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JavaScript Absolute Beginner's Guide
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E-book, blz. | Engels
Pearson Education | e druk, 2021
ISBN13: 9780136204350
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Pearson Education e druk, 2021 9780136204350
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Samenvatting

JavaScript Absolute Beginner's Guide is a quick, easy-to-understand, light-hearted introduction to JavaScript for non-programmers. JavaScript has become a vital complement to HTML5 and CSS3 web development – any web designer or developer needs an understanding of at least basic JavaScript

A new, easily accessible entry-level JavaScript tutorial for the reader with absolutely no programming background.

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Specificaties

ISBN13:9780136204350
Taal:Engels
Bindwijze:e-book
Uitgever:Pearson Education

Inhoudsopgave

<div> Introduction&nbsp; &nbsp; &nbsp;1 </div> <div> <br> </div> <div> Parlez-vous JavaScript?&nbsp; &nbsp; &nbsp;2 </div> <div> <br> </div> <div> Contacting Me/Getting Help&nbsp; &nbsp; &nbsp;3 </div> <div> <br> </div> <div> Chapter 1&nbsp; Hello, World!&nbsp; &nbsp; &nbsp;5 </div> <div> <br> </div> <div> What Is JavaScript?&nbsp; &nbsp; &nbsp;7 </div> <div> <br> </div> <div> Hello, World!&nbsp; &nbsp; &nbsp;8 </div> <div> <br> </div> <div> &nbsp; &nbsp; The HTML Document&nbsp; &nbsp; &nbsp;8 </div> <div> <br> </div> <div> Looking at the Code: Statements and Functions&nbsp; &nbsp; &nbsp;11 </div> <div> <br> </div> <div> PART I:&nbsp; THE BASIC STUFF </div> <div> <br> </div> <div> Chapter 2&nbsp; Values and Variables&nbsp; &nbsp; &nbsp;15 </div> <div> <br> </div> <div> Using Variables&nbsp; &nbsp; &nbsp;16 </div> <div> <br> </div> <div> More Variable Stuff&nbsp; &nbsp; &nbsp;17 </div> <div> <br> </div> <div> &nbsp; &nbsp; Naming Variables&nbsp; &nbsp; &nbsp;17 </div> <div> <br> </div> <div> &nbsp; &nbsp; More on Declaring and Initializing Variables&nbsp; &nbsp; &nbsp;18 </div> <div> <br> </div> <div> Chapter 3&nbsp; Functions&nbsp; &nbsp; &nbsp;21 </div> <div> <br> </div> <div> What Is a Function?&nbsp; &nbsp; &nbsp;23 </div> <div> <br> </div> <div> A Simple Function&nbsp; &nbsp; &nbsp;24 </div> <div> <br> </div> <div> Creating a Function that Takes Arguments&nbsp; &nbsp; &nbsp;28 </div> <div> <br> </div> <div> Creating a Function that Returns Data&nbsp; &nbsp; &nbsp;33 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Return Keyword&nbsp; &nbsp; &nbsp;33 </div> <div> <br> </div> <div> &nbsp; &nbsp; Exiting the Function Early&nbsp; &nbsp; &nbsp;34 </div> <div> <br> </div> <div> Chapter 4&nbsp; Conditional Statements: If, Else, and Switch&nbsp; &nbsp; &nbsp;37 </div> <div> <br> </div> <div> The If / Else Statement&nbsp; &nbsp; &nbsp;39 </div> <div> <br> </div> <div> &nbsp; &nbsp; Meet the Conditional Operators&nbsp; &nbsp; &nbsp;41 </div> <div> <br> </div> <div> &nbsp; &nbsp; Creating More Complex