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JavaScript Collections - Map, Set, Symbol

Master Map, Set & Symbol - unlock JavaScript's powerful data structures for pro development!

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JavaScript Collections - Map, Set, Symbol

5 Modules

Course Curriculum

5 Modules · 7 Chapters · 27 Topics · 151 Sub-topics

Introduction to JavaScript

1 Topics

Introduction to JavaScript

14 Sub-topics

What is JavaScript and Why Learn It

History and Evolution of JavaScript

ECMAScript Standards Overview

JavaScript vs Other Programming Languages

JavaScript Engine and Execution Context

Setting Up Your Development Environment

Using Browser Developer Console

Writing Your First JavaScript Code

Running JavaScript in Different Environments

Understanding JavaScript Syntax Basics

Case Sensitivity and Naming Conventions

Reserved Words in JavaScript

Statements and Expressions

Comments in JavaScript

Objects - Fundamentals

3 Topics

Object Basics

12 Sub-topics

Introduction to Objects

Creating Objects with Literal Notation

Object Properties and Values

Accessing Properties with Dot Notation

Accessing Properties with Bracket Notation

When to Use Each Notation

Adding New Properties

Modifying Properties

Deleting Properties

Checking Property Existence

The in Operator

hasOwnProperty Method

Object Methods and Syntax

7 Sub-topics

Object Methods Introduction

Creating Object Methods

The this Keyword in Objects

Shorthand Property Syntax

Shorthand Method Syntax

Computed Property Names

Property Descriptors Overview

Object Destructuring and Spread

5 Sub-topics

Object Destructuring

Nested Object Destructuring

Default Values in Destructuring

Spread Operator with Objects

Rest Pattern with Objects

Map and Set Collections

5 Topics

Map Collection

10 Sub-topics

Limitations of Objects as Maps

Map Collection Introduction

Creating Map Instances

Map Methods - set and get

Map Methods - has and delete

Map Methods - clear and size

Iterating Over Maps

Map keys, values, entries

Map vs Object Comparison

When to Use Map vs Object

WeakMap

3 Sub-topics

WeakMap Introduction

WeakMap Characteristics

WeakMap Use Cases

Set Collection

7 Sub-topics

Set Collection Introduction

Creating Set Instances

Set Methods - add, has, delete

Set Size and Clear

Iterating Over Sets

Set for Unique Values

Array to Set Conversion

Set Operations

3 Sub-topics

Set Operations - Union

Set Operations - Intersection

Set Operations - Difference

WeakSet

2 Sub-topics

WeakSet Introduction

WeakSet Use Cases

Map and Set Collections

5 Topics

Map Collection

10 Sub-topics

Limitations of Objects as Maps

Map Collection Introduction

Creating Map Instances

Map Methods - set and get

Map Methods - has and delete

Map Methods - clear and size

Iterating Over Maps

Map keys, values, entries

Map vs Object Comparison

When to Use Map vs Object

WeakMap

3 Sub-topics

WeakMap Introduction

WeakMap Characteristics

WeakMap Use Cases

Set Collection

7 Sub-topics

Set Collection Introduction

Creating Set Instances

Set Methods - add, has, delete

Set Size and Clear

Iterating Over Sets

Set for Unique Values

Array to Set Conversion

Set Operations

3 Sub-topics

Set Operations - Union

Set Operations - Intersection

Set Operations - Difference

WeakSet

2 Sub-topics

WeakSet Introduction

WeakSet Use Cases

Symbols

4 Topics

Symbol Basics

7 Sub-topics

Symbol Primitive Introduction

Creating Symbols

Symbol Description

Symbols are Unique

Symbols as Property Keys

Symbol Properties are Hidden

Object.getOwnPropertySymbols

Symbol Registry

2 Sub-topics

Symbol.for - Global Registry

Symbol.keyFor Method

Well-Known Symbols

6 Sub-topics

Well-Known Symbols Overview

Symbol.iterator

Symbol.toStringTag

Symbol.toPrimitive

Symbol.hasInstance

Symbol.species

Symbol Use Cases

3 Sub-topics

Practical Symbol Use Cases

Private-like Properties with Symbols

Symbols in Libraries

Map and Set Collections

5 Topics

Map Collection

10 Sub-topics

Limitations of Objects as Maps

Map Collection Introduction

Creating Map Instances

Map Methods - set and get

Map Methods - has and delete

Map Methods - clear and size

Iterating Over Maps

Map keys, values, entries

Map vs Object Comparison

When to Use Map vs Object

WeakMap

3 Sub-topics

WeakMap Introduction

WeakMap Characteristics

WeakMap Use Cases

Set Collection

7 Sub-topics

Set Collection Introduction

Creating Set Instances

Set Methods - add, has, delete

Set Size and Clear

Iterating Over Sets

Set for Unique Values

Array to Set Conversion

Set Operations

3 Sub-topics

Set Operations - Union

Set Operations - Intersection

Set Operations - Difference

WeakSet

2 Sub-topics

WeakSet Introduction

WeakSet Use Cases

Memory Management

4 Topics

Memory Concepts

5 Sub-topics

Memory Lifecycle in JavaScript

Memory Allocation

Stack vs Heap Memory

Primitive Values in Memory

Reference Values in Memory

Garbage Collection

4 Sub-topics

Garbage Collection Overview

Mark-and-Sweep Algorithm

Reference Counting

Circular References

Memory Leaks

5 Sub-topics

Memory Leaks Causes

Common Memory Leak Patterns

Global Variables and Leaks

Closures and Memory

Identifying Memory Leaks

Memory Optimization

6 Sub-topics

Memory Optimization Techniques

Object Pooling Pattern

WeakRef Introduction

WeakRef Use Cases

FinalizationRegistry Introduction

FinalizationRegistry Use Cases

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JavaScript Collections - Map, Set, Symbol

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

Start Your Journey Today

JavaScript Collections - Map, Set, Symbol

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

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