Degradation 221
Progressive Enhancement 222
Unobtrusive JavaScript 223
Feature Detection 226
Handling Errors Well 227
Summary 231
Q&A 232
Workshop 232
Exercises 233
HOUR 15: Graphics and Animation 235
Preloading Images 235
Animating Page Elements 236
Animating Transparency 238
CSS3 Transitions, Transformations, and Animations 239
Scripting DOM Positioning 240
Optimizing Performance 242
Summary 245
Q&A 246
Workshop 246
Exercises 247
PART IV: Ajax 249
HOUR 16: Introducing Ajax 251
The Anatomy of Ajax 251
The XMLHttpRequest Object 256
Creating Instances of XMLHttpRequest 256
Sending the Server Request 260
Monitoring Server Status 263
Callback Functions 264
responseText and responseXML Properties 265
Summary 269
Q&A 270
Workshop 270
Exercises 271
HOUR 17: Creating a Simple Ajax Library 273
An Ajax Library 273
Implementing the Library 274
Using the Library 278
Summary 284
Q&A 285
Workshop 285
Exercises 286
HOUR 18: Solving Ajax Problems 287
Debugging Ajax Applications 287
Common Ajax Errors 292
Some Programming Gotchas 297
Summary 298
Q&A 299
Workshop 299
Exercises 300
PART V: Using JavaScript Libraries 301
HOUR 19: Making Life Easier with Libraries 303
Why Use a Library? 303
What Sorts of Things Can Libraries Do? 304
Some Popular Libraries 305
Introducing prototype.js 306
Summary 313
Q&A 314
Workshop 314
Exercises 315
HOUR 20: A Closer Look at jQuery 317
Including jQuery in Your Pages 317
jQuery’s $(document).ready Handler 318
Selecting Page Elements 319
Working with HTML Content 320
Showing and Hiding Elements 321
Animating Elements 322
Command Chaining 324
Handling Events 328
Using jQuery to Implement Ajax 328
Summary 332
Q&A 333
Workshop 333
Exercises 334
HOUR 21: The jQuery UI User Interface Library 335
What jQuery UI Is All About 335
How to Include jQuery UI in Your Pages 336
Interactions 337
Using Widgets 343
Summary 348
Q&A 349
Workshop 349
Exercises 350
PART VI: Using JavaScript with Other Web Technologies 351
HOUR 22: JavaScript and Multimedia 353
Multimedia Formats 353
Browser Plug-Ins 355
Using an Anchor Tag 356
Using <embed> and <object> 356
Flash 358
Summary 362
Q&A 363
Workshop 363
Exercises 364
HOUR 23: HTML5 and JavaScript 365
New Markup for HTML5 365
Some Important New Elements 366
Drag and Drop 373
Local Storage 376
Working with Local Files 377
Summary 379
Q&A 380
Workshop 380
Exercises 381
HOUR 24: JavaScript Beyond the Web Page 383
JavaScript Outside the Browser 383
Writing Google Chrome Extensions 384
Summary 394
Q&A 395
Workshop 395
Exercises 396
PART VII: Appendices 397
APPENDIX A: Tools for JavaScript Development 399
Editors 399
Validators 400
Debugging and Verifying Tools 401
APPENDIX B: JavaScript Quick Reference 403
Index 411