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Book SynopsisCon este libro tiene la posibilidad de aprender JavaScript de manera efectiva y clara. Esta obra está repleta de explicaciones estupendas sobre conceptos de programación y cómo se aplican en JavaScript. Para ayudar a la comprensión, las explicaciones teóricas se ilustran con ejemplos prácticos muy interesantes, de mayor o menor complejidad en función del tema. Así, veremos desde cómo hacer un triángulo, construir una tabla, un robot y un lenguaje de programación hasta un editor de arte con píxeles.Se incluyen explicaciones claras y precisas sobre un tema de programación especialmente difícil: las estructuras de datos. Como no podía ser menos, también se ha dedicado un capítulo a la resolución de errores y fallos. Una herramienta imprescindible. Y, para terminar, se habla del rendimiento del código generado en JavaScript.

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Book SynopsisLearn the basics of JavaScript to enhance your web pages. This book focuses on modern JavaScript programming and encourages a well-organized approach to programming in general. JavaScript for Web Developers explains each foundational concept of the language, followed by a practical implementation of that lesson to reinforce what you've learned. Author Mark Simon starts with the basics of JavaScript programming, followed by a tutorial on manipulating HTML elements. You will then learn to work with forms, along with CSS and Event Listeners. Hands-on projects will not only solidify each concept in your mind, but they will also give you greater confidence and help you absorb best practices. The book concludes with coverage of Ajax, which will enable you to send and retrieve data from a server asynchronously without interfering with the display and behavior of an existing web page. After reading this book, you will be able to use JavaScript to design and program your own web applications. What Will You LearnUnderstand the basics of JavaScript programmingManipulate and modify web pages with JavaScriptUse JavaScript to interact with HTML and CSSWork with data and understand the basics of working with AjaxWho Is This Book ForBeginning web developers with little to no experience using JavaScript.Table of ContentsChapter 1: Working With JavaScript.- Chapter 2: Project — A Simple Guessing Game.- Chapter 3: Manipulating HTML Elements.- Chapter 4: Project — Creating a Slide Show.- Chapter 5: Working with Forms.- Chapter 6: Project — Creating a Custom Calculator Form.- Chapter 7: Interacting with CSS and Event Listeners.- Chapter 8: Project— Showing and Hiding Content.- Chapter 9: Project— Building a Lightbox Gallery.- Chapter 10: Project - An Introduction to Ajax.