Expressions&nbsp; &nbsp; &nbsp;44 </div> <div> <br> </div> <div> &nbsp; &nbsp; Variations on the If / Else Statement&nbsp; &nbsp; &nbsp;45 </div> <div> <br> </div> <div> &nbsp; &nbsp; Phew&nbsp; &nbsp; &nbsp;47 </div> <div> <br> </div> <div> Switch Statements&nbsp; &nbsp; &nbsp;47 </div> <div> <br> </div> <div> &nbsp; &nbsp; Using a Switch Statement&nbsp; &nbsp; &nbsp;47 </div> <div> <br> </div> <div> &nbsp; &nbsp; Similarity to an If/Else Statement&nbsp; &nbsp; &nbsp;51 </div> <div> <br> </div> <div> Deciding Which to Use&nbsp; &nbsp; &nbsp;53 </div> <div> <br> </div> <div> Chapter 5&nbsp; Looping with For, While, and Do…While!&nbsp; &nbsp; &nbsp;55 </div> <div> <br> </div> <div> The for Loop&nbsp; &nbsp; &nbsp;57 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Starting Point&nbsp; &nbsp; &nbsp;61 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Step&nbsp; &nbsp; &nbsp;61 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Condition (aka How Long to Keep Looping)&nbsp; &nbsp; &nbsp;62 </div> <div> <br> </div> <div> &nbsp; &nbsp; Putting It All Together&nbsp; &nbsp; &nbsp;62 </div> <div> <br> </div> <div> Some for Loop Examples&nbsp; &nbsp; &nbsp;63 </div> <div> <br> </div> <div> &nbsp; &nbsp; Breaking a Loop&nbsp; &nbsp; &nbsp;63 </div> <div> <br> </div> <div> &nbsp; &nbsp; Skipping an Iteration&nbsp; &nbsp; &nbsp;64 </div> <div> <br> </div> <div> &nbsp; &nbsp; Going Backwards&nbsp; &nbsp; &nbsp;64 </div> <div> <br> </div> <div> &nbsp; &nbsp; You Don't Have to Use Numbers&nbsp; &nbsp; &nbsp;65 </div> <div> <br> </div> <div> &nbsp; &nbsp; Oh, No He Didn't!&nbsp; &nbsp; &nbsp;65 </div> <div> <br> </div> <div> The Other Loops&nbsp; &nbsp; &nbsp;66 </div> <div> <br> </div> <div> &nbsp; &nbsp; The while Loop&nbsp; &nbsp; &nbsp;66 </div> <div> <br> </div> <div> &nbsp; &nbsp; The do…while Loop&nbsp; &nbsp; &nbsp;66 </div> <div> <br> </div> <div> Chapter 6&nbsp; Commenting Your Code...!&nbsp; &nbsp; &nbsp;69 </div> <div> <br> </div> <div> What Are Comments?&nbsp; &nbsp; &nbsp;70 </div> <div> <br> </div> <div> &nbsp; &nbsp; Single Line Comments&nbsp; &nbsp; &nbsp;71 </div> <div> <br> </div> <div> &nbsp; &nbsp; Multi-Line Comments&nbsp; &nbsp; &nbsp;72 </div> <div> <br> </div> <div> Commenting Best Practices&nbsp; &nbsp; &nbsp;73 </div> <div> <br> </div> <div> Chapter 7&nbsp; Timers&nbsp; &nbsp; &nbsp;77 </div> <div> <br> </div> <div> Delaying with setTimeout&nbsp; &nbsp; &nbsp;78 </div> <div> <br> </div> <div> &nbsp; &nbsp; Looping with setInterval&nbsp; &nbsp; &nbsp;79 </div> <div> <br> </div> <div> &nbsp; &nbsp; Animating Smoothly with requestAnimationFrame&nbsp; &nbsp; &nbsp;80 </div> <div> <br> </div> <div> Chapter 8&nbsp; Variable Scope&nbsp; &nbsp; &nbsp;83 </div> <div> <br> </div> <div> Global Scope&nbsp; &nbsp; &nbsp;84 </div> <div> <br> </div> <div> Local Scope&nbsp; &nbsp; &nbsp;86 </div> <div> <br> </div> <div> Miscellaneous Scoping Shenanigans&nbsp; &nbsp; &nbsp;87 </div> <div> <br> </div> <div> Block Scoping&nbsp; &nbsp; &nbsp;87 </div> <div> <br> </div> <div> &nbsp; &nbsp; How JavaScript Processes Variables&nbsp; &nbsp; &nbsp;90 </div> <div> <br> </div> <div> &nbsp; &nbsp; Closures&nbsp; &nbsp; &nbsp;92 </div> <div> <br> </div> <div> Chapter 9&nbsp; Closures&nbsp; &nbsp; &nbsp;93 </div> <div> <br> </div> <div> Functions within Functions&nbsp; &nbsp; &nbsp;94 </div> <div> <br> </div> <div> When the Inner Functions Aren't Self-Contained&nbsp; &nbsp; &nbsp;98 </div> <div> <br> </div> <div> Chapter 10&nbsp; Where Should Your Code Live?&nbsp; &nbsp; &nbsp;105 </div> <div> <br> </div> <div> Approach #1: All the Code Lives in Your HTML Document&nbsp; &nbsp; &nbsp;109 </div> <div> <br> </div> <div> Approach #2: The Code Lives in a Separate File&nbsp; &nbsp; &nbsp;110 </div> <div> <br> </div> <div> &nbsp; &nbsp; The JavaScript File&nbsp; &nbsp; &nbsp;110 </div> <div> <br> </div> <div> &nbsp; &nbsp; Referencing the JavaScript File&nbsp; &nbsp; &nbsp;111 </div> <div> <br> </div> <div> So…Which Approach to Use?&nbsp; &nbsp; &nbsp;114 </div> <div> <br> </div> <div> &nbsp; &nbsp; Yes, My Code Will Be Used on Multiple Documents!&nbsp; &nbsp; &nbsp;114 </div> <div> <br> </div> <div> &nbsp; &nbsp; No, My Code Is Used Only Once on a Single HTML Document!&nbsp; &nbsp; &nbsp;116 </div> <div> <br> </div> <div> PART II:&nbsp; IT'S AN OBJECT-ORIENTED WORLD </div> <div> <br> </div> <div> Chapter 11&nbsp; Console Logging Basics&nbsp; &nbsp; &nbsp;119 </div> <div> <br> </div> <div> Meet the Console&nbsp; &nbsp; &nbsp;120 </div> <div> <br> </div> <div> Displaying the Console&nbsp; &nbsp; &nbsp;121 </div> <div> <br> </div> <div> If You Want to Follow Along&nbsp; &nbsp; &nbsp;124 </div> <div> <br> </div> <div> Console Logging 101&nbsp; &nbsp; &nbsp;125 </div> <div> <br> </div> <div> &nbsp; &nbsp; Meet the Log Method&nbsp; &nbsp; &nbsp;125 </div> <div> <br> </div> <div> &nbsp; &nbsp; Going Beyond Predefined Text&nbsp; &nbsp; &nbsp;127 </div> <div> <br> </div> <div> &nbsp; &nbsp; Displaying Warnings and Errors&nbsp; &nbsp; &nbsp;128 </div> <div> <br> </div> <div> Chapter 12&nbsp; Of Pizza, Types, Primitives, and Objects&nbsp; &nbsp; &nbsp;133 </div> <div> <br> </div> <div> Let's First Talk About Pizza&nbsp; &nbsp; &nbsp;134 </div> <div> <br> </div> <div> From Pizza to JavaScript!&nbsp; &nbsp; &nbsp;136 </div> <div> <br> </div> <div> What Are Objects?&nbsp; &nbsp; &nbsp;138 </div> <div> <br> </div> <div> The Predefined Objects Roaming Around in JavaScript&nbsp; &nbsp; &nbsp;140 </div> <div> <br> </div> <div> Chapter 13&nbsp; Arrays&nbsp; &nbsp; &nbsp;143 </div> <div> <br> </div> <div> Creating an Array&nbsp; &nbsp; &nbsp;144 </div> <div> <br> </div> <div> Accessing Array Values&nbsp; &nbsp; &nbsp;145 </div> <div> <br> </div> <div> Adding Items to Your Array&nbsp; &nbsp; &nbsp;147 </div> <div> <br> </div> <div> Removing Items from the Array&nbsp; &nbsp; &nbsp;149 </div> <div> <br> </div> <div> Finding Items in the Array&nbsp; &nbsp; &nbsp;150 </div> <div> <br> </div> <div> Merging Arrays&nbsp; &nbsp; &nbsp;150 </div> <div> <br> </div> <div> Mapping, Filtering, and Reducing Arrays&nbsp; &nbsp; &nbsp;151 </div> <div> <br> </div> <div> The Old School Way&nbsp; &nbsp; &nbsp;151 </div> <div> <br> </div> <div> Modifying Each Array Item with Map&nbsp; &nbsp; &nbsp;152 </div> <div> <br> </div> <div> Filtering Items&nbsp; &nbsp; &nbsp;154 </div> <div> <br> </div> <div> Getting One Value from an Array of Items&nbsp; &nbsp; &nbsp;155 </div> <div> <br> </div> <div> A Short Foray into Functional Programming&nbsp; &nbsp; &nbsp;157 </div> <div> <br> </div> <div> Chapter 14&nbsp; Strings&nbsp; &nbsp; &nbsp;159 </div> <div> <br> </div> <div> The Basics&nbsp; &nbsp; &nbsp;160 </div> <div> <br> </div> <div> String Properties and Methods&nbsp; &nbsp; &nbsp;161 </div> <div> <br> </div> <div> &nbsp; &nbsp; Accessing Individual Characters&nbsp; &nbsp; &nbsp;161 </div> <div> <br> </div> <div> &nbsp; &nbsp; Combining (aka Concatenating) Strings&nbsp; &nbsp; &nbsp;163 </div> <div> <br> </div> <div> &nbsp; &nbsp; Getting Substrings out of Strings&nbsp; &nbsp; &nbsp;164 </div> <div> <br> </div> <div> &nbsp; &nbsp; Splitting a String/split&nbsp; &nbsp; &nbsp;165 </div> <div> <br> </div> <div> &nbsp; &nbsp; Finding Something Inside a String&nbsp; &nbsp; &nbsp;166 </div> <div> <br> </div> <div> &nbsp; &nbsp; Upper and Lower Casing Strings&nbsp; &nbsp; &nbsp;168 </div> <div> <br> </div> <div> Chapter 15&nbsp; When Primitives Behave Like Objects&nbsp; &nbsp; &nbsp;169 </div> <div> <br> </div> <div> Strings Aren't the Only Problem&nbsp; &nbsp; &nbsp;170 </div> <div> <br> </div> <div> Let's Pick on Strings Anyway&nbsp; &nbsp; &nbsp;170 </div> <div> <br> </div> <div> Why This Matters&nbsp; &nbsp; &nbsp;172 </div> <div> <br> </div> <div> Chapter 16&nbsp; Numbers&nbsp; &nbsp; &nbsp;175 </div> <div> <br> </div> <div> Using a Number&nbsp; &nbsp; &nbsp;176 </div> <div> <br> </div> <div> Operators&nbsp; &nbsp; &nbsp;176 </div> <div> <br> </div> <div> &nbsp; &nbsp; Doing Simple Math&nbsp; &nbsp; &nbsp;177 </div> <div> <br> </div> <div> Incrementing and Decrementing&nbsp; &nbsp; &nbsp;177 </div> <div> <br> </div> <div> Hexadecimal and Octal Values&nbsp; &nbsp; &nbsp;179 </div> <div> <br> </div> <div> Special Values—Infinity and NaN&nbsp; &nbsp; &nbsp;180 </div> <div> <br> </div> <div> &nbsp; &nbsp; Infinity&nbsp; &nbsp; &nbsp;180 </div> <div> <br> </div> <div> &nbsp; &nbsp; NaN&nbsp; &nbsp; &nbsp;180 </div> <div> <br> </div> <div> The Math Object&nbsp; &nbsp; &nbsp;180 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Constants&nbsp; &nbsp; &nbsp;181 </div> <div> <br> </div> <div> &nbsp; &nbsp; Rounding Numbers&nbsp; &nbsp; &nbsp;182 </div> <div> <br> </div> <div> &nbsp; &nbsp; Trigonometric Functions&nbsp; &nbsp; &nbsp;183 </div> <div> <br> </div> <div> &nbsp; &nbsp; Powers and Square Roots&nbsp; &nbsp; &nbsp;184 </div> <div> <br> </div> <div> &nbsp; &nbsp; Getting the Absolute Value&nbsp; &nbsp; &nbsp;185 </div> <div> <br> </div> <div> Random Numbers&nbsp; &nbsp; &nbsp;185 </div> <div> <br> </div> <div> Chapter 17&nbsp; Getters and Setters&nbsp; &nbsp; &nbsp;187 </div> <div> <br> </div> <div> A Tale of Two Properties&nbsp; &nbsp; &nbsp;188 </div> <div> <br> </div> <div> Meet Getters and Setters&nbsp; &nbsp; &nbsp;190 </div> <div> <br> </div> <div> &nbsp; &nbsp; Shout Generator&nbsp; &nbsp; &nbsp;191 </div> <div> <br> </div> <div> &nbsp; &nbsp; Logging Activity&nbsp; &nbsp; &nbsp;191 </div> <div> <br> </div> <div> &nbsp; &nbsp; Property Value Validation&nbsp; &nbsp; &nbsp;192 </div> <div> <br> </div> <div> Chapter 18&nbsp; A Deeper Look at Objects&nbsp; &nbsp; &nbsp;195 </div> <div> <br> </div> <div> Meet the Object&nbsp; &nbsp; &nbsp;196 </div> <div> <br> </div> <div> &nbsp; &nbsp; Creating Objects&nbsp; &nbsp; &nbsp;197 </div> <div> <br> </div> <div> &nbsp; &nbsp; Adding Properties&nbsp; &nbsp; &nbsp;197 </div> <div> <br> </div> <div> &nbsp; &nbsp; Removing Properties&nbsp; &nbsp; &nbsp;200 </div> <div> <br> </div> <div> &nbsp; &nbsp; What Is Going on Behind the Scenes?&nbsp; &nbsp; &nbsp;201 </div> <div> <br> </div> <div> Creating Custom Objects&nbsp; &nbsp; &nbsp;205 </div> <div> <br> </div> <div> The this Keyword&nbsp; &nbsp; &nbsp;209 </div> <div> <br> </div> <div> Chapter 19&nbsp; Extending Built-in Objects&nbsp; &nbsp; &nbsp;213 </div> <div> <br> </div> <div> Say Hello to prototype…again—Sort of!&nbsp; &nbsp; &nbsp;214 </div> <div> <br> </div> <div> Extending Built-in Objects is Controversial&nbsp; &nbsp; &nbsp;219 </div> <div> <br> </div> <div> &nbsp; &nbsp; You Don't Control the Built-in Object's Future&nbsp; &nbsp; &nbsp;219 </div> <div> <br> </div> <div> &nbsp; &nbsp; Some Functionality Should Not Be Extended or Overridden&nbsp; &nbsp; &nbsp;219 </div> <div> <br> </div> <div> Chapter 20&nbsp; Using Classes&nbsp; &nbsp; &nbsp;221 </div> <div> <br> </div> <div> The Class Syntax and Object Creation&nbsp; &nbsp; &nbsp;222 </div> <div> <br> </div> <div> &nbsp; &nbsp; Creating an Object&nbsp; &nbsp; &nbsp;222 </div> <div> <br> </div> <div> &nbsp; &nbsp; Meet the Constructor&nbsp; &nbsp; &nbsp;224 </div> <div> <br> </div> <div> &nbsp; &nbsp; What Goes Inside the Class&nbsp; &nbsp; &nbsp;226 </div> <div> <br> </div> <div> Extending Objects&nbsp; &nbsp; &nbsp;229 </div> <div> <br> </div> <div> Chapter 21&nbsp; Booleans and the Stricter === and !== Operators&nbsp; &nbsp; &nbsp;237 </div> <div> <br> </div> <div> The Boolean Object&nbsp; &nbsp; &nbsp;238 </div> <div> <br> </div> <div> The Boolean Function&nbsp; &nbsp; &nbsp;238 </div> <div> <br> </div> <div> Strict Equality and Inequality Operators&nbsp; &nbsp; &nbsp;240 </div> <div> <br> </div> <div> Chapter 22&nbsp; Null and Undefined&nbsp; &nbsp; &nbsp;243 </div> <div> <br> </div> <div> Null&nbsp; &nbsp; &nbsp;244 </div> <div> <br> </div> <div> Undefined&nbsp; &nbsp; &nbsp;244 </div> <div> <br> </div> <div> PART III:&nbsp; Working with the DOM </div> <div> <br> </div> <div> Chapter 23&nbsp; All About JSON (aka JavaScript Object Notation)&nbsp; &nbsp; &nbsp;247 </div> <div> <br> </div> <div> What Is JSON?