Introduction to functions in Javascript-What is a Function and How to write a Function in Javascript

#JavascriptFunctions
Introduction to functions in Javascript - What is a Function and How to write a Function in Javascript

In this videos i have explained about what is a function and how to write a function in javascript. Functions can help us in eliminating the duplication of code.

A function is a simple code block which can perform a specific task. In order to write a function
1) Function declaration using a 'function' keyword
2) Function calling