declaring a function in javascript definition code example

Example 1: javascript function

// variable:
var num1;
var num2;
// function:
function newFunction(num1, num2){
	return num1 * num2;
}

Example 2: How to create a function in javascript

function addfunc(a, b) {
  return a + b;
  // standard long function
}

addfunc = (a, b) => { return a + b; }
// cleaner faster way creating functions!