&nbsp; &nbsp; &nbsp;248 </div> <div> <br> </div> <div> Looking Inside a JSON Object&nbsp; &nbsp; &nbsp;252 </div> <div> <br> </div> <div> &nbsp; &nbsp; Property Names&nbsp; &nbsp; &nbsp;252 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Values&nbsp; &nbsp; &nbsp;253 </div> <div> <br> </div> <div> Reading JSON Data&nbsp; &nbsp; &nbsp;257 </div> <div> <br> </div> <div> &nbsp; &nbsp; Parsing JSON-looking Data into Actual JSON&nbsp; &nbsp; &nbsp;259 </div> <div> <br> </div> <div> Writing JSON Data?&nbsp; &nbsp; &nbsp;259 </div> <div> <br> </div> <div> Chapter 24&nbsp; JS, the Browser, and the Dom&nbsp; &nbsp; &nbsp;261 </div> <div> <br> </div> <div> What HTML, CSS, and JavaScript Do&nbsp; &nbsp; &nbsp;262 </div> <div> <br> </div> <div> HTML Defines the Structure&nbsp; &nbsp; &nbsp;262 </div> <div> <br> </div> <div> Prettify My World, CSS!&nbsp; &nbsp; &nbsp;264 </div> <div> <br> </div> <div> It's JavaScript Time!&nbsp; &nbsp; &nbsp;265 </div> <div> <br> </div> <div> Meet the Document Object Model&nbsp; &nbsp; &nbsp;267 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Window Object&nbsp; &nbsp; &nbsp;269 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Document Object&nbsp; &nbsp; &nbsp;269 </div> <div> <br> </div> <div> Chapter 25&nbsp; Finding Elements in the Dom&nbsp; &nbsp; &nbsp;273 </div> <div> <br> </div> <div> Meet the querySelector Family&nbsp; &nbsp; &nbsp;274 </div> <div> <br> </div> <div> &nbsp; &nbsp; querySelector&nbsp; &nbsp; &nbsp;275 </div> <div> <br> </div> <div> &nbsp; &nbsp; querySelectorAll&nbsp; &nbsp; &nbsp;275 </div> <div> <br> </div> <div> It Really Is the CSS Selector Syntax&nbsp; &nbsp; &nbsp;276 </div> <div> <br> </div> <div> Chapter 26&nbsp; Modifying Dom Elements&nbsp; &nbsp; &nbsp;279 </div> <div> <br> </div> <div> DOM Elements Are Objects—Sort of!&nbsp; &nbsp; &nbsp;280 </div> <div> <br> </div> <div> Let's Actually Modify DOM Elements&nbsp; &nbsp; &nbsp;282 </div> <div> <br> </div> <div> &nbsp; &nbsp; Changing an Element's Text Value&nbsp; &nbsp; &nbsp;284 </div> <div> <br> </div> <div> &nbsp; &nbsp; Attribute Values&nbsp; &nbsp; &nbsp;286 </div> <div> <br> </div> <div> Chapter 27&nbsp; Styling Our Content&nbsp; &nbsp; &nbsp;289 </div> <div> <br> </div> <div> Why Would We Set Styles Using JavaScript?&nbsp; &nbsp; &nbsp;290 </div> <div> <br> </div> <div> A Tale of Two Styling Approaches&nbsp; &nbsp; &nbsp;290 </div> <div> <br> </div> <div> &nbsp; &nbsp; Setting the Style Directly&nbsp; &nbsp; &nbsp;290 </div> <div> <br> </div> <div> &nbsp; &nbsp; Adding and Removing Classes Using JavaScript&nbsp; &nbsp; &nbsp;292 </div> <div> <br> </div> <div> Checking Whether a Class Value Exists&nbsp; &nbsp; &nbsp;294 </div> <div> <br> </div> <div> &nbsp; &nbsp; Going Further&nbsp; &nbsp; &nbsp;294 </div> <div> <br> </div> <div> Chapter 28&nbsp; Traversing the Dom&nbsp; &nbsp; &nbsp;297 </div> <div> <br> </div> <div> Finding Your Way Around&nbsp; &nbsp; &nbsp;298 </div> <div> <br> </div> <div> &nbsp; &nbsp; Dealing with Siblings and Parents&nbsp; &nbsp; &nbsp;301 </div> <div> <br> </div> <div> &nbsp; &nbsp; Let's Have Some Kids!