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• JavaScript - The Definitive Guide Table of Contents
• JavaScript - The Definitive Guide Preface
• JavaScript - The Definitive Guide Introduction
• JavaScript - The Definitive Guide
• JavaScript - The Definitive Guide Index

Publisher: O'Reilly Media; Book Purchased on May 4, 2022

Fair Use Source: B088P9Q6BB (JSDefGd 2020)

7th Edition, by David Flanagan

For web developers and other programmers interested in using JavaScript, this bestselling book provides the most comprehensive JavaScript material on the market. The seventh edition represents a significant update, with new information for ECMAScript 2020, and new chapters on language-specific features.

JavaScript: The Definitive Guide is ideal for experienced programmers who want to learn the programming language of the web, and for current JavaScript programmers who want to master it.

JavaScript is the programming language of the web. The overwhelming majority of websites use JavaScript, and all modern web browsers—on desktops, tablets, and phones—include JavaScript interpreters, making JavaScript the most-deployed programming language in history. Over the last decade, Node.js has enabled JavaScript programming outside of web browsers, and the dramatic success of Node means that JavaScript is now also the most-used programming language among software developers. Whether you’re starting from scratch or are already using JavaScript professionally, this book will help you master the language.

If you are already familiar with other programming languages, it may help you to know that JavaScript is a high-level, dynamic, interpreted programming language that is well-suited to object-oriented and functional programming styles. JavaScript’s variables are untyped. Its syntax is loosely based on Java, but the languages are otherwise unrelated.

JavaScript derives its first-class functions from Scheme and its prototype-based inheritance from the little-known language Self. But you do not need to know any of those languages, or be familiar with those terms, to use this book and learn JavaScript.

This book covers the JavaScript language and the JavaScript APIs implemented by web browsers and by Node. I wrote it for readers with some prior programming experience who want to learn JavaScript and also for programmers who already use JavaScript but want to take their understanding to a new level and really master the language. My goal with this book is to document the JavaScript language comprehensively and definitively and to provide an in-depth introduction to the most important client-side and server-side APIs available to JavaScript programs. As a result, this is a long and detailed book. My hope, however, is that it will reward careful study and that the time you spend reading it will be easily recouped in the form of higher programming productivity.

David Flanagan is a computer programmer who spends most of his time writing about JavaScript and Java. His books with O'Reilly include Java in a Nutshell, Java Examples in a Nutshell, Java Foundation Classes in a Nutshell, JavaScript: The Definitive Guide, and JavaScript Pocket Reference. David has a degree in computer science and engineering from the Massachusetts Institute of Technology. He lives with his wife and children in the U.S. Pacific Northwest bewteen the cities of Seattle, Washington and Vancouver, British Columbia. David has a blog at www.davidflanagan.com.

• Publication Date: May 14, 2020
• Print Length: 708 pages
• Publisher: O'Reilly Media; 7th Edition (May 14, 2020)
• ASIN: B088P9Q6BB
• ISBN: 978-1-491-95202-3

• June 1998: Third Edition
• November 2001: Fourth Edition
• August 2006: Fifth Edition
• May 2011: Sixth Edition
• May 2020: Seventh Edition
  • Revision History for the Seventh Edition: 2020-05-13: First Release

Fair Use Source: B088P9Q6BB

“This book covers the JavaScript language and the JavaScript APIs implemented by web browsers and by Node.js. I wrote it for readers with some prior programming experience who want to learn JavaScript and also for programmers who already use JavaScript but want to take their understanding to a new level and really master the language. My goal with this JavaScript book is to document the JavaScript language comprehensively and definitively and to provide an in-depth introduction to the most important client-side APIs and server-side APIs available to JavaScript programs. As a result, this is a long and detailed book. My hope, however, is that it will reward careful study and that the time you spend reading it will be easily recouped in the form of higher programming productivity.

Previous editions of this book included a comprehensive JavaScript reference section. I no longer feel that it makes sense to include that material in printed form when it is so quick and easy to find up-to-date reference material online. If you need to look up anything related to core or client-side JavaScript, I recommend you visit the MDN website. And for server-side Node APIs, I recommend you go directly to the source and consult the Node.js reference documentation.”

Supplemental material (code examples, coding exercises, etc.) for this book is available for download at: https://oreil.ly/javascript_defgd7

Attribution: An attribution usually includes the title, author, publisher, and ISBN. For example: “JavaScript - The Definitive Guide, Seventh Edition, by David Flanagan (O’Reilly). Copyright 2020 David Flanagan, 978-1-491-95202-3.”

We have a web page for this book, where we list errata, examples, and any additional information. You can access this page at https://oreil.ly/javascript_defgd7.

Introduction to JavaScript:

• 1.1 Exploring JavaScript
• 1.2 JavaScript Hello World
• 1.3 A Tour of JavaScript
• 1.4 Example: JavaScript Character Frequency Histograms
• 1.5 Summary

• 2.1 The Text of a JavaScript Program
• 2.2 JavaScript Comments
• 2.3 JavaScript Literals
• 2.4 JavaScript Identifiers and Reserved Words
• 2.4.1 JavaScript Reserved Words
• 2.5 JavaScript Unicode
• 2.5.1 JavaScript Unicode Escape Sequences
• 2.5.2 JavaScript Unicode Normalization
• 2.6 JavaScript Optional Semicolons
• 2.7 JavaScript Summary

• 3.1 JavaScript Overview and Definitions
• 3.2 JavaScript Numbers
• 3.2.1 JavaScript Integer Literals
• 3.2.2 JavaScript Floating-Point Literals
• 3.2.3 JavaScript Arithmetic in JavaScript
• 3.2.4 JavaScript Binary Floating-Point and Rounding Errors
• 3.2.5 JavaScript Arbitrary Precision Integers with BigInt
• 3.2.6 JavaScript Dates and Times
• 3.3 JavaScript Text
• 3.3.1 JavaScript String Literals
• 3.3.2 JavaScript Escape Sequences in String Literals
• 3.3.3 JavaScript Working with Strings
• 3.3.4 JavaScript Template Literals
• 3.3.5 JavaScript Pattern Matching
• 3.4 JavaScript Boolean Values
• 3.5 JavaScript null and undefined
• 3.6 JavaScript Symbols
• 3.7 JavaScript The Global Object
• 3.8 JavaScript Immutable Primitive Values and Mutable Object References
• 3.9 JavaScript Type Conversions
• 3.9.1 JavaScript Conversions and Equality
• 3.9.2 JavaScript Explicit Conversions
• 3.9.3 JavaScript Object to Primitive Conversions
• 3.10 JavaScript Variable Declaration and Assignment
• 3.10.1 JavaScript Declarations with let and const
• 3.10.2 Variable Declarations with var]]
• 3.10.3 JavaScript Destructuring Assignment
• 3.11 JavaScript Summary

