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About the Book

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Written by Marijn Haverbeke.

Licensed under a Creative Commons attribution-noncommercial license. All code in this book may also be considered licensed under an MIT license.

Illustrations by various artists: Sea of bits (chapter 1) and weresquirrel (chapter 4) by Margarita Martínez and José Menor. Octopuses (chapter 2 and 4) by Jim Tierney. Object with on/off switch (chapter 6) by Dyle MacGregor. Regular expression diagrams in chapter 9 generated with regexper.com by Jeff Avallone. Game concept for chapter 15 by Thomas Palef.

THIS IS A UNNOFICIAL VERSION OF THE BOOK "ELOQUENT JAVASCRIPT". THE OBJECTIVE OF THAT WORK IS EXCLUSIVELY HELP THE READERS TO DOING IT IN A MORE CONFORTABLE WAY.

PLEASE, TAKE A LOOK AT THE ORIGINAL SOURCE AT >>> http://eloquentjavascript.net/, 

OR THE DIRECT LINK TO THE SECOND VERSION IN PROGRESS HERE >>> http://eloquentjavascript.net/

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About the Author

Eric Douglas
Eric Douglas

Remember that do good to others will always be the best thing you could do to yourself <3

Table of Contents

  • Introduction
    • On Programming
    • Why language matters
    • What is JavaScript?
    • Code, and what to do with it
    • Typographic conventions
  • Chapter 1 - Values, Types, and Operators
    • Values
    • Numbers
    • Strings
    • Unary operators
    • Boolean values
    • Undefined values
    • Automatic type conversion
    • Summary
  • Chapter 2 - Program Structure
    • Expressions and statements
    • Variables
    • Keywords and reserved words
    • The environment
    • Functions
    • The console.log function
    • Return values
    • Prompt and Confirm
    • Control flow
    • Conditional execution
    • while and do loops
    • Indenting Code
    • for loops
    • Breaking Out of a Loop
    • Updating variables succinctly
    • Dispatching on a value with switch
    • Capitalization
    • Comments
    • Summary
    • Exercises
  • Chapter 3 - Functions
    • Defining a function
    • Parameters and scopes
    • Nested scope
    • Functions as values
    • Declaration notation
    • The call stack
    • Optional Arguments
    • Closure
    • Recursion
    • Growing functions
    • Functions and side effects
    • Summary
    • Exercises
  • Chapter 4 - Data Structures: Object and Array
    • The weresquirrel
    • Data sets
    • Properties
    • Methods
    • Objects
    • Mutability
    • The Lycanthrope’s log
    • Computing correlation
    • Objects as maps
    • The final analysis
    • Further arrayology
    • Strings and their properties
    • The arguments object
    • The Math object
    • The global object
    • Summary
    • Exercises
  • Chapter 5 - Higher-Order Functions
    • Abstraction
    • Abstracting array traversal
    • Higher-order functions
    • Passing on arguments
    • Example data
    • JSON
    • Filtering an array
    • Transforming with map
    • Summarizing with reduce
    • Composability
    • The cost
    • Great-great-great-great-…
    • Binding
    • Summary
    • Exercises
  • Chapter 6 - The Secret Life of Objects
    • History
    • Methods
    • Prototypes
    • Constructors
    • Overriding derived properties
    • Prototype interference
    • Prototype-less objects
    • Polymorphism
    • Laying out a table
    • Getters and setters
    • Inheritance
    • The instanceof operator
    • Summary
    • Exercises
  • Chapter 7 - Project: Electronic Life
    • Definition
    • Representing space
    • A critter’s programming interface
    • The world object
    • this and its scope
    • Animating life
    • It moves
    • More life forms
    • A more lifelike simulation
    • Action handlers
    • Populating the new world
    • Bringing it to life
    • Exercises
  • Chapter 8 - Bugs and Error Handling
    • Programmer mistakes
    • Strict mode
    • Testing
    • Debugging
    • Error propagation
    • Exceptions
    • Cleaning up after exceptions
    • Selective catching
    • Assertions
    • Summary
    • Exercises
  • Chapter 9 - Regular Expressions
    • Creating a regular expression
    • Testing for matches
    • Matching a set of characters
    • Repeating parts of a pattern
    • Grouping subexpressions
    • Matches and groups
    • The date type
    • Word and string boundaries
    • Choice patterns
    • The mechanics of matching
    • Backtracking
    • The replace method
    • Greed
    • Dynamically creating RegExp objects
    • The search method
    • The lastIndex property
    • Looping over matches
    • Parsing an INI file
    • International characters
    • Summary
    • Exercises
  • Chapter 10 - Modules
    • Why modules help
    • Namespacing
    • Reuse
    • Decoupling
    • Using functions as namespaces
    • Objects as interfaces
    • Detaching from the global scope
    • Evaluating data as code
    • Require
    • Slow-loading modules
    • Interface design
    • Predictability
    • Composability
    • Layered interfaces
    • Summary
    • Exercises
  • Chapter 11 - Project: A Programming Language
    • Parsing
    • The evaluator
    • Special forms
    • The environment
    • Functions
    • Compilation
    • Cheating
    • Exercises
  • Chapter 12 - JavaScript and the Browser
    • Networks and the Internet
    • The Web
    • HTML
    • HTML and JavaScript
    • In the sandbox
    • Compatibility and the browser wars
  • Chapter 13 - The Document Object Model
    • Document structure
    • Trees
    • The standard
    • Moving through the tree
    • Finding elements
    • Changing the document
    • Creating nodes
    • Attributes
    • Layout
    • Styling
    • Cascading styles
    • Query selectors
    • Positioning and animating
    • Summary
    • Exercises
  • Chapter 14 - Handling Events
    • Event handlers
    • Events and DOM nodes
    • Event objects
    • Propagation
    • Default actions
    • Key events
    • Mouse clicks
    • Mouse motion
    • Scroll events
    • Focus Events
    • Load Event
    • Script execution timeline
    • Setting timers
    • Debouncing
    • Summary
    • Exercises
  • Chapter 15 - Project: A Platform Game
    • The game
    • The technology
    • Levels
    • Reading a level
    • Actors
    • Encapsulation as a burden
    • Drawing
    • Motion and collision
    • Actors and actions
    • Tracking keys
    • Running the game
    • Exercises

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