&nbsp; &nbsp; &nbsp;301 </div> <div> <br> </div> <div> Putting It All Together&nbsp; &nbsp; &nbsp;302 </div> <div> <br> </div> <div> &nbsp; &nbsp; Checking If A Child Exists&nbsp; &nbsp; &nbsp;303 </div> <div> <br> </div> <div> &nbsp; &nbsp; Accessing All the Child Elements&nbsp; &nbsp; &nbsp;303 </div> <div> <br> </div> <div> &nbsp; &nbsp; Walking the DOM&nbsp; &nbsp; &nbsp;303 </div> <div> <br> </div> <div> Chapter 29&nbsp; Creating and Removing Dom Elements&nbsp; &nbsp; &nbsp;305 </div> <div> <br> </div> <div> Creating Elements&nbsp; &nbsp; &nbsp;306 </div> <div> <br> </div> <div> Removing Elements&nbsp; &nbsp; &nbsp;314 </div> <div> <br> </div> <div> Cloning Elements&nbsp; &nbsp; &nbsp;315 </div> <div> <br> </div> <div> Chapter 30&nbsp; In-Browser Developer Tools&nbsp; &nbsp; &nbsp;323 </div> <div> <br> </div> <div> Meet the Developer Tools&nbsp; &nbsp; &nbsp;324 </div> <div> <br> </div> <div> &nbsp; &nbsp; Inspecting the DOM&nbsp; &nbsp; &nbsp;326 </div> <div> <br> </div> <div> &nbsp; &nbsp; Debugging JavaScript&nbsp; &nbsp; &nbsp;331 </div> <div> <br> </div> <div> &nbsp; &nbsp; Meet the Console&nbsp; &nbsp; &nbsp;337 </div> <div> <br> </div> <div> &nbsp; &nbsp; Inspecting Objects&nbsp; &nbsp; &nbsp;338 </div> <div> <br> </div> <div> &nbsp; &nbsp; Logging Messages&nbsp; &nbsp; &nbsp;340 </div> <div> <br> </div> <div> PART IV:&nbsp; DEALING WITH EVENTS </div> <div> <br> </div> <div> Chapter 31&nbsp; Events&nbsp; &nbsp; &nbsp;343 </div> <div> <br> </div> <div> What Are Events?&nbsp; &nbsp; &nbsp;344 </div> <div> <br> </div> <div> Events and JavaScript&nbsp; &nbsp; &nbsp;346 </div> <div> <br> </div> <div> &nbsp; &nbsp; 1. Listening for Events&nbsp; &nbsp; &nbsp;346 </div> <div> <br> </div> <div> &nbsp; &nbsp; 2. Reacting to Events&nbsp; &nbsp; &nbsp;348 </div> <div> <br> </div> <div> A Simple Example&nbsp; &nbsp; &nbsp;348 </div> <div> <br> </div> <div> The Event Arguments and the Event Type&nbsp; &nbsp; &nbsp;351 </div> <div> <br> </div> <div> Chapter 32&nbsp; Event Bubbling and Capturing&nbsp; &nbsp; &nbsp;355 </div> <div> <br> </div> <div> Event Goes Down Event Goes Up&nbsp; &nbsp; &nbsp;356 </div> <div> <br> </div> <div> Meet the Phases&nbsp; &nbsp; &nbsp;361 </div> <div> <br> </div> <div> Who Cares?&nbsp; &nbsp; &nbsp;363 </div> <div> <br> </div> <div> Event, Interrupted&nbsp; &nbsp; &nbsp;364 </div> <div> <br> </div> <div> Chapter 33&nbsp; Mouse Events&nbsp; &nbsp; &nbsp;367 </div> <div> <br> </div> <div> Meet the Mouse Events&nbsp; &nbsp; &nbsp;368 </div> <div> <br> </div> <div> &nbsp; &nbsp; Clicking Once and Clicking Twice&nbsp; &nbsp; &nbsp;368 </div> <div> <br> </div> <div> &nbsp; &nbsp; Mousing Over and Mousing Out&nbsp; &nbsp; &nbsp;370 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Very Click-like Mousing Down and Mousing Up Events&nbsp; &nbsp; &nbsp;372 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Event Heard Again…and Again…and Again!