• 4.1 JavaScript Primary Expressions
• 4.2 JavaScript Object and Array Initializers
• 4.3 JavaScript Function Definition Expressions
• 4.4 JavaScript Property Access Expressions
• 4.4.1 JavaScript Conditional Property Access
• 4.5 JavaScript Invocation Expressions
• 4.5.1 JavaScript Conditional Invocation
• 4.6 JavaScript Object Creation Expressions
• 4.7 JavaScript Operator Overview
• 4.7.1 JavaScript Number of Operands
• 4.7.2 JavaScript Operand and Result Type
• 4.7.3 JavaScript Operator Side Effects
• 4.7.4 JavaScript Operator Precedence
• 4.7.5 JavaScript Operator Associativity
• 4.7.6 JavaScript Order of Evaluation
• 4.8 JavaScript Arithmetic Expressions
• 4.8.1 JavaScript The + Operator
• 4.8.2 JavaScript Unary Arithmetic Operators
• 4.8.3 JavaScript Bitwise Operators
• 4.9 JavaScript Relational Expressions
• 4.9.1 JavaScript Equality and Inequality Operators
• 4.9.2 JavaScript Comparison Operators
• 4.9.3 JavaScript The in Operator
• 4.9.4 JavaScript The instanceof Operator
• 4.10 JavaScript Logical Expressions
• 4.10.1 JavaScript Logical AND (&&)
• 4.10.2 JavaScript Logical OR ( | javascript_-_the_definitive_guide_-_master_the_world_s_most-used_programming_language_by_david_flanagan | )
• 4.10.3 JavaScript Logical NOT (!)
• 4.11 JavaScript Assignment Expressions
• 4.11.1 JavaScript Assignment with Operation
• 4.12 JavaScript Evaluation Expressions
• 4.12.1 JavaScript eval()
• 4.12.2 JavaScript Global eval()
• 4.12.3 JavaScript Strict eval()
• 4.13 JavaScript Miscellaneous Operators
• 4.13.1 JavaScript The Conditional Operator (
• 4.13.2 JavaScript First-Defined (
• 4.13.3 JavaScript The typeof Operator
• 4.13.4 JavaScript The delete Operator
• 4.13.5 JavaScript The await Operator
• 4.13.6 JavaScript The void Operator
• 4.13.7 JavaScript The comma Operator (,)
• 4.14 JavaScript Summary ===Chapter 5 - Statements=== * 5.1 [[JavaScript Expression Statements
• 5.2 JavaScript Compound and Empty Statements
• 5.3 JavaScript Conditionals
• 5.3.1 JavaScript if
• 5.3.2 JavaScript else if
• 5.3.3 JavaScript switch
• 5.4 JavaScript Loops
• 5.4.1 JavaScript while
• 5.4.2 JavaScript do/while
• 5.4.3 JavaScript for
• 5.4.4 JavaScript for/of
• 5.4.5 JavaScript for/in
• 5.5 JavaScript Jumps
• 5.5.1 JavaScript Labeled Statements
• 5.5.2 JavaScript break
• 5.5.3 JavaScript continue
• 5.5.4 JavaScript return
• 5.5.5 JavaScript yield
• 5.5.6 JavaScript throw
• 5.5.7 JavaScript try/catch/finally 5.6 [[JavaScript Miscellaneous Statements
• 5.6.1 JavaScript with
• 5.6.2 JavaScript debugger
• 5.6.3 JavaScript “use strict”
• 5.7 JavaScript Declarations
• 5.7.1 JavaScript const, let, and var
• 5.7.2 JavaScript function
• 5.7.3 JavaScript class
• 5.7.4 JavaScript import and export
• 5.8 JavaScript Summary of JavaScript Statements

