The JavaScript language

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Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP.

We concentrate on the language itself here, with the minimum of environment-specific notes.

An introduction

  1. 1.1 An Introduction to JavaScript
  2. 1.2 Manuals and specifications
  3. 1.3 Code Editors
  4. 1.4 Developer console

JavaScript Fundamentals

  1. 2.1 Hello World
  2. 2.2 Structure
  3. 2.3 Strict Mode
  4. 2.4 Variables
  5. 2.5 Types
  6. 2.6 Alert Prompt Confirm
  7. 2.7 Type Conversions
  8. 2.8 Operators
  9. 2.9 Comparison
  10. 2.10 Ifelse
  11. 2.11 Logical Operators
  12. 2.12 Nullish Coalescing Operator
  13. 2.13 While For
  14. 2.14 Switch
  15. 2.15 Function Basics
  16. 2.16 Function Expressions
  17. 2.17 Arrow Functions Basics
  18. 2.18 Javascript Specials

Code quality

  1. 3.1 Debugging Chrome
  2. 3.2 Comments
  3. 3.3 Coding Style
  4. 3.4 Ninja Code
  5. 3.5 Testing Mocha
  6. 3.6 Polyfills

Objects: the basics

  1. 4.1 Object
  2. 4.2 Object Copy
  3. 4.3 Garbage Collection
  4. 4.4 Object Methods
  5. 4.5 Constructor New
  6. 4.6 Optional Chaining
  7. 4.7 Symbol
  8. 4.8 Object Toprimitive

Data types

  1. 5.1 Primitives Methods
  2. 5.2 Number
  3. 5.3 String
  4. 5.4 Array
  5. 5.5 Array Methods
  6. 5.6 Iterable
  7. 5.7 Map Set
  8. 5.8 Weakmap Weakset
  9. 5.9 Keys Values Entries
  10. 5.10 Destructuring Assignment
  11. 5.11 Date
  12. 5.12 Json

Advanced working with functions

  1. 6.1 Recursion
  2. 6.2 Rest Parameters Spread
  3. 6.3 Variables
  4. 6.4 Var
  5. 6.5 Global Object
  6. 6.6 Function Object
  7. 6.7 New Function
  8. 6.8 Settimeout Setinterval
  9. 6.9 Call Apply Decorators
  10. 6.10 Bind
  11. 6.11 Arrow Functions

Object properties configuration

  1. 7.1 Property Descriptors
  2. 7.2 Property Accessors

Prototypes, inheritance

  1. 8.1 Prototype Inheritance
  2. 8.2 Function Prototype
  3. 8.3 Native Prototypes
  4. 8.4 Prototype Methods

Classes

  1. 9.1 Class
  2. 9.2 Class Inheritance
  3. 9.3 Static Properties Methods
  4. 9.4 Private Protected Properties Methods
  5. 9.5 Extend Natives
  6. 9.6 Instanceof
  7. 9.7 Mixins

Error handling

  1. 10.1 Try Catch
  2. 10.2 Custom Errors

Promises, async/await

  1. 11.1 Callbacks
  2. 11.2 Promise Basics
  3. 11.3 Promise Chaining
  4. 11.4 Promise Error Handling
  5. 11.5 Promise Api
  6. 11.6 Promisify
  7. 11.7 Microtask Queue
  8. 11.8 Async Await

Generators, advanced iteration

  1. 12.1 Generators
  2. 12.2 Async Iterators Generators

Modules

  1. 13.1 Modules Intro
  2. 13.2 Import Export
  3. 13.3 Modules Dynamic Imports

Miscellaneous

  1. 14.1 Proxy
  2. 14.2 Eval
  3. 14.3 Currying Partials
  4. 14.4 Reference Type
  5. 14.5 Bigint