Objects are the backbone of the javascript eco-system. Understanding it like a understanding language DNA's. Here are the deep dive into how they works and why they are the MVP or your codebase.

Content List

What objects are and why they are needed

Creating objects

Accessing properties

Updating object properties

Adding and deleting properties

Looping through object keys

What objects are and why they are needed

In programming we ofter need to represent complex entitis. A simple variables like string or number can only hold one piece of data, however real world item have a multiple characterstics.

A objects are a collection or properties & methods, they store values in key-values pairs.

You might thinking is really we need object there is why:

without object keeping track of related data is messy, imagin you have to store a user profile data, keeping each data in single variable like username , userEmail , and userAge . If there are 100 user then you have to manage 300 disconnected variable.…