Create 1603-design-parking-system.js

Author: everthis

1603-design-parking-system.js

@@ -0,0 +1,29 @@
+/**
+ * @param {number} big
+ * @param {number} medium
+ * @param {number} small
+ */
+const ParkingSystem = function(big, medium, small) {
+  this['3'] = small
+  this['2'] = medium
+  this['1'] = big
+};
+
+/** 
+ * @param {number} carType
+ * @return {boolean}
+ */
+ParkingSystem.prototype.addCar = function(carType) {
+  this[carType]--
+  if(this[carType] < 0) {
+    this[carType] = 0
+    return false
+  }
+  return true
+};
+
+/** 
+ * Your ParkingSystem object will be instantiated and called as such:
+ * var obj = new ParkingSystem(big, medium, small)
+ * var param_1 = obj.addCar(carType)
+ */