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Book SynopsisThe bestselling JavaScript guide, updated with current features and best practices Beginning JavaScript 5th Edition shows you how to work effectively with JavaScript frameworks, functions, and modern browsers, and teaches more effective coding practices using HTML5. This new edition has been extensively updated to reflect the way JavaScript is most commonly used today, introducing you to the latest tools and techniques available to JavaScript developers. Coverage includes modern coding practices using HTML5 markup, the JSON data format, DOM APIs, the jQuery framework, and more. Exercises with solutions provide plenty of opportunity to practice, and the companion website offers downloadable code for all examples given in the book. Learn JavaScript using the most up to date coding style Understand JSON, functions, events, and feature detection Utilize the new HTML5 elements and the related API Explore new features includingTable of ContentsIntroduction xix Chapter 1: Introduction to Javascript and the Web 1 Introduction to JavaScript 1 What is JavaScript? 2 JavaScript and the Web 3 What Can JavaScript Do for Me? 4 Tools Needed to Create JavaScript Web Applications 4 Development Tools 4 Web Browsers 5 Where Do My Scripts Go? 7 Linking to an External JavaScript File 7 Advantages of Using an External File 8 Your First Simple JavaScript Program 9 Writing More JavaScript 10 A Brief Look at Browsers and Compatibility Problems 15 Summary 16 Chapter 2: Data Types and Variables 17 Types of Data in JavaScript 18 Numerical Data 18 Text Data 19 Boolean Data 20 Variables—Storing Data in Memory 20 Creating Variables and Giving Them Values 22 Assigning Variables with the Value of Other Variables 24 Using Data—Calculations and Basic String Manipulation 26 Numerical Calculations 26 Increment and Decrement Operators 29 Operator Precedence 30 Basic String Operations 35 Mixing Numbers and Strings 37 Data Type Conversion 38 Dealing with Strings That Won’t Convert 41 Arrays 43 A Multi‐Dimensional Array 47 Summary 52 Chapter 3: Decisions and Loops 55 Decision Making—The if and switch Statements 56 Comparison Operators 56 Precedence 57 Assignment versus Comparison 57 Assigning the Results of Comparisons 58 The if Statement 58 Logical Operators 62 AND 63 OR 64 NOT 64 Multiple Conditions Inside an if Statement 65 else and else if 69 Comparing Strings 70 The switch Statement 71 Executing the Same Code for Different Cases 75 Looping—The for and while Statements 76 The for Loop 76 The for…in Loop 80 The while Loop 80 The do…while loop 82 The break and continue Statements 83 Summary 84 Chapter 4: Functions and Scope 87 Creating Your Own Functions 88 Scope and Lifetime 92 Global Scope 92 Functional Scope 93 Identifier Lookup 93 Functions as Values 94 Summary 97 Chapter 5: Javascript—An Object‐Based Language 99 Object‐Based Programming 100 What are Objects? 100 Objects in JavaScript 100 Using JavaScript Objects 101 Creating an Object 102 Using an Object’s Properties 103 Calling an Object’s Methods 104 Primitives and Objects 104 JavaScript’s Native Object Types 105 String Objects 105 The length Property 106 Finding a String Inside Another String—The indexOf() and lastIndexOf() Methods 106 Copying Part of a String—The substr() and substring() Methods 109 Converting Case—The toLowerCase() and toUpperCase() Methods 110 Selecting a Single Character from a String—The charAt() and charCodeAt() Methods 111 Converting Character Codes to a String—The fromCharCode() Method 115 Removing Leading and Trailing Whitespace—The trim() Method 115 Array Objects 116 Finding Out How Many Elements are in an Array—The length Property 116 Adding Elements—The push() Method 117 Joining Arrays—The concat() Method 117 Copying Part of an Array—The slice() Method 118 Converting an Array into a Single String—The join() Method 119 Putting Your Array in Order—The sort() Method 119 Putting Your Array into Reverse Order—The reverse() Method 121 Finding Array Elements—The indexOf() and lastIndexOf() Methods 122 Iterating through an Array without Loops 123 The Math Object 126 The abs() Method 127 Finding the Largest and Smallest Numbers—The min() and max() Methods 127 Rounding Numbers 127 The random() Method 131 The pow() Method 132 Number Objects 134 The toFixed() Method 134 Date Objects 135 Creating a Date Object 135 Getting Date Values 136 Setting Date Values 139 Calculations and Dates 140 Getting Time Values 140 Setting Time Values 143 Creating Your Own Custom Objects 144 Creating New Types of Objects (Reference Types) 148 Defining a Reference Type 149 Creating and Using Reference Type Instances 150 Summary 151 Chapter 6: String Manipulation 153 Additional String Methods 154 The split() Method 154 The replace() Method 156 The search() Method 157 The match() Method 157 Regular Expressions 158 Simple Regular Expressions 159 Regular Expressions: Special Characters 162 Text, Numbers, and Punctuation 162 Repetition Characters 165 Position Characters 166 Covering All Eventualities 170 Grouping Regular Expressions 171 Reusing Groups of Characters 173 The String Object 175 The split() Method 175 The replace() Method 177 The search() Method 179 The match() Method 180 Using the RegExp Object’s Constructor 183 Telephone Number Validation 185 Validating a Postal Code 187 Validating an E‐mail Address 189 Validating a Domain Name 189 Validating a Person’s Address 190 Validating the Complete Address 190 Summary 191 Chapter 7: Date, Time, and Timers 193 World Time 194 Setting and Getting a Date Object’s UTC Date and Time 197 Timers in a Web Page 200 One‐Shot Timer 200 Setting a Timer that Fires at Regular Intervals 202 Summary 203 Chapter 8: Programming the Browser 205 Introduction to the Browser’s Objects 206 The window Object 207 The history Object 208 The location Object 209 The navigator Object 210 The geolocation Object 210 The screen Object 213 The document Object 213 Using the document Object 214 The images Collection 216 The links Collection 218 Determining the User’s Browser 218 Feature Detection 218 Browser Sniffing 221 Summary 225 Chapter 9: DOM Scripting 229 The Web Standards 231 HTML 232 ECMAScript 233 The Document Object Model 234 The DOM Standard 234 Level 0 234 Level 1 234 Level 2 235 Level 3 235 Level 4 235 Browser Compliance with the Standards 235 Differences between the DOM and the BOM 236 Representing the HTML Document as a Tree Structure 236 What is a Tree Structure? 