&nbsp; &nbsp; &nbsp;373 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Context Menu&nbsp; &nbsp; &nbsp;374 </div> <div> <br> </div> <div> The MouseEvent Properties&nbsp; &nbsp; &nbsp;375 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Global Mouse Position&nbsp; &nbsp; &nbsp;375 </div> <div> <br> </div> <div> &nbsp; &nbsp; The Mouse Position Inside the Browser&nbsp; &nbsp; &nbsp;376 </div> <div> <br> </div> <div> &nbsp; &nbsp; Detecting Which Button Was Clicked&nbsp; &nbsp; &nbsp;377 </div> <div> <br> </div> <div> Dealing with the Mouse Wheel&nbsp; &nbsp; &nbsp;378 </div> <div> <br> </div> <div> Chapter 34&nbsp; Keyboard Events&nbsp; &nbsp; &nbsp;381 </div> <div> <br> </div> <div> Meet the Keyboard Events&nbsp; &nbsp; &nbsp;382 </div> <div> <br> </div> <div> Using These Events&nbsp; &nbsp; &nbsp;383 </div> <div> <br> </div> <div> The Keyboard Event Properties&nbsp; &nbsp; &nbsp;384 </div> <div> <br> </div> <div> Some Examples&nbsp; &nbsp; &nbsp;385 </div> <div> <br> </div> <div> &nbsp; &nbsp; Checking That a Particular Key Was Pressed&nbsp; &nbsp; &nbsp;385 </div> <div> <br> </div> <div> &nbsp; &nbsp; Doing Something When the Arrow Keys Are Pressed&nbsp; &nbsp; &nbsp;386 </div> <div> <br> </div> <div> &nbsp; &nbsp; Detecting Multiple Key Presses&nbsp; &nbsp; &nbsp;386 </div> <div> <br> </div> <div> Chapter 35&nbsp; Page Load Events and Other Stuff&nbsp; &nbsp; &nbsp;391 </div> <div> <br> </div> <div> The Things That Happen During Page Load&nbsp; &nbsp; &nbsp;392 </div> <div> <br> </div> <div> &nbsp; &nbsp; Stage Numero Uno&nbsp; &nbsp; &nbsp;393 </div> <div> <br> </div> <div> &nbsp; &nbsp; Stage Numero Dos&nbsp; &nbsp; &nbsp;393 </div> <div> <br> </div> <div> &nbsp; &nbsp; Stage Numero Three&nbsp; &nbsp; &nbsp;394 </div> <div> <br> </div> <div> The DOMContentLoaded and load Events&nbsp; &nbsp; &nbsp;395 </div> <div> <br> </div> <div> Scripts and Their Location in the DOM&nbsp; &nbsp; &nbsp;397 </div> <div> <br> </div> <div> Script Elements—Async and Defer&nbsp; &nbsp; &nbsp;400 </div> <div> <br> </div> <div> &nbsp; &nbsp; async&nbsp; &nbsp; &nbsp;400 </div> <div> <br> </div> <div> &nbsp; &nbsp; defer&nbsp; &nbsp; &nbsp;400 </div> <div> <br> </div> <div> Chapter 36&nbsp; Handling Events for Multiple Elements&nbsp; &nbsp; &nbsp;405 </div> <div> <br> </div> <div> How to Do All of This&nbsp; &nbsp; &nbsp;407 </div> <div> <br> </div> <div> &nbsp; &nbsp; A Terrible Solution&nbsp; &nbsp; &nbsp;408 </div> <div> <br> </div> <div> &nbsp; &nbsp; A Good Solution&nbsp; &nbsp; &nbsp;409 </div> <div> <br> </div> <div> &nbsp; &nbsp; Putting It All Together&nbsp; &nbsp; &nbsp;412 </div> <div> <br> </div> <div> Chapter 37&nbsp; Conclusion&nbsp; &nbsp; &nbsp;415 </div> <div> <br> </div> <div> Glossary&nbsp; &nbsp; &nbsp;419 </div> <div> <br> </div> <div> Index&nbsp; &nbsp; &nbsp;423 </div> <div> <br> </div>

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