• 6.1 JavaScript Introduction to Objects
• 6.2 JavaScript Creating Objects
• 6.2.1 JavaScript Object Literals
• 6.2.2 JavaScript Creating Objects with new
• 6.2.3 JavaScript Prototypes
• 6.2.4 JavaScript Object.create()
• 6.3 JavaScript Querying and Setting Properties
• 6.3.1 JavaScript Objects As Associative Arrays
• 6.3.2 JavaScript Inheritance
• 6.3.3 JavaScript Property Access Errors
• 6.4 JavaScript Deleting Properties
• 6.5 JavaScript Testing Properties
• 6.6 JavaScript Enumerating Properties
• 6.6.1 JavaScript Property Enumeration Order
• 6.7 JavaScript Extending Objects
• 6.8 JavaScript Serializing Objects
• 6.9 JavaScript Object Methods
• 6.9.1 JavaScript The toString() Method
• 6.9.2 JavaScript The toLocaleString() Method
• 6.9.3 JavaScript The valueOf() Method
• 6.9.4 JavaScript The toJSON() Method
• 6.10 JavaScript Extended Object Literal Syntax
• 6.10.1 JavaScript Shorthand Properties
• 6.10.2 JavaScript Computed Property Names
• 6.10.3 JavaScript Symbols as Property Names
• 6.10.4 JavaScript Spread Operator
• 6.10.5 JavaScript Shorthand Methods
• 6.10.6 JavaScript Property Getters and Setters
• 6.11 JavaScript Summary ===Chapter 7 - Arrays=== * 7.1 [[JavaScript Creating Arrays
• 7.1.1 JavaScript Array Literals
• 7.1.2 JavaScript The Spread Operator
• 7.1.3 JavaScript The Array() Constructor
• 7.1.4 JavaScript Array.of()
• 7.1.5 JavaScript Array.from()
• 7.2 JavaScript Reading and Writing Array Elements
• 7.3 JavaScript Sparse Arrays
• 7.4 JavaScript Array Length
• 7.5 JavaScript Adding and Deleting Array Elements
• 7.6 JavaScript Iterating Arrays
• 7.7 JavaScript Multidimensional Arrays
• 7.8 JavaScript Array Methods
• 7.8.1 JavaScript Array Iterator Methods
• 7.8.2 JavaScript Flattening arrays with flat() and flatMap()
• 7.8.3 JavaScript Adding arrays with concat()
• 7.8.4 JavaScript Stacks and Queues with push(), pop(), shift(), and unshift()
• 7.8.5 JavaScript Subarrays with slice(), splice(), fill(), and copyWithin()
• 7.8.6 JavaScript Array Searching and Sorting Methods
• 7.8.7 JavaScript Array to String Conversions
• 7.8.8 JavaScript Static Array Functions
• 7.9 JavaScript Array-Like Objects
• 7.10 JavaScript Strings as Arrays
• 7.11 JavaScript Summary ===Chapter 8 - Functions=== * 8.1 [[JavaScript Defining Functions
• 8.1.1 JavaScript Function Declarations
• 8.1.2 JavaScript Function Expressions
• 8.1.3 JavaScript Arrow Functions
• 8.1.4 JavaScript Nested Functions
• 8.2 JavaScript Invoking Functions
• 8.2.1 JavaScript Function Invocation
• 8.2.2 JavaScript Method Invocation
• 8.2.3 JavaScript Constructor Invocation
• 8.2.4 JavaScript Indirect Invocation
• 8.2.5 JavaScript Implicit Function Invocation
• 8.3 JavaScript Function Arguments and Parameters
• 8.3.1 JavaScript Optional Parameters and Defaults
• 8.3.2 JavaScript Rest Parameters and Variable-Length Argument Lists
• 8.3.3 JavaScript The Arguments Object
• 8.3.4 JavaScript The Spread Operator for Function Calls
• 8.3.5 JavaScript Destructuring Function Arguments into Parameters
• 8.3.6 JavaScript Argument Types
• 8.4 JavaScript Functions as Values
• 8.4.1 JavaScript Defining Your Own Function Properties
• 8.5 JavaScript Functions as Namespaces
• 8.6 JavaScript Closures
• 8.7 JavaScript Function Properties, Methods, and Constructor
• 8.7.1 JavaScript The length Property
• 8.7.2 JavaScript The name Property
• 8.7.3 JavaScript The prototype Property
• 8.7.4 JavaScript The call() and apply() Methods
• 8.7.5 JavaScript The bind() Method
• 8.7.6 JavaScript The toString() Method
• 8.7.7 JavaScript The Function() Constructor
• 8.8 JavaScript Functional Programming
• 8.8.1 JavaScript Processing Arrays with Functions
• 8.8.2 JavaScript Higher-Order Functions
• 8.8.3 JavaScript Partial Application of Functions
• 8.8.4 JavaScript Memoization
• 8.9 JavaScript Summary ===Chapter 9 - Classes=== * 9.1 [[JavaScript Classes and Prototypes
• 9.2 JavaScript Classes and Constructors
• 9.2.1 JavaScript Constructors, Class Identity, and instanceof
• 9.2.2 JavaScript The constructor Property
• 9.3 JavaScript Classes with the class Keyword
• 9.3.1 JavaScript Static Methods
• 9.3.2 JavaScript Getters, Setters, and other Method Forms
• 9.3.3 JavaScript Public, Private, and Static Fields
• 9.3.4 A Complex Number Class
• 9.4 JavaScript Adding Methods to Existing Classes
• 9.5 JavaScript Subclasses
• 9.5.1 JavaScript Subclasses and Prototypes
• 9.5.2 JavaScript Subclasses with extends and super
• 9.5.3 JavaScript Delegation Instead of Inheritance
• 9.5.4 JavaScript Class Hierarchies and Abstract Classes
• 9.6 JavaScript Summary ===Chapter 10 - Modules=== * 10.1 [[JavaScript Modules with Classes, Objects, and Closures
• 10.1.1 JavaScript Automating Closure-Based Modularity
• 10.2 JavaScript Modules in Node 10.2.1 [[JavaScript Node Exports
• 10.2.2 JavaScript Node Imports
• 10.2.3 JavaScript Node-Style Modules on the Web
• 10.3 JavaScript Modules in ES6 10.3.1 [[JavaScript ES6 Exports
• 10.3.2 JavaScript ES6 Imports
• 10.3.3 JavaScript Imports and Exports with Renaming
• 10.3.4 JavaScript Re-Exports
• 10.3.5 JavaScript JavaScript Modules on the Web
• 10.3.6 JavaScript Dynamic Imports with import()
• 10.3.7 JavaScript import.meta.url
• 10.4 JavaScript Summary ===Chapter 1 - The JavaScript Standard Library=== * 11.1 [[JavaScript Sets and Maps
• 11.1.1 JavaScript The Set Class
• 11.1.2 JavaScript The Map Class
• 11.1.3 JavaScript WeakMap and WeakSet
• 11.2 JavaScript Typed Arrays and Binary Data
• 11.2.1 JavaScript Typed Array Types
• 11.2.2 JavaScript Creating Typed Arrays
• 11.2.3 JavaScript Using Typed Arrays
• 11.2.4 JavaScript Typed Array Methods and Properties
• 11.2.5 JavaScript DataView and Endianness
• 11.3 JavaScript Pattern Matching with Regular Expressions
• 11.3.1 JavaScript Defining Regular Expressions
• 11.3.2 JavaScript String Methods for Pattern Matching
• 11.3.3 JavaScript The RegExp Class
• 11.4 JavaScript Dates and Times
• 11.4.1 JavaScript Timestamps
• 11.4.2 JavaScript Date Arithmetic
• 11.4.3 JavaScript Formatting and Parsing Date Strings
• 11.5 JavaScript Error Classes
• 11.6 JavaScript JSON Serialization and Parsing
• 11.6.1 JavaScript JSON Customizations
• 11.7 JavaScript The Internationalization API
• 11.7.1 JavaScript Formatting Numbers
• 11.7.2 JavaScript Formatting Dates and Times
• 11.7.3 JavaScript Comparing Strings
• 11.8 JavaScript The Console API
• 11.8.1 JavaScript Formatted Output with Console
• 11.9 JavaScript URL APIs
• 11.9.1 JavaScript Legacy URL Functions
• 11.10 JavaScript Timers
• 11.11 JavaScript Summary ===Chapter 12 - Iterators and Generators=== * 12.1 [[JavaScript How Iterators Work
• 12.2 JavaScript Implementing Iterable Objects
• 12.2.1 JavaScript “Closing” an Iterator - The Return Method
• 12.3 JavaScript Generators 12.3.1 [[JavaScript Generator Examples
• 12.3.2 JavaScript yield* and Recursive Generators
• 12.4 JavaScript Advanced Generator Features
• 12.4.1 JavaScript The Return Value of a Generator Function
• 12.4.2 JavaScript The Value of a yield Expression
• 12.4.3 JavaScript The return() and throw() Methods of a Generator
• 12.4.4 JavaScript A Final Note About Generators
• 12.5 JavaScript Summary ===Chapter 13 - Asynchronous JavaScript=== * 13.1 [[JavaScript Asynchronous Programming with Callbacks
• 13.1.1 JavaScript Timers
• 13.1.2 JavaScript Events
• 13.1.3 JavaScript Network Events
• 13.1.4 JavaScript Callbacks and Events in Node
• 13.2 JavaScript Promises
• 13.2.1 JavaScript Using Promises
• 13.2.2 JavaScript Chaining Promises
• 13.2.3 JavaScript Resolving Promises
• 13.2.4 JavaScript More on Promises and Errors
• 13.2.5 JavaScript Promises in Parallel
• 13.2.6 JavaScript Making Promises
• 13.2.7 JavaScript Promises in Sequence
• 13.3 JavaScript async and await
• 13.3.1 JavaScript await Expressions
• 13.3.2 JavaScript async Functions
• 13.3.3 JavaScript Awaiting Multiple Promises
• 13.3.4 JavaScript Implementation Details
• 13.4 JavaScript Asynchronous Iteration
• 13.4.1 JavaScript The for/await Loop
• 13.4.2 JavaScript Asynchronous Iterators
• 13.4.3 JavaScript Asynchronous Generators
• 13.4.4 JavaScript Implementing Asynchronous Iterators
• 13.5 JavaScript Summary ===Chapter 14 - Metaprogramming=== * 14.1 [[JavaScript Property Attributes
• 14.2 JavaScript Object Extensibility
• 14.3 JavaScript The prototype Attribute
• 14.4 JavaScript Well-Known Symbols
• 14.4.1 JavaScript Symbol.iterator and Symbol.asyncIterator
• 14.4.2 JavaScript Symbol.hasInstance
• 14.4.3 JavaScript Symbol.toStringTag
• 14.4.4 JavaScript Symbol.species
• 14.4.5 JavaScript Symbol.isConcatSpreadable
• 14.4.6 JavaScript Pattern-Matching Symbols
• 14.4.7 JavaScript Symbol.toPrimitive
• 14.4.8 JavaScript Symbol.unscopables
• 14.5 JavaScript Template Tags
• 14.6 JavaScript The Reflect API
• 14.7 JavaScript Proxy Objects
• 14.7.1 JavaScript Proxy Invariants
• 14.8 JavaScript Summary ===Chapter 15 - JavaScript in Web Browsers=== * 15.1 [[JavaScript Web Programming Basics
• 15.1.1 JavaScript JavaScript in HTML <script> Tags
• 15.1.2 JavaScript The Document Object Model
• 15.1.3 JavaScript The Global Object in Web Browsers
• 15.1.4 JavaScript Scripts Share a Namespace
• 15.1.5 JavaScript Execution of JavaScript Programs
• 15.1.6 JavaScript Program Input and Output
• 15.1.7 JavaScript Program Errors
• 15.1.8 JavaScript The Web Security Model
• 15.2 JavaScript Events
• 15.2.1 JavaScript Event Categories
• 15.2.2 JavaScript Registering Event Handlers
• 15.2.3 JavaScript Event Handler Invocation
• 15.2.4 JavaScript Event Propagation
• 15.2.5 JavaScript Event Cancellation
• 15.2.6 JavaScript Dispatching Custom Events
• 15.3 JavaScript Scripting Documents
• 15.3.1 JavaScript Selecting Document Elements
• 15.3.2 JavaScript Document Structure and Traversal
• 15.3.3 JavaScript Attributes
• 15.3.4 JavaScript Element Content
• 15.3.5 JavaScript Creating, Inserting, and Deleting Nodes
• 15.3.6 Generating a Table of Contents
• 15.4 JavaScript Scripting CSS
• 15.4.1 JavaScript CSS Classes
• 15.4.2 JavaScript Inline Styles
• 15.4.3 JavaScript Computed Styles
• 15.4.4 JavaScript Scripting Stylesheets
• 15.4.5 JavaScript CSS Animations and Events
• 15.5 JavaScript Document Geometry and Scrolling
• 15.5.1 JavaScript Document Coordinates and Viewport Coordinates
• 15.5.2 JavaScript Querying the Geometry of an Element
• 15.5.3 JavaScript Determining the Element at a Point
• 15.5.4 JavaScript Scrolling
• 15.5.5 JavaScript Viewport Size, Content Size, and Scroll Position
• 15.6 JavaScript Web Components
• 15.6.1 JavaScript Using Web Components
• 15.6.2 JavaScript HTML Templates
• 15.6.3 JavaScript Custom Elements
• 15.6.4 JavaScript Shadow DOM
• 15.6.5 a <search-box> Web Component
• 15.7 JavaScript SVG - Scalable Vector Graphics
• 15.7.1 JavaScript SVG in HTML
• 15.7.2 JavaScript Scripting SVG
• 15.7.3 JavaScript Creating SVG Images with JavaScript
• 15.8 JavaScript Graphics in a <canvas>
• 15.8.1 JavaScript Paths and Polygons
• 15.8.2 JavaScript Canvas Dimensions and Coordinates
• 15.8.3 JavaScript Graphics Attributes
• 15.8.4 JavaScript Canvas Drawing Operations
• 15.8.5 JavaScript Coordinate System Transforms
• 15.8.6 JavaScript Clipping
• 15.8.7 JavaScript Pixel Manipulation
• 15.9 JavaScript Audio APIs
• 15.9.1 JavaScript The Audio() Constructor
• 15.9.2 JavaScript The WebAudio API
• 15.10 JavaScript Location, Navigation, and History
• 15.10.1 JavaScript Loading New Documents
• 15.10.2 JavaScript Browsing History
• 15.10.3 JavaScript History Management with hashchange Events
• 15.10.4 JavaScript History Management with pushState()
• 15.11 JavaScript Networking
• 15.11.1 JavaScript fetch()
• 15.11.2 JavaScript Server-Sent Events
• 15.11.3 JavaScript WebSockets
• 15.12 JavaScript Storage
• 15.12.1 JavaScript localStorage and sessionStorage
• 15.12.2 JavaScript Cookies
• 15.12.3 JavaScript IndexedDB
• 15.13 JavaScript Worker Threads and Messaging
• 15.13.1 JavaScript Worker Objects
• 15.13.2 JavaScript The Global Object in Workers
• 15.13.3 JavaScript Importing Code into a Worker
• 15.13.4 JavaScript Worker Execution Model
• 15.13.5 JavaScript postMessage(), MessagePorts, and MessageChannels
• 15.13.6 JavaScript Cross-Origin Messaging with postMessage()
• 15.14 The Mandelbrot Set
• 15.15 Summary and Suggestions for Further Reading]]
• 15.15.1 JavaScript HTML and CSS
• 15.15.2 JavaScript Performance
• 15.15.3 JavaScript Security
• 15.15.4 JavaScript WebAssembly
• 15.15.5 JavaScript More Document and Window Features
• 15.15.6 JavaScript Events
• 15.15.7 JavaScript Progressive Web Apps and Service Workers
• 15.15.8 JavaScript Mobile Device APIs
• 15.15.9 JavaScript Binary APIs
• 15.15.10 JavaScript Media APIs
• 15.15.11 JavaScript Cryptography and Related APIs

