Exercise 10.01
Month Names
var month = function(){
var names =["January", "February", "March", "April",
"May","June", "July", "August","September",
"October", "November", "December"];
return {
name:function(number){return names[number];},
number: function(name){return names.indexOf(name);}
};
}();
console.log(month.name(2));
//->March
console.log(month.number("November"));
//->10
To open the JavaScript console, press F12 or on MAC press COMMAND-OPTION-I.