Function Declaration Example

script.js

 //A simple function declaration named printName that accepts username as an input parameter 
function printName(username) {
  return "Your name is : " + username;
}

//To invoke the function , i will call its name (printName) and give it a parameter e.g "Simba"
 // or "David" or "Mary" etc , try it and use your own name!
printName("Simba"); // will output : "Your name is : Simba"
printName("David"); // will output : "Your name is : David"