Functions are one of the fundamental building blocks in JavaScript. A function is a set of statements that performs a task. It will take data as input, process it, and return the result as output. Function Declarations It is also called as function statement and function definition. It is the most basic…

What is the current issue? We all know that our data is not secure in this digital world. Tech giants know more about you than you know about yourself. Your friends may forget your birthday but facebook never will. But the question is how do they do that? The answer is Centralized Systems. Centralized Systems The idea…