added command pattern

chuanxshi · chuanxshi · commit cdfc5a5b43d0 · 2011-12-16T22:53:13.000+08:00
diff --git a/design-patterns/command.html b/design-patterns/command.html
@@ -0,0 +1,38 @@
+<!doctype html>
+<html lang="en">
+<head>
+<title>JavaScript Patterns</title>
+<meta charset="utf-8">
+</head>
+<body>
+<script>
+(function () {
+  
+  var CarManager = {
+    
+    /* request information */
+    requestInfo: function(model, id) {
+      return 'The purchase info for ' + model + ' with ID ' + id + ' is being processed...';
+    },
+    
+    /* purchase the car */
+    buyVehicle: function(model, id) {
+      return 'You have successfully purchased Item ' + id + ', a ' + model + '.';
+    }
+    
+  };
+  
+  CarManager.execute = function (commad) {
+    return CarManager[commad.request](commad.model,commad.carID);
+  };
+  
+  var actionA = CarManager.execute({request: "requestInfo", model: 'Ford Mondeo', carID: '543434'});
+  console.log(actionA);
+  var actionB = CarManager.execute({request: "buyVehicle", model: 'Ford Mondeo', carID: '543434'});
+  console.log(actionB);
+  
+})();
+
+</script>
+</body>
+</html>
