JavaScript Objects - Advanced

Step 1Advanced

Object Definitions

• Using an Object Literal
• Using the new Keyword
• Using an Object Constructor
• Using Object.assign()
• Using Object.create()
• Using Object.fromEntries()

Step 2Advanced

Object this

When used in an object method, this refers to the object.

Step 3Advanced

Object Iterations

• Object.entries(object)
• Object.keys(object)
• Object.values(object)
• Object.groupBy(object, callback)

Step 4Advanced

Object Get & Set

Getters and setters allow you to define Object Accessors (Computed Properties).

Step 5Advanced

Object Management

• Accessing property descriptors
• Adding or changing properties

Step 6Advanced

Object Protection

• Prevents changes to an object
• Prevents adding properties
• Prevents deleting properties

Step 7Advanced

Object Prototypes

• JavaScript objects inherit properties and methods from a prototype

Step 8Advanced

Object Reference

• All Object Methods and Properties
• Revised July 2025