Naresh Devineni

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

In the last couple of lessons, we learned how to create variables and name them. Now, let's see what data types you can store inside a variable. So, what is a data type? Data simply means a unit of information such as: 1. 34 (Age) 2. "Naresh

Coding Styles There are multiple coding styles for declaring and using variables. We can also declare and assign values to multiple variables in the same line: let name = "Naresh Devineni", age = 34, education = "Computer Science"; If you notice, the let keyword is used only once for