Javascript Programming Basics

Most of the time, objects will have child objects in Javascript. Simply put, objects inside of another object. Here is an example of the bankAccount object. I want you to take a moment and understand the bankAccount object illustrated above. It has three levels of child objects. If we translate

How to access the data inside an object There are two ways for this. The Object Dot Notation We can access the value of a particular property by using something called Object Dot notation. It simply means that you have to write the name of the object, followed by a

The Problem If you remember, we previously worked on an exercise called "Personal Variables". And here are my personal variables, yours will be different: let firstName = "Naresh"; let lastName = "Devineni"; let age = 34; let father = "D. Narsaiah"; let mother = "D. Laxmi&

If you understand objects, then you understand Javascript. If there are no objects, then there is no Javascript. Remember that when reading the rest of the lesson :) So far, we learned how to store simple values inside a variable. For example: const name = "Naresh Devineni"; // String let age

Yes, both undefined and null can be used as values in Javascript. You'll come across a lot of undefined and null values when you are creating components. So, it is important you know the difference between them. Most people think that both null and undefined values are the

You are now equipped with enough knowledge to create variables and store data in them. So let's have a small exercise where you create variables for storing your personal information. You can use a Javascript playground like CodePen, Plunkr, or RunJS App for this exercise. If you are