Functions Reusable block of code designed to perform a specific task. Fundamental building blocks in JavaScript. ia similar to procedure -A set of statements to perform a task. Procedure to qualify as a function , it Take inputs,perform action and return outputs Use a function,define it somewhere in the scope Allows to reuse,organise and modlarise code Defining Functions or Function Declaration A function definition (also called a function declaration, or function statement) consists of the function keyword, The name of the function. A list of parameters to the function, enclosed in parentheses and separated by commas. The JavaScript statements that define the function, enclosed in curly braces, { /* … */ }.…