236 An Example HTML Page 237 The Core DOM Objects 238 Base DOM Objects 238 High‐Level DOM Objects 239 DOM Objects and Their Properties and Methods 240 The Document Object and its Methods 240 The Element Object 246 The Node Object 250 Manipulating the DOM 259 Accessing Elements 259 Changing Appearances 259 Using the style Property 259 Changing the class Attribute 262 Positioning and Moving Content 263 Example: Animated Advertisement 264 Are We There Yet? 264 Performing the Animation 265 Summary 268 Chapter 10: Events 271 Types of Events 272 Connecting Code to Events 273 Handling Events via HTML Attributes 273 Handling Events via Object Properties 280 The Standard Event Model 283 Connecting Code to Events—The Standard Way 283 Using Event Data 289 Event Handling in Old Versions of Internet Explorer 298 Accessing the event Object 298 Using Event Data 300 Writing Cross‐Browser Code 307 Native Drag and Drop 317 Making Content Draggable 318 Creating a Drop Target 319 Transferring Data 325 Summary 333 Chapter 11: HTML Forms: Interacting With the User 335 HTML Forms 336 Traditional Form Object Properties and Methods 338 HTML Elements in Forms 339 Common Properties and Methods 340 The name Property 340 The value Property 340 The form Property 340 The type Property 340 The focus() and blur() Methods 340 Button Elements 341 Text Elements 345 The Text Box 345 Problems with Firefox and the blur Event 350 The Password Text Box 351 The Hidden Text Box 351 The textarea Element 351 Check Boxes and Radio Buttons 355 Selection Boxes 364 Adding and Removing Options 365 Adding New Options with Standard Methods 369 Select Element Events 370 HTML5 Form Object Properties and Methods 375 New Input Types 376 New Elements 380 The Element 380 The and Elements 382 Summary 386 Chapter 12: JSON 391 XML 392 JSON 393 Simple Values 394 Objects 394 Arrays 395 Serializing Into JSON 396 Parsing JSON 396 Summary 400 Chapter 13: Data Storage 403 Baking Your First Cookie 404 A Fresh‐Baked Cookie 404 Viewing Cookies in Internet Explorer 404 Viewing Cookies in Firefox 409 Viewing Cookies in Chrome 411 The Cookie String 413 name and value 413 expires 413 path 414 domain 415 secure 416 Creating a Cookie 416 Getting a Cookie’s Value 419 Cookie Limitations 424 A User May Disable Cookies 424 Number and Information Limitation 425 Cookie Security and IE 425 Web Storage 426 Setting Data 427 Getting Data 428 Removing Data 428 Storing Data as Strings 428 Viewing Web Storage Content 431 Summary 432 Chapter 14: Ajax 435 What is Ajax? 436 What Can It Do? 436 Google Maps 436 Google Suggest 436 Browser Support 436 Using the XMLHttpRequest Object 438 Creating an XMLHttpRequest Object 438 Using the XMLHttpRequest Object 438 Asynchronous Requests 440 Creating a Simple Ajax Module 441 Planning the HttpRequest Module 441 The HttpRequest Constructor 442 Creating the send() Method 443 The Full Code 443 Validating Form Fields with Ajax 444 Requesting Information 445 The Received Data 445 Before You Begin 446 A Web Server 446 PHP 447 Things to Watch Out For 453 Security Issues 454 The Same‐Origin Policy 454 CORS 454 Usability Concerns 455 The Browser’s Back Button 455 Creating a Back/Forward‐Capable Form with an IFrame 455 The Server Response 456 Dealing with Delays 460 Degrade Gracefully When Ajax Fails 461 Summary 462 Chapter 15: HTML5 Media 463 A Primer 464 Scripting Media 467 Methods 468 Properties 471 Events 477 Summary 481 Chapter 16: jQuery 483 Getting jQuery 484 jQuery’s API 485 Selecting Elements 485 Changing Style 487 Adding and Removing CSS Classes 488 Toggling Classes 489 Checking if a Class Exists 490 Creating, Appending, and Removing Elements 490 Creating Elements 491 Appending Elements 491 Removing Elements 492 Handling Events 492 The jQuery Event Object 493 Rewriting the Tab Strip with jQuery 494 Using jQuery for Ajax 497 Understanding the jQuery Function 497 Automatically Parsing JSON Data 498 The jqXHR Object 498 Summary 504 Chapter 17: Other Javascript Libraries 505 Digging into Modernizr 506 Getting Modernizr 507 Modernizr’s API 508 Custom Tests 509 Loading Resources 510 Diving into Prototype 515 Getting Prototype 515 Testing Your Prototype Installation 516 Retrieving Elements 517 Selecting Elements with CSS Selectors 518 Performing an Operation on Elements Selected with $$() 519 Manipulating Style 519 Creating, Inserting, and Removing Elements 520 Creating an Element 520 Adding Content 520 Removing an Element 521 Using Events 521 Rewriting the Tab Strip with Prototype 522 Using Ajax Support 525 Delving into MooTools 531 Getting MooTools 531 Testing Your MooTools Installation 531 Finding Elements 533 Selecting Elements with CSS Selectors 533 Performing Operations on Elements 533 Changing Style 534 Creating, Inserting, and Removing Elements 535 Using Events 536 Rewriting the Tab Strip with MooTools 537 Ajax Support in MooTools 540 Summary 546 Chapter 18: Common Mistakes, Debugging, and Error Handling 549 D’oh! I Can’t Believe I Just Did That: Some Common Mistakes 550 Undefi ned Variables 550 Case Sensitivity 551 Incorrect Number of Closing Braces 552 Incorrect Number of Closing Parentheses 553 Using Equals (=) Rather than Equality (==) 553 Using a Method as a Property and Vice Versa 554 Missing Plus Signs during Concatenation 554 Error Handling 555 Preventing Errors 555 The try…catch Statements 556 Throwing Errors 557 Nested try…catch Statements 562 finally Clauses 562 Debugging 563 Debugging in Chrome (and Opera) 564 Setting Breakpoints 566 Scope Variables and Watches 566 Stepping through Code 567 The Console 571 Call Stack Window 573 Debugging in Internet Explorer 574 Setting Breakpoints 576 Adding Watches 576 Stepping through Code 576 The Console 577 Debugging in Firefox with Firebug 578 Setting Breakpoints 578 Watches 579 Stepping through Code 580 The Console 580 Debugging in Safari 580 Setting Breakpoints 583 Adding Watches 583 Stepping through Code 583 The Console 583 Summary 583 Appendix A: Answers to Exercises 587 Appendix B: Javascript Core Reference 653 Appendix C: W3C DOM Reference 683 Appendix D: Latin‐1 Character Set 715 Index 723

