Literal notation and constructor notation

literal_notation_and_contructor_notation.js

// Literal notation
var config = {
  openOnLoad: false,
  defaultName: "Jane"
};

// Constructor notation
var config = new Object();
config.openOnLoad = false;
config.defaultName = "Jane";

// ----------------------------

// Works even though declared before (not set to variable)
console.log( adder(1,2) );

// Not declared after function - results in error
console.log(subtractor(5,3)); 
console.log(apple);

var subtraction = functions(x,y){
  return x-y;
}

function adder(x, y) {
  return x+y;
}

var adder = new Function("x", "y", "return x+y");