JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - What Are Objects in JavaScript

The video tutorial introduces JavaScript objects by comparing them to real-world objects like cars, explaining that both have properties and values. It then demonstrates how to create a JavaScript object using curly brackets and add properties to it, using an Instagram user as an example. The tutorial emphasizes the concept of key-value pairs in objects.

What is a key characteristic of a JavaScript object?

• It is a standalone entity with properties and types.

• It is a function that performs calculations.

• It is a method for sorting arrays.

• It is a variable that stores numbers only.

How can real-world objects be compared to JavaScript objects?

• Both are functions.

• Both are stored in arrays.

• Both are used to perform calculations.

• Both have properties and values.

What is the correct way to declare a JavaScript object?

• Using parentheses.

• Using angle brackets.

• Using curly brackets.

• Using square brackets.

Which of the following is a property of the Instagram user object in the example?

• Email

• Age

• Handle

• Location

What is meant by 'key pair values' in the context of JavaScript objects?

• A method for sorting arrays.

• A function that returns a value.

• A loop that iterates over numbers.

• A property and its assigned value.