• 16.1 JavaScript Node Programming Basics
• 16.1.1 JavaScript Console Output
• 16.1.2 JavaScript Command-Line Arguments and Environment Variables
• 16.1.3 JavaScript Program Life Cycle
• 16.1.4 JavaScript Node Modules
• 16.1.5 JavaScript The Node Package Manager
• 16.2 JavaScript Node Is Asynchronous by Default
• 16.3 JavaScript Buffers
• 16.4 JavaScript Events and EventEmitter
• 16.5 JavaScript Streams 16.5.1 [[JavaScript Pipes
• 16.5.2 JavaScript Asynchronous Iteration
• 16.5.3 JavaScript Writing to Streams and Handling Backpressure
• 16.5.4 JavaScript Reading Streams with Events
• 16.6 JavaScript Process, CPU, and Operating System Details
• 16.7 JavaScript Working with Files
• 16.7.1 JavaScript Paths, File Descriptors, and FileHandles
• 16.7.2 JavaScript Reading Files
• 16.7.3 JavaScript Writing Files
• 16.7.4 JavaScript File Operations
• 16.7.5 JavaScript File Metadata
• 16.7.6 JavaScript Working with Directories
• 16.8 JavaScript HTTP Clients and Servers
• 16.9 JavaScript Non-HTTP Network Servers and Clients
• 16.10 JavaScript Working with Child Processes
• 16.10.1 JavaScript execSync() and execFileSync()
• 16.10.2 JavaScript exec() and execFile()
• 16.10.3 JavaScript spawn()
• 16.10.4 JavaScript fork()
• 16.11 JavaScript Worker Threads
• 16.11.1 JavaScript Creating Workers and Passing Messages
• 16.11.2 JavaScript The Worker Execution Environment
• 16.11.3 JavaScript Communication Channels and MessagePorts
• 16.11.4 JavaScript Transferring MessagePorts and Typed Arrays
• 16.11.5 JavaScript Sharing Typed Arrays Between Threads
• 16.12 Summary

• 17.1 JavaScript Linting with ESLint
• 17.2 JavaScript JavaScript Formatting with Prettier
• 17.3 JavaScript Unit Testing with Jest
• 17.4 JavaScript Package Management with npm
• 17.5 JavaScript Code Bundling
• 17.6 JavaScript Transpilation with Babel
• 17.7 Markup Expressions in JavaScript
• 17.8 JavaScript Type Checking with Flow
• 17.8.1 JavaScript Installing and Running Flow
• 17.8.2 JavaScript Using Type Annotations
• 17.8.3 JavaScript Class Types
• 17.8.4 JavaScript Object Types
• 17.8.5 JavaScript Type Aliases
• 17.8.6 JavaScript Array Types
• 17.8.7 JavaScript Other Parameterized Types
• 17.8.8 JavaScript Read-Only Types
• 17.8.9 JavaScript Function Types
• 17.8.10 JavaScript Union Types
• 17.8.11 JavaScript Enumerated Types and Discriminated Unions
• 17.9 JavaScript Summary ===Index=== [[JavaScript Index

