Understanding Variables and Data Types in JavaScript

In this blog we are going to learn basic fundamentals of programming. We are exploring variables and datatypes in javascript. First we try to understand variables. So what are variables. Variables : Variables are containers that stores and manage some data. There are three ways to declare a variable in javaScript. let , var and const . syntax to declare a variable : let variableName = value ; var variableName = value ; const variableName = value ; You can use let , var and const according to you