Javascript

JS Map and Set

JavaScript provides two advanced data structures: Map (stores key-value pairs) , Set (stores unique values)

farid46Author

Table of Contents

Map

Creating a Map

Map Syntax

Map Methods

Example: Using Map Methods

Iterating Through Map

for...of

forEach()

Map vs Object

Set

Creating a Set

Set Syntax

Set Methods

Example: Set Methods

Iterating Through Set

for...of

forEach()

Converting Between Arrays and Sets

Example: Remove Duplicates

Best Practices

JavaScript provides two advanced data structures: Map (stores key-value pairs) , Set (stores unique values)

farid46Author

Table of Contents

Map

Creating a Map

Map Syntax

Map Methods

Example: Using Map Methods

Iterating Through Map

for...of

forEach()

Map vs Object

Set

Creating a Set

Set Syntax

Set Methods

Example: Set Methods

Iterating Through Set

for...of

forEach()

Converting Between Arrays and Sets

Example: Remove Duplicates

Best Practices