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JavaScript String.trim, JavaScript String.replace, JavaScript String.split, JavaScript String.startsWith, JavaScript String.endsWith, JavaScript Number.parseInt, JavaScript Number.parseFloat, JavaScript Number.isNaN, JavaScript Number.isInteger, JavaScript Math Object, JavaScript Math.random, JavaScript Math.floor, JavaScript Math.ceil, JavaScript Math.round, JavaScript Math.max, JavaScript Math.min, JavaScript Math.abs, JavaScript Math.pow, JavaScript Math.sqrt, JavaScript JSON.stringify, JavaScript JSON.parse, JavaScript Promise.then, JavaScript Promise.catch, JavaScript Promise.finally, JavaScript Promise.resolve, JavaScript Promise.reject, JavaScript Promise.all, JavaScript Promise.race, JavaScript Promise.allSettled, JavaScript Async/Await Syntax, JavaScript console.log, JavaScript console.error, JavaScript console.warn, JavaScript console.info, JavaScript console.table, JavaScript console.debug, JavaScript console.group, JavaScript console.groupEnd, JavaScript console.clear, JavaScript Debugger Keyword, JavaScript Strict Mode, JavaScript Use Strict Directive, JavaScript Module Import, JavaScript Module Export, JavaScript Default Export, JavaScript Named Export, JavaScript import Keyword, JavaScript export Keyword, JavaScript Dynamic Import, JavaScript DOM (Document Object Model), JavaScript document Object, JavaScript window Object, JavaScript navigator Object, JavaScript location Object, JavaScript history Object, JavaScript screen Object, JavaScript fetch API, JavaScript XMLHttpRequest, JavaScript Event Listener, JavaScript addEventListener, JavaScript removeEventListener, JavaScript Event Bubbling, JavaScript Event Capturing, JavaScript Event Propagation, JavaScript MouseEvent, JavaScript KeyboardEvent, JavaScript TouchEvent, JavaScript CustomEvent, JavaScript dispatchEvent, JavaScript classList, JavaScript querySelector, JavaScript querySelectorAll, JavaScript getElementById, JavaScript getElementsByClassName, JavaScript getElementsByTagName, JavaScript createElement, JavaScript createTextNode, JavaScript appendChild, JavaScript removeChild, JavaScript replaceChild, JavaScript innerHTML, JavaScript textContent, JavaScript style Property, JavaScript getComputedStyle, JavaScript Local Storage, JavaScript Session Storage, JavaScript Cookie Handling, JavaScript setTimeout, JavaScript setInterval, JavaScript clearTimeout, JavaScript clearInterval, JavaScript requestAnimationFrame, JavaScript cancelAnimationFrame, JavaScript fetch(url), JavaScript fetch Options, JavaScript fetch Headers, JavaScript fetch Body, JavaScript Promise Chaining, JavaScript async Keyword, JavaScript await Keyword, JavaScript Generators, JavaScript yield Keyword, JavaScript Iterator Protocol, JavaScript Iterable Protocol, JavaScript Symbol.iterator, JavaScript for...of Loop, JavaScript for...in Loop, JavaScript Object Literal, JavaScript Shorthand Property, JavaScript Computed Property Name, JavaScript Arrow Function this Binding, JavaScript Default Parameters, JavaScript Rest Parameters, JavaScript Spread Syntax, JavaScript Destructuring Patterns, JavaScript Object Destructuring, JavaScript Array Destructuring, JavaScript Template Strings, JavaScript Tagged Templates, JavaScript Intl API, JavaScript Intl.NumberFormat, JavaScript Intl.DateTimeFormat, JavaScript Intl.Collator, JavaScript Intl.PluralRules, JavaScript Intl.RelativeTimeFormat, JavaScript Intl.ListFormat, JavaScript Intl.DisplayNames, JavaScript Intl.Locale, JavaScript Weak References, JavaScript WeakRef, JavaScript FinalizationRegistry, JavaScript Symbols, JavaScript Symbol.for, JavaScript Symbol.keyFor, JavaScript Proxy Object, JavaScript Reflect Object, JavaScript Reflect.apply, JavaScript Reflect.construct, JavaScript Reflect.defineProperty, JavaScript Reflect.deleteProperty, JavaScript Reflect.get, JavaScript Reflect.set, JavaScript Reflect.getOwnPropertyDescriptor, JavaScript Reflect.getPrototypeOf, JavaScript Reflect.setPrototypeOf, JavaScript Reflect.has, JavaScript Reflect.ownKeys, JavaScript Proxy Handlers, JavaScript Proxy get Trap, JavaScript Proxy set Trap, JavaScript Proxy has Trap, JavaScript Proxy deleteProperty Trap, JavaScript Proxy defineProperty Trap, JavaScript Proxy getOwnPropertyDescriptor Trap, JavaScript Proxy getPrototypeOf Trap, JavaScript Proxy setPrototypeOf Trap, JavaScript Proxy ownKeys Trap, JavaScript Proxy apply Trap, JavaScript Proxy construct Trap, JavaScript Strict Mode Errors, JavaScript Eval Function, JavaScript Function.prototype.call, JavaScript Function.prototype.apply, JavaScript Function.prototype.bind, JavaScript Object.prototype.toString, JavaScript Object.prototype.hasOwnProperty, JavaScript Object.prototype.isPrototypeOf, JavaScript Object.prototype.propertyIsEnumerable, JavaScript ArrayBuffer, JavaScript TypedArray, JavaScript Uint8Array, JavaScript Uint16Array, JavaScript Uint32Array, JavaScript Int8Array, JavaScript Int16Array, JavaScript Int32Array, JavaScript Float32Array, JavaScript Float64Array, JavaScript BigUint64Array, JavaScript BigInt64Array, JavaScript DataView, JavaScript Blob, JavaScript File API, JavaScript FileReader, JavaScript URL API, JavaScript URLSearchParams, JavaScript FormData, JavaScript WebSocket, JavaScript EventSource, JavaScript BroadcastChannel, JavaScript Worker, JavaScript Service Worker, JavaScript IndexedDB, JavaScript WebGL, JavaScript Canvas API, JavaScript OffscreenCanvas, JavaScript AudioContext, JavaScript VideoContext (Hypothetical), JavaScript Web Audio API, JavaScript MediaDevices, JavaScript MediaStream, JavaScript MediaRecorder, JavaScript WebRTC (Web Real-Time Communication), JavaScript RTCPeerConnection, JavaScript RTCDataChannel, JavaScript RTCSessionDescription, JavaScript RTCIceCandidate, JavaScript History API, JavaScript Push API, JavaScript Notification API, JavaScript Geolocation API, JavaScript Web Storage API, JavaScript Web Animations API, JavaScript ResizeObserver, JavaScript IntersectionObserver, JavaScript MutationObserver, JavaScript Performance API, JavaScript Performance.now, JavaScript Page Visibility API, JavaScript Fullscreen API, JavaScript Screen Orientation API, JavaScript Clipboard API, JavaScript RequestIdleCallback, JavaScript Payment Request API, JavaScript Credential Management API, JavaScript Web Speech API, JavaScript SpeechRecognition, JavaScript SpeechSynthesis, JavaScript Picture-in-Picture API, JavaScript Pointer Events, JavaScript PointerEvent, JavaScript Touch Events, JavaScript Drag and Drop API, JavaScript History.pushState, JavaScript History.replaceState, JavaScript Custom Elements, JavaScript Shadow DOM, JavaScript HTML Templates, JavaScript HTML Imports (Deprecated), JavaScript ES Modules, JavaScript CommonJS Modules, JavaScript AMD (Asynchronous Module Definition), JavaScript UMD (Universal Module Definition), JavaScript Node.js Runtime, JavaScript NPM (Node Package Manager), JavaScript Yarn Package Manager, JavaScript pnpm Package Manager, JavaScript Webpack Bundler, JavaScript Parcel Bundler, JavaScript Rollup Bundler, JavaScript Babel Transpiler, JavaScript ESLint Linter, JavaScript Prettier Formatter, JavaScript Jest Testing, JavaScript Mocha Testing, JavaScript Chai Assertion, JavaScript Jasmine Testing, JavaScript QUnit Testing, JavaScript Karma Test Runner, JavaScript WebDriver, JavaScript Protractor (Deprecated), JavaScript Cypress Testing, JavaScript Puppeteer, JavaScript Playwright, JavaScript Electron Framework, JavaScript NW.js Framework, JavaScript Gulp Task Runner, JavaScript Grunt Task Runner, JavaScript npm run Scripts, JavaScript Yarn Scripts, JavaScript ESLint Config, JavaScript Babel Preset, JavaScript Babel Plugin, JavaScript TypeScript (JavaScript Superset), JavaScript Flow Type Checker, JavaScript JSDoc Comments, JavaScript Closure Compiler, JavaScript Terser Minifier, JavaScript UglifyJS Minifier, JavaScript Web Components, JavaScript LitElement, JavaScript Polymer Library, JavaScript Angular Framework, JavaScript React Library, JavaScript Vue.js Framework, JavaScript Svelte Framework, JavaScript Preact Library, JavaScript Redux State Management, JavaScript MobX State Management, JavaScript RxJS (Reactive Extensions for JavaScript), JavaScript GraphQL Queries, JavaScript Relay Modern, JavaScript Apollo Client, JavaScript jQuery Library, JavaScript Lodash Utility, JavaScript Underscore Utility, JavaScript Moment.js Date Library, JavaScript Day.js Date Library, JavaScript Luxon Date Library, JavaScript D3.js Data Visualization, JavaScript Three.js 3D Graphics, JavaScript Phaser Game Framework, JavaScript PixiJS Rendering, JavaScript Anime.js Animation, JavaScript GSAP Animation, JavaScript Popper.js Tooltip, JavaScript Bootstrap Framework, JavaScript Material UI, JavaScript Tailwind