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- var cart = function(spec,my){
- // Private vars and functions
- var iNumItemsOrdered = 0;
- var iNumItemsLeft= 2;
- my = my || {};
- init();
- function init(){
- if (spec){
- my.sItemLabel = spec
- }else{
- my.sItemLabel = "Item";
- }
- }
- // Protected
- my.checkItemInventory = function(){
- return (iNumItemsLeft > 0);
- }
- //Public api
- var that = {
- createCart:function(){
- console.log("CART. cart created.");
- },
- placeOrder:function(){
- console.log("CART. placed order for " + iNumItemsOrdered + " " + my.sItemLabel + "s.");
- },
- addItemToCart:function(){
- if (my.checkItemInventory()){
- iNumItemsOrdered++;
- console.log("CART. " + my.sItemLabel + " added.");
- iNumItemsLeft--;
- }else{
- console.log("CART. sorry " + my.sItemLabel + "s all gone!");
- }
- }
- }
- return that;
- };
- var sooperCart = function(spec,my){
- my = my || {};
- // "Inherit" all methods from cart
- var that = cart(spec,my);
- // Add additional method
- that.addAllItems = function(){
- console.log("CART. add ALL " + my.sItemLabel + ".");
- while (my.checkItemInventory()){
- that.addItemToCart();
- }
- }
- return that;
- };
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