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Book SynopsisExplore JavaScript y lleve sus páginas web al siguiente nivel Si conoce HTML y CSS, ya habrá experimentado la satisfacción de poder desarrollar sus propias páginas web. Pero también se habrá dado cuenta de la limitación que conlleva trabajar únicamente con contenido estático. La necesidad de superar esta restricción fue precisamente la que motivó el nacimiento de JavaScript, cuya principal fortaleza es su capacidad para generar contenido de forma dinámica durante la interacción con el usuario. En este libro encontrará la descripción del lenguaje JavaScript desde cero, por lo que partirá de los conceptos de programación más básicos, como los tipos de datos primitivos, y llegará a otros más avanzados, como los objetos, que le llevarán al conocimiento de los modelos DOM (Document Object Model, modelo de objetos del documento) y BOM (Browser Object Model, modelo de objetos del navegador). Gracias a esta lectura podrá: ' Crear y modificar páginas web de forma dinámica. Las etiquetas HTML se convertirán en piezas de LEGO que le permitirán construir la estructura que luego rellenará con el texto y las imágenes, a las que finalmente aplicará el estilo deseado. ' Generar animaciones y juegos en los que existan objetos o personajes capaces de relacionarse entre sí o con el usuario. ' Compartir datos entre páginas o almacenarlos en el propio dispositivo para recuperarlos posteriormente. ' Desarrollar aplicaciones web que puedan ser manejadas tanto con un teclado y un ratón como a través de pantallas táctiles. ' Utilizar sensores presentes en la mayoría de los teléfonos móviles, como el giroscopio o el acelerómetro, para controlar una aplicación web en base a su posición. Todos los conceptos introducidos en cada capítulo van seguidos de ejemplos que muestran cómo llevarlos a la práctica. Su código, ya sea HTML, CSS o JavaScript, se explica línea a línea para aclarar cualquier interrogante sobre su funcionamiento. No lo dude y adéntrese en el mundo de las aplicaciones web con JavaScript para dar un paso más allá como desarrollador de páginas HTML. Tomás Domínguez es ingeniero de telecomunicación y doctorado en inteligencia artificial. Su labor profesional se ha desarrollado en una multinacional de telecomunicaciones, donde ha ocupado diversos cargos relacionados con la tecnología. Asimismo, ha ejercido como profesor universitario de ingeniería informática en la Universidad Alfonso X el Sabio de Madrid.