CSS Integration, JavaScript Styled Components, JavaScript Emotion Styling, JavaScript WebAssembly Integration, JavaScript Babel Polyfill, JavaScript Core-js Polyfill, JavaScript fetch Polyfill, JavaScript Promise Polyfill, JavaScript IntersectionObserver Polyfill, JavaScript Polyfill.io Service, JavaScript regeneratorRuntime, JavaScript Zone.js, JavaScript Meteor Framework, JavaScript Next.js Framework, JavaScript Nuxt.js Framework, JavaScript Gatsby Framework, JavaScript Sapper Framework, JavaScript Ember.js Framework, JavaScript Backbone.js Framework, JavaScript Mithril.js Framework, JavaScript Alpine.js, JavaScript Stimulus.js, JavaScript Aurelia Framework, JavaScript Polymer Elements, JavaScript Angular CLI, JavaScript Create React App, JavaScript Vue CLI, JavaScript Nuxt CLI, JavaScript Gatsby CLI, JavaScript Next CLI, JavaScript Angular Ivy Compiler, JavaScript Angular Ahead-of-Time Compilation, JavaScript React Fiber, JavaScript React Hooks, JavaScript React Context API, JavaScript React Suspense, JavaScript React Concurrent Mode, JavaScript Vue Composition API, JavaScript Vuex State Management, JavaScript Quasar Framework, JavaScript Ionic Framework, JavaScript NativeScript, JavaScript React Native, JavaScript Electron IPC, JavaScript Node.js Process, JavaScript Node.js Buffer, JavaScript Node.js Stream, JavaScript Node.js EventEmitter, JavaScript Node.js fs Module, JavaScript Node.js http Module, JavaScript Node.js path Module, JavaScript Node.js os Module, JavaScript Node.js cluster, JavaScript Node.js crypto Module, JavaScript Node.js child_process Module, JavaScript Node.js readline Module, JavaScript Node.js repl Module, JavaScript Node.js vm Module, JavaScript Node.js global Object, JavaScript Node.js require Function, JavaScript Node.js exports Object, JavaScript Node.js __dirname, JavaScript Node.js __filename, JavaScript Type Assertion (TypeScript), JavaScript JIT Compilation, JavaScript Interpreter Execution, JavaScript Just-In-Time Optimization, JavaScript Inline Caches, JavaScript Hidden Classes, JavaScript Deoptimization, JavaScript V8 Engine, JavaScript SpiderMonkey Engine, JavaScript JavaScriptCore Engine, JavaScript Chakra Engine, JavaScript QuickJS Engine, JavaScript Bun Runtime, JavaScript Deno Runtime, JavaScript ESM (ECMAScript Modules), JavaScript CommonJS Require, JavaScript Tree Shaking, JavaScript Code Splitting, JavaScript Dynamic Import Expressions, JavaScript Lazy Loading, JavaScript Prefetching, JavaScript Preloading, JavaScript Service Worker Cache, JavaScript Progressive Web Apps (PWAs), JavaScript Manifest.json, JavaScript Web App Install Banner, JavaScript IndexedDB Transactions, JavaScript IDBKeyRange, JavaScript Streams API, JavaScript ReadableStream, JavaScript WritableStream, JavaScript TransformStream, JavaScript ByteLengthQueuingStrategy, JavaScript CountQueuingStrategy, JavaScript AbortController, JavaScript AbortSignal, JavaScript CanvasRenderingContext2D, JavaScript OffscreenCanvasRenderingContext2D, JavaScript WebGLRenderingContext, JavaScript WebGL2RenderingContext, JavaScript GPU Web API (WebGPU), JavaScript fetch Abort, JavaScript fetch Response, JavaScript fetch Request, JavaScript Headers Object, JavaScript FormData.append, JavaScript URLSearchParams.append, JavaScript location.reload, JavaScript location.replace, JavaScript location.assign, JavaScript location.href, JavaScript history.back, JavaScript history.forward, JavaScript history.go, JavaScript sessionStorage.setItem, JavaScript sessionStorage.getItem, JavaScript localStorage.setItem, JavaScript localStorage.getItem, JavaScript cookieStorage (Hypothetical), JavaScript Notification.requestPermission, JavaScript Notification Constructor, JavaScript PushSubscription, JavaScript PushManager, JavaScript Geolocation.getCurrentPosition, JavaScript Geolocation.watchPosition, JavaScript Performance.mark, JavaScript Performance.measure, JavaScript PerformanceEntry, JavaScript PerformanceObserver, JavaScript ResizeObserver.observe, JavaScript IntersectionObserver.observe, JavaScript MutationObserver.observe, JavaScript MutationRecord, JavaScript High Resolution Time API, JavaScript PaymentRequest, JavaScript PaymentResponse, JavaScript Credential Management, JavaScript Federated Credential, JavaScript Web Speech Recognition, JavaScript Web Speech Synthesis, JavaScript SpeechSynthesisUtterance, JavaScript SpeechSynthesisVoice, JavaScript PictureInPictureWindow, JavaScript RTCPeerConnection.createOffer, JavaScript RTCPeerConnection.createAnswer, JavaScript RTCPeerConnection.setLocalDescription, JavaScript RTCPeerConnection.setRemoteDescription, JavaScript RTCPeerConnection.addIceCandidate, JavaScript RTCIceCandidateInit, JavaScript RTCSessionDescriptionInit, JavaScript RTCDataChannel.send, JavaScript RTCDataChannel.onmessage, JavaScript RTCDataChannel.onopen, JavaScript RTCDataChannel.onclose, JavaScript RTCDataChannel.bufferedAmount, JavaScript MediaDevices.getUserMedia, JavaScript MediaDevices.getDisplayMedia, JavaScript MediaStream.getTracks, JavaScript MediaStream.addTrack, JavaScript MediaRecorder.start, JavaScript MediaRecorder.stop, JavaScript MediaRecorder.ondataavailable, JavaScript Event.preventDefault, JavaScript Event.stopPropagation, JavaScript Event.stopImmediatePropagation, JavaScript Element.classList.add, JavaScript Element.classList.remove, JavaScript Element.classList.toggle, JavaScript Element.classList.contains, JavaScript Element.getBoundingClientRect, JavaScript Element.scrollIntoView, JavaScript document.createEvent, JavaScript document.createAttribute, JavaScript document.createComment, JavaScript document.createDocumentFragment, JavaScript document.importNode, JavaScript document.adoptNode, JavaScript CSSOM Integration, JavaScript CSSStyleDeclaration, JavaScript style.setProperty, JavaScript style.getPropertyValue, JavaScript style.removeProperty, JavaScript matchMedia, JavaScript matchMedia.addListener, JavaScript matchMedia.removeListener, JavaScript CustomEvent.initCustomEvent, JavaScript DOMTokenList, JavaScript DOMParser, JavaScript XMLSerializer, JavaScript FormData.get, JavaScript FormData.set, JavaScript FormData.delete, JavaScript Intl.getCanonicalLocales, JavaScript Intl.NumberFormat.format, JavaScript Intl.DateTimeFormat.format, JavaScript Intl.Collator.compare, JavaScript Intl.PluralRules.select, JavaScript Intl.RelativeTimeFormat.format, JavaScript Intl.ListFormat.format, JavaScript Intl.DisplayNames.of, JavaScript Intl.Locale.maximize, JavaScript WeakRef.deref, JavaScript FinalizationRegistry.register, JavaScript WeakMap.get, JavaScript WeakMap.set, JavaScript WeakMap.delete, JavaScript WeakSet.add, JavaScript WeakSet.delete, JavaScript WeakSet.has, JavaScript Map.get, JavaScript Map.set, JavaScript Map.delete, JavaScript Map.has, JavaScript Set.add, JavaScript Set.delete, JavaScript Set.has, JavaScript DataView.getInt8, JavaScript DataView.getUint8, JavaScript DataView.setInt8, JavaScript DataView.setUint8, JavaScript Uint8Array.buffer, JavaScript Uint8Array.byteLength, JavaScript Int32Array.subarray, JavaScript Float64Array.fill, JavaScript BigInt64Array.set, JavaScript ArrayBuffer.slice, JavaScript CanvasGradient.addColorStop, JavaScript CanvasPattern.setTransform, JavaScript CanvasRenderingContext2D.fillRect, JavaScript CanvasRenderingContext2D.strokeRect, JavaScript CanvasRenderingContext2D.beginPath, JavaScript CanvasRenderingContext2D.arc, JavaScript CanvasRenderingContext2D.fill, JavaScript CanvasRenderingContext2D.stroke, JavaScript WebGLRenderingContext.clear, JavaScript WebGLRenderingContext.drawArrays, JavaScript OffscreenCanvas.convertToBlob, JavaScript AudioContext.createOscillator, JavaScript AudioContext.createGain, JavaScript AudioContext.destination, JavaScript AudioParam.setValueAtTime, JavaScript AudioParam.linearRampToValueAtTime, JavaScript AudioBufferSourceNode.start, JavaScript AudioBufferSourceNode.stop, JavaScript fetch.text, JavaScript fetch.json, JavaScript fetch.blob, JavaScript fetch.formData, JavaScript fetch.arrayBuffer, JavaScript Request.cache, JavaScript Request.credentials, JavaScript Request.headers, JavaScript Request.redirect, JavaScript Request.url, JavaScript Response.ok, JavaScript Response.status, JavaScript Response.statusText, JavaScript Response.headers, JavaScript Response.body, JavaScript Headers.append, JavaScript Headers.delete, JavaScript Headers.get, JavaScript Headers.has, JavaScript Headers.set, JavaScript URL.href, JavaScript URL.searchParams, JavaScript URLSearchParams.get, JavaScript URLSearchParams.set, JavaScript URLSearchParams.delete, JavaScript URLSearchParams.has, JavaScript FormData.values, JavaScript Node.js CommonJS require, JavaScript Node.js ESM import, JavaScript Web Storage localStorage, JavaScript Web Storage sessionStorage

