JS3.0 - JavaScript Variable and Constant

In this video we will learn what is a variable?, syntax and how to declare a variable? How to output value of variable? What is Constant? How to declare a constant? How to output value of constant?

---Video Timeline-----
0:00 Introduction
0:42 Real life related example for variables
2:25 How to declare a variable in JavaScript
4:26 Logging value of variable to console window
4:54 Changing variable value
5:36 Variable Names
6:39 Bad practices to avoid
7:35 Constants
8:03 Demo in stackblitz