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Book SynopsisWhy reinvent the wheel every time you run into a problem with JavaScript? This cookbook is chock-full of code recipes for common programming tasks, along with techniques for building apps that work in any browser. You'll get adaptable code samples that you can add to almost any project--and you'll learn more about JavaScript in the process.

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Book SynopsisBegin your JavaScript journey with this comprehensive, hands-on guide. You’ll learn everything there is to know about professional JavaScript programming, from core language concepts to essential client-side tasks.

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Book SynopsisDo you want to write beautiful, structured, and maintainable JavaScript by applying classical and modern design patterns to the language? Do you want clean, efficient, manageable code? Want to stay up-to-date with the latest best practices? If so, the updated second edition of Learning JavaScript Design Patterns is the ideal place to start.

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Book SynopsisUnderstand the guiding principles of clean code and how it applies to modern front-end development, accessibility (a11y), semantics, performance, and the Green Web. Highlighting key topics ranging from the foundations of JavaScript and HTML to popular frameworks like React, this book provides best practices to ensure code and applications are easier, more efficient and cost effective to run. Using a web-based application as an example, you'll begin by cleaning and improving its code base by dividing the JavaScript into smaller, reusable and composable functions without side effects. Then, you'll improve the HTML code base by applying Disability Driven Design patterns, focusing on semantics before moving on to improving the architecture with a functional style (immutable, modular and composable). Because the web today needs to be green with reduced loading time and energy consumption, you'll apply some tips and tricks to improve code performance and see how to best monitor it in a continuous and scalable way. What You'll LearnSee how the JavaScript engine works and memory management. Explore in greater detail key focus areas of accessibility and green computingMake applications easier and more cost-effective to runLook closely at clean and sustainable development using JavaScript and ReactWho This Book Is ForProgrammers, developers, engineers and product managers who are looking at cost-efficient ways to make their applications run more smoothly and efficiently.

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Book SynopsisThe concise and digestible get-started guide to JavaScript programming JavaScript Essentials For Dummies is your quick reference to all the core concepts about JavaScriptthe dynamic scripting language that is often the final step in creating powerful websites. This no-nonsense book gets right to the point, eliminating review material, wordy explanations, and fluff. Find out all you need to know about the foundations of JavaScript, swiftly and crystal clear. Perfect for a brush-up on the basics or as an everyday desk reference on the job, this is the reliable little book you can always turn to for answers. Get a quick and thorough intro to the basic concepts of coding with JavaScriptReview what you've already learned or pick up essential new skillsAdd interactive features to websites with JavaScript programmingKeep this concise reference book handy for jogging your memory as you work This book is to the point, focusing on the key topics you need to know about this popular programming language. Great for supplementing classroom learning, reviewing for a certification, or staying knowledgeable on the job.

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Book SynopsisTake advantage of JavaScript's power to build robust web-scale or enterprise applications that are easy to extend and maintain. By applying the design patterns outlined in this practical book, experienced JavaScript developers will learn how to write flexible and resilient code that's easier - yes, easier - to work with as your code base grows.