GPT4o:

AbortController, Absolute URLs, Abstract Equality Comparison, Abstract Syntax Tree, Accessor Properties, ActiveXObject, AddEventListener Method, AJAX Calls, AJAX Polling, Alert Dialogs, Alignment of Elements, All Settled Method in Promises, Animation Frames, Anonymous Functions, API Fetching, Application Cache, Arguments Object, Arrow Functions, Art Direction in Web Design, Asynchronous Iterators, Asynchronous Programming, Async Functions, Attribute Nodes, AudioContext API, Augmented Reality in Web, Authentication Tokens, Automatic Semicolon Insertion, Autoplay Attribute, Await Expression, Backbone of JavaScript Applications, Background Scripts, Backwards Compatibility in JavaScript, Base64 Encoding, Beforeunload Event, Best Practices in JavaScript, Binary Data Handling, Binary Heap in JavaScript, Binding of Functions, Blob Objects, Block-Level Scope, Boolean Objects, Bounding Client Rect, Box Model in CSS, Break and Continue Statements, Broadcast Channels, Browser Compatibility, Browser Event Model, Browser Object Model, Buffer Objects, Built-in Objects, Button Elements, Cache API, Callback Functions, Call Method, Canvas API, Caret Position, Cascading Style Sheets Integration, Case Sensitivity in JavaScript, Change Detection, Character Encoding, Child Nodes, Class Declarations, Class Expressions, Client-Side Rendering, Clipboard API, Closures in JavaScript, Coding Conventions, Collection Objects, Color Depth Detection, Comma Operator, Comparison Operators, Compatibility Mode, Computed Properties, Conditional Comments, Conditional Operator, Console Object, Constructor Functions, Content Security Policy, Context Menu Events, Control Flow in JavaScript, Cookies Management, Copy Event, Cordova Integration, CORS (Cross-Origin Resource Sharing), Create Document Fragment, Crypto API, CSS Object Model, Custom Elements, Custom Events, Data Attributes, Data Binding in JavaScript, Data Types in JavaScript, Data URLs, Date and Time Functions, Debugger Statements, Debugging JavaScript Code, Decimal Numbers, Default Parameters, Deferred Scripts, Delay Function Execution, Delete Operator, Destructuring Assignment, Device Orientation Events, Dialog Element, Difference Between Var, Let, and Const, Digital Certificates in Web, Dimension Properties, Direction Property in CSS, Directive Prologue, Disable Right-Click, Discouraged Practices, DispatchEvent Method, Display Property in CSS, Document Base URL, Document Fragment, Document Object Model (DOM), Document Type Declaration, Doctype in HTML5, Do...While Loop, Drag and Drop API, Dynamic Imports, Dynamic Typing, E4X (ECMAScript for XML), ECMAScript Language Specification, ECMAScript Modules, Edit Distance Algorithm, Element Interface, Element Sizing, Element Traversal, Ember.js Integration, Empty Statements, EncodeURI Function, Encryption in Web Applications, Endless Scrolling Techniques, Engine Differences, Enhanced Object Literals, Enums in JavaScript, Environment Records, Error Handling in JavaScript, Error Objects, Escape Sequences, Eval Function, Event Bubbling, Event Capturing, Event Delegation, Event Handlers, Event Loop in JavaScript, Event Propagation, Event Queue, Event Source Interface, Event Target Interface, Exception Handling, Exec Command, Exponential Operator, Export Statements, Expressions in JavaScript, Extended Object Properties, Extensible Markup Language (XML), Fetch API, Fieldsets in Forms, File API, FileReader Object, Filter Method in Arrays, FinalizationRegistry, Find Method in Arrays, First-Class Functions, Floating Point Arithmetic, Focus Management, Font Loading API, Form Data Validation, Form Submission, FormData Object, Fragment Identifiers, Frame Timing API, Fullscreen API, Function Declarations, Function Expressions, Function Parameters, Function Scope, Functional Programming in JavaScript, Gamepad API, Garbage Collection in JavaScript, Generators in JavaScript, Geolocation API, getComputedStyle Method, getElementById Method, getElementsByClassName Method, getElementsByTagName Method, Global Execution Context, Global Object, Global Scope, GlobalThis Object, Grammar and Types in JavaScript, Grid Layout in CSS, GroupBy Functionality, Hash Tables in JavaScript, History API, Hoisting in JavaScript, Horizontal Rule Element, HTML Canvas Element, HTML Collection, HTML Templates, HTML5 Features, HTTP Requests, HTTP Response Codes, Hyperlinks in HTML, IIFE (Immediately Invoked Function Expression), Image Manipulation in Canvas, Image Preloading Techniques, Import Statements, In Operator, Indexed Collections, IndexedDB API, Infinity Value, Inheritance Patterns, Input Events, Input Validation, Instanceof Operator, Int32Array, Intl Object, Intersection Observer API, Intl.Collator, Intl.DateTimeFormat, Intl.NumberFormat, Invalid Date Object, IsNaN Function, Iteration Protocols, JavaScript Engines, JavaScript Modules, JavaScript Object Notation (JSON), JavaScript Operators, JavaScript Regular Expressions, JavaScript Timers, Joystick Events, JSON Methods, JSON Parse and Stringify, Keydown Event, Keyboard Events, Keyframes in CSS, Label Element in Forms, Language Chains in Testing, let Keyword, Lexical Environment, Lexical Scoping, Light DOM, Line Breaks in Strings, Linear Gradient in CSS, Link Element in HTML, Local Storage, Location Object, Logical AND Operator, Logical NOT Operator, Logical OR Operator, Loops in JavaScript, Map Object in JavaScript, Map Method in Arrays, Math Object, Media Queries in CSS, MediaRecorder API, Memory Leaks in JavaScript, Message Channels, Message Event, Meta Tags in HTML, Method Chaining, MIDI Access, Mime Types, Modals in Web Design, Module Bundlers, Mouse Events, MouseEvent Object, Mutation Observers, Named Function Expressions, Namespace Objects, Native Objects in JavaScript, Navigator Object, Nested Functions, New Operator, Node Interface, NodeList Object, Node.js Integration, Nullish Coalescing Operator, Number Object, Object.create Method, Object.assign Method, Object.defineProperty, Object.entries Method, Object.freeze Method, Object.is Method, Object.keys Method, Object.seal Method, Object.values Method, Observer Pattern in JavaScript, OffscreenCanvas API, Onclick Event, Online and Offline Events, Optional Chaining Operator, Origin Property, Output Encoding, Overflow Property in CSS, Page Visibility API, PageX and PageY Properties, ParentNode Interface, parseFloat Function, parseInt Function, Partial Application, Passive Event Listeners, Path2D Objects, Performance API, Persistent Storage, Pointer Events, Pop Method in Arrays, PopStateEvent, PostMessage Method, Promise.all Method, Promise.any Method, Promise.race Method, Promises in JavaScript, Prompt Dialogs, Prototype Chain, Prototypal Inheritance, Proxy Objects in JavaScript, Push Method in Arrays, Query Selector Methods, QueueMicrotask Function, Radio Buttons in Forms, Random Numbers in JavaScript, Range Input, Readonly Properties, Reference Errors, Reflect API, Regular Expressions, Relative URLs, Rem Units in CSS, Remote Script Execution, Request Animation Frame, Resize Events, Resize Observer API, Rest Parameters, Return Statement, Revealing Module Pattern, Reverse Method in Arrays, Rich Text Editing, Robot Framework Integration, Same-Origin Policy, Screen Orientation API, Script Tag in HTML, Scroll Events, scrollIntoView Method, scrollTo Method, Selection API, Self-Invoking Functions, Semicolons in JavaScript, Server-Sent Events, Service Workers, Set Object in JavaScript, Set Timeout and Set Interval, Shadow DOM, SharedArrayBuffer, Short-Circuit Evaluation, slice Method in Arrays, sort Method in Arrays, Source Maps, Spatial Navigation, splice Method in Arrays, Spread Operator, SQL Injection Prevention, Stack Traces, State Management in Web Apps, Static Methods, Storage Event, String Methods in JavaScript, Strict Mode, Structural Typing, Style Manipulation, Subresource Integrity, switch Statement, Symbol Data Type, Synthetic Events, Tabindex Attribute, Template Literals, Temporal Dead Zone, Text Content Property, Text Direction in CSS, Text Nodes, Throttle Function, throw Statement, Timers in JavaScript, toFixed Method, toString Method, Touch Events, Touch Interface, Traceur Compiler, Transpilers, Tree Shaking, Try...Catch Statement, Type Coercion, Typed Arrays, TypeError Exceptions, typeof Operator, Underscore.js Integration, Unicode in JavaScript, Unicode Normalization, Unary Operators, Undefined Value, Unhandled Rejection, Unit Testing in JavaScript, unshift Method in Arrays, URL API, URLSearchParams, Use Strict Directive, User Timing API, Validation in Forms, ValueOf Method, Variable Hoisting, Variables in JavaScript, Vibration API, Viewport Meta Tag, Visibility Property in CSS, Void Operator, Wake Lock API, WeakMap Object, WeakRef Object, WeakSet Object, Web Animations API, Web Audio API, Web Bluetooth API, Web Components, Web Cryptography API, Web GL, Web Notifications API, Web Real-Time Communications (WebRTC), Web Sockets, Web Speech API, Web Storage API, Web Workers, WebAssembly Integration, Wheel Event, While Loop, Window Object, Window.location Property, Window.postMessage Method, Worker Threads, XML Parsing in JavaScript, XMLHttpRequest Object, XPath Evaluation, XR (Extended Reality) APIs, Yield Keyword, Z-Index Property in CSS

