Function Example JavaScript

Function.js

// A function with no parameters and no return value
var myFunction = function() {
  console.log("foobar");
}

// Calling the function //
myFunction();

// A function with 1 parameter and no return value
var myFunction2 = function(variable) {
  console.log(variable);
}

// Calling the function //
myFunction2("Programming is cool");

// A function with 2 parameters and a return value
var myFunction3 = function(variable, variable2) {
  console.log(variable + variable2);
  return variable + variable2;
}

var var1 = 10;
var var2 = 20;

// Calling the function and handling the return value //
var var3 = myFunction3(var1, var2);

// Printing out the return value from the last function //
console.log(var3);

Sample code for https://nathan.nesbitt.ca/blog-posts/IntroductionToJavascript.html