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Book SynopsisWeißt du, was der Computer macht, wenn du ihm den JavaScript-Befehl alert (4 + 8) gibst? Dann erscheint auf dem Bildschirm ein schickes Fenster - natürlich mit der 12. Du siehst, Programmieren ist gar nicht so schwer. Du musst nur die Befehle kennen und wissen, was sie bewirken. Genau das lernst du in diesem Buch. Und damit das noch mehr Spaß macht, haben sich die Autoren Chris Minnick und Eva Holland für Kinder und Jugendliche ab 10 Jahre drei spannende Projekte für dich ausgedacht: einen Super-Rechner, einen animierten Roboter und ein Wörter-Spiel. Ran an die Tasten!Table of ContentsEinführung 6 Hallo, zukünftige Programmierer! 6 Über dieses Buch 6 Über dich 8 Über die Symbole, die wir in diesem Buch verwenden 9 Der erste Schritt 9 Kapitel 1: Auf die Plätze 10 Was ist Programmieren? 10 Wie kann man mit Computern sprechen? 15 Welche Sprachen wirst du lernen? 18 Werkzeuge zusammensuchen 21 Den Browser vorbereiten 21 Mit JSFiddle arbeiten 23 Deinen Fiddle speichern und veröffentlichen 32 Zusammenfassung 32 Kapitel 2: Super-Rechner 33 Sagen, was du meinst 34 Eine Anweisung geben 35 Die Regeln befolgen 37 Daten abgeben und entgegennehmen 38 Operanden und Operatoren 44 Der Super-Rechner 45 Den Super-Rechner »forken« 45 Mit dem Super-Rechner rechnen 47 Super-Rechnen mit Text 50 Zusammenfassung 52 Kapitel 3: Roboterkörper 53 HTML schreiben 54 Wie Text ohne HTML aussieht 54 HTML verwenden: Alles hä ngt an den Tags 55 HTML-Tags verschachteln 58 Das erste HTML-Dokument schreiben 61 Wichtige HTML-Elemente 63 Hier kommt Douglas, der Roboter 64 HTML mit JavaScript verändern 70 Zusammenfassung 72 Kapitel 4: Stylen 73 Douglas stylen 74 Die Grundlagen von CSS verstehen 75 CSS-Selektoren 75 CSS-Deklarationen 80 CSS-Eigenschaften 82 Douglas farbig gestalten 84 CSS-Farben verwenden 85 Farben ä ndern 87 Deinen eigenen Roboter gestalten 89 Zusammenfassung 90 Kapitel 5: Animieren 91 CSS mit JavaScript verändern 91 Douglas mit JavaScript verändern 93 Mit Douglas experimentieren 94 Douglas tanzen lassen 96 Animationen mit JavaScript erstellen 99 Ein weiteres Element animieren 102 Eine zweite Animationsfunktion hinzufügen 103 Zusammenfassung 107 Kapitel 6: Wörter-Spiel 108 Eine Variablen-Geschichte schreiben 108 Das Wortersetzungs-Spiel programmieren 109 Den HTML-Code schreiben 111 Das Wortersetzungs-Spiel gestalten 115 Den JavaScript-Code schreiben 118 Das Programm fertigstellen 122 Zum Wiederfinden 129 Ü ber die Autoren 132

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Book SynopsisActualmente JavaScript representa uno de los principales lenguajes de la web. Otorga vida a las páginas que encontramos en Internet al permitir que se logren animaciones, transiciones y efectos visuales. Es soportado por los navegadores modernos y aceptado por la comunidad de programadores del mundo. Su versatilidad, sencillez y potencia lo convierten en una herramienta de enriquecimiento estético y funcional. La sintaxis simple que utiliza que asemeja a la de lenguajes como C, C++, CSharp o Java lo convierte en un lenguaje familiar para personas que hayan desarrollado en alguno de estos lenguajes. Sirve de base a técnicas, entornos y bibliotecas de desarrollo como AJAX, NodeJS y Three.js. El objetivo de este libro será introducir al lector en los principios de la programación y en el uso de JavaScript como lenguaje para inducir dinamismo en una página web. Es un material didáctico que acompañado de ejercicios al final de cada capítulo tiene la intención de entrenar a la persona interesada. Arnaldo Pérez Castaño es graduado de la Universidad de la Habana en Informática y es Técnico Medio en Contabilidad. Cuenta con amplia experiencia en el desarrollo de aplicaciones web y de escritorio. Esta es su segunda publicación en español y sirve como reviewer para la revista científica JMMA (Journal of Mathematical Modelling and Algorithms) de Springer. Es amante del Jazz y del cine.

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Book SynopsisOnce used chiefly to add interactivity to web browser windows, JavaScript is now a primary building block of powerful and robust applications. In this practical book, new and experienced JavaScript developers will learn how to use this language to create APIs as well as web, mobile, and desktop applications.