JavaScript: JavaScript Fundamentals, JavaScript Inventor - JavaScript Language Designer: Brendan Eich of Netscape on December 4, 1995; JavaScript DevOps - JavaScript SRE, Cloud Native JavaScript (JavaScript on Kubernetes - JavaScript on AWS - JavaScript on Azure - JavaScript on GCP), JavaScript Microservices, JavaScript Containerization (JavaScript Docker - JavaScript on Docker Hub), Serverless JavaScript, JavaScript Data Science - JavaScript DataOps - JavaScript and Databases (JavaScript ORM), JavaScript ML - JavaScript DL, Functional JavaScript (1. JavaScript Immutability, 2. JavaScript Purity - JavaScript No Side-Effects, 3. JavaScript First-Class Functions - JavaScript Higher-Order Functions, JavaScript Lambdas - JavaScript Anonymous Functions - JavaScript Closures, JavaScript Lazy Evaluation, 4. JavaScript Recursion), Reactive JavaScript), JavaScript Concurrency (WebAssembly - WASM) - JavaScript Parallel Programming - Async JavaScript - JavaScript Async (JavaScript Await, JavaScript Promises, JavaScript Workers - Web Workers, Service Workers, Browser Main Thread), JavaScript Networking, JavaScript Security - JavaScript DevSecOps - JavaScript OAuth, JavaScript Memory Allocation (JavaScript Heap - JavaScript Stack - JavaScript Garbage Collection), JavaScript CI/CD - JavaScript Dependency Management - JavaScript DI - JavaScript IoC - JavaScript Build Pipeline, JavaScript Automation - JavaScript Scripting, JavaScript Package Managers (Cloud Monk's Package Manager Book), JavaScript Modules - JavaScript Packages (NPM and JavaScript, NVM and JavaScript, Yarn Package Manager and JavaScript), JavaScript Installation (JavaScript Windows - Chocolatey JavaScript, JavaScript macOS - Homebrew JavaScript, JavaScript on Linux), JavaScript Configuration, JavaScript Observability (JavaScript Monitoring, JavaScript Performance - JavaScript Logging), JavaScript Language Spec - JavaScript RFCs - JavaScript Roadmap, JavaScript Keywords, JavaScript Operators, JavaScript Functions, JavaScript Built-In Data Types, JavaScript Data Structures - JavaScript Algorithms, JavaScript Syntax, JavaScript OOP (1. JavaScript Encapsulation - 2. JavaScript Inheritance - 3. JavaScript Polymorphism - 4. JavaScript Abstraction), JavaScript Design Patterns - JavaScript Best Practices - JavaScript Style Guide - Clean JavaScript - JavaScript BDD, JavaScript Generics, JavaScript I/O, JavaScript Serialization - JavaScript Deserialization, JavaScript APIs, JavaScript REST - JavaScript JSON - JavaScript GraphQL, JavaScript gRPC, JavaScript on the Server (Node.js-Deno-Express.js), JavaScript Virtualization, JavaScript Development Tools: JavaScript SDK, JavaScript Compiler - JavaScript Transpiler - Babel and JavaScript, JavaScript Interpreter - JavaScript REPL, JavaScript IDEs (Visual Studio Code, JavaScript Visual Studio Code, Visual Studio, JetBrains WebStorm, JetBrains JavaScript), JavaScript Debugging (Chrome DevTools), JavaScript Linter, JavaScript Community - JavaScriptaceans - JavaScript User, JavaScript Standard Library (core-js) - JavaScript Libraries (React.js-Vue.js-htmx, jQuery) - JavaScript Frameworks (Angular), JavaScript Testing - JavaScript TDD (JavaScript TDD, Selenium, Jest, Mocha.js, Jasmine, Tape Testing (test harness), Supertest, React Testing Library, Enzyme.js React Testing, Angular TestBed), JavaScript History, JavaScript Research, JavaScript Topics, JavaScript Uses - List of JavaScript Software - Written in JavaScript - JavaScript Popularity, JavaScript Bibliography - Manning JavaScript Series- JavaScript Courses, JavaScript Glossary - JavaScript Official Glossary - Glossaire de JavaScript - French, TypeScript, Web Browser, Web Development, HTML-CSS, JavaScript GitHub, Awesome JavaScript, JavaScript Versions. (navbar_javascript - see also navbar_web_development, navbar_javascript_networking, navbar_javascript_versions, navbar_javascript_standard_library, navbar_javascript_libraries, navbar_javascript_reserved_words, navbar_javascript_functional, navbar_javascript_concurrency, navbar_javascript async, navbar_typescript)