ways of defining function in javascript code example

Example 1: function javascript

var x = myFunction(4, 3);     // Function is called, return value will end up in x

function myFunction(a, b) {
    return a * b;             // Function returns the product of a and b
}

Example 2: declare function javascript

function myFunction(var1, var2) {
  return var1 * var2;
}