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Book SynopsisLearn JavaScript and jQuery a nicer way This full-color book adopts a visual approach to teaching JavaScript & jQuery, showing you how to make web pages more interactive and interfaces more intuitive through the use of inspiring code examples, infographics, and photography.Trade Reviewinside it s beautifully designed, clearly laid out, and adds plenty of visual examples alongside the instructive text (Web User, August 2014) Forget dry references and cheesy examples. This beautifully designed visual guide takes you from the basics to sophisticated JavaScript techniques for making websites interactive and engaging in a way that is, in itself, interactive and engaging (ZDNet, September 2014)Table of ContentsIntroduction 1 Chapter 1: The ABC of Programming 11 Chapter 2: Basic JavaScript Instructions 53 Chapter 3: Functions, Methods & Objects 85 Chapter 4: Decisions & Loops 145 Chapter 5: Document Object Model 183 Chapter 6: Events 243 Chapter 7: jQuery 293 Chapter 8: Ajax & JSON 367 Chapter 9: APIs 409 Chapter 10: Error Handling & Debugging 449 Chapter 11: Content Panels 487 Chapter 12: Filtering, Searching & Sorting 527 Chapter 13: Form Enhancement & Validation 567 Index 623

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Book SynopsisFrom custom fonts to ad-hoc font families you assemble out of a variety of individual faces, CSS 3 gives you more typographic options than ever before. This concise guide shows you how to use CSS properties to gain a fine-grained and wide-ranging influence over how you display fonts on the Web.

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Book SynopsisTable of ContentsIntroduction 1 Book 1: JavaScript Fundamentals 7 Chapter 1: Jumping into JavaScript 9 Chapter 2: Filling Your JavaScript Toolbox 41 Chapter 3: Using Data 63 Chapter 4: Working with Operators and Expressions 81 Chapter 5: Controlling Flow 91 Chapter 6: Using Arrays 105 Chapter 7: Making and Using Objects 125 Chapter 8: Writing and Running Functions 139 Chapter 9: Getting Oriented with Classes 167 Chapter 10: Making Things Happen with Events 181 Chapter 11: Writing Asynchronous JavaScript 197 Chapter 12: Using JavaScript Modules 223 Book 2: Meet Your Web Browser 231 Chapter 1: What a Web Browser Does 233 Chapter 2: Programming the Browser 241 Book 3: React 261 Chapter 1: Getting Started with React 263 Chapter 2: Writing JSX 281 Chapter 3: Building React Components 297 Chapter 4: Using Data and Events in React 327 Book 4: Vue 341 Chapter 1: Getting an Overview of Vue 343 Chapter 2: Introducing Vue Components 357 Chapter 3: Making Vue Templates 369 Chapter 4: Using Data and Reactivity 395 Chapter 5: Responding to Events 411 Book 5: Svelte 421 Chapter 1: Getting Started with Svelte 423 Chapter 2: Building with Components 437 Chapter 3: Designing Templates 451 Chapter 4: Using Directives 463 Chapter 5: Using the Component Lifecycle 471 Chapter 6: Advanced Svelte Reactivity 483 Book 6: Sharpening Your Tools 493 Chapter 1: Building from Scratch 495 Chapter 2: Optimizing and Bundling 513 Chapter 3: Testing Your JavaScript 535 Book 7: Node.js 557 Chapter 1: Node.js Fundamentals 559 Chapter 2: Streaming 587 Chapter 3: Working with Buffers 603 Chapter 4: Accessing the File System 613 Chapter 5: Networking with Node 627 Chapter 6: Using Events 639 Chapter 7: Error Handling and Debugging 651 Chapter 8: Accessing Databases 673 Chapter 9: Riding on the Express Train 697 Chapter 10: Registration and Authentication 721 Index 755

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Book SynopsisBuilding rich JavaScript applications that bring the desktop experience to the Web is now possible, thanks to powerful JavaScript engines and the CSS3 and HTML5 specifications. The key is moving state to the client side, but that's no simple task.

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Book SynopsisOften referred to as the holy grail of web application development, isomorphic JavaScript lets you run the same code on both the browser client and web application server. This hands-on guide shows you a practical approach to building and maintaining your own isomorphic JavaScript apps.

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