Objects and Arrays

Core data structures for storing collections and complex entities.

Objects: Basics and Syntax

theory

Copying Objects and References

theory

Garbage Collection

theory

Object Methods and "this"

theory

Constructors and the "new" Operator

theory

Arrays: Order Matters

theory

Iterating and Transforming Arrays

theory

Destructuring: Unpacking Data

theory

Property Flags and Descriptors

theory

Property Accessors: Getters and Setters

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Iterables

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Protecting Objects: Freeze and Seal

theory

Binary Data: ArrayBuffer and Blob

theory