JavaScript

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Last Update	09/13/2026
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Javascript Basic Intermediate Advanced

Section 1: Getting Started

6Lessons ·
- 2: Setting Up a Development Environment
  
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Section 2: Core Syntax and Types

10Lessons ·
- 12: Operator Precedence
  
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- 13: Template Literals
  
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- 14: Tagged Templates
  
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Section 4: Control Flow

5Lessons ·
- 24: Loops: for, while, for...of, for...in
  
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Section 5: Functions

11Lessons ·
- 29: Arrow Functions
  
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- 31: Closures Explained
  
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- 35: Recursion in JavaScript
  
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Section 6: Objects and Arrays

12Lessons ·
- 39: Object Literals and Property Access
  
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- 40: Property Descriptors and Getters/Setters
  
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- 42: Spread and Rest Syntax
  
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- 44: Array Methods: find, some, every
  
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- 46: Sorting and Comparing Arrays
  
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Section 7: Maps, Sets, and Symbols

4Lessons ·
- 52: The Set Object
  
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Section 8: Asynchronous JavaScript

13Lessons ·
- 60: Promise Chaining
  
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Section 9: Object-Oriented and Prototypes

9Lessons ·
- 69: The Prototype Chain
  
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Section 13: Functional Programming Patterns

6Lessons ·
- 113: Declarative vs Imperative Style
  
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Section 14: Error Handling and Debugging

6Lessons ·
- 115: Try/Catch and Custom Error Classes
  
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Section 20: Regular Expressions

6Lessons ·
- 151: Groups, Flags, and Global Matching
  
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Section 21: Design Patterns in JavaScript

7Lessons ·
- 157: The Singleton Pattern
  
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- 160: The Revealing Module Pattern
  
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- 161: The Command Pattern
  
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Section 23: Data Structures and Algorithms in JavaScript

12Lessons ·
- 174: Implementing a Trie
  
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- 177: Implementing Binary Search
  
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Section 27: Working with Dates and Internationalization

4Lessons ·
- 203: The Date Object in Depth
  
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Section 31: More Practice Projects

6Lessons ·
- 224: Building a Password Strength Meter
  
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Section 32: Interview and Algorithm Practice

8Lessons ·