javascript Map 구현

// ---------------------------------- // Map 정의 // ---------------------------------- var Map = function () {     this._array = new Array(); // Map배열     this.pointer = 0;     this._getIndexByKey = function (key) {         for (var i = 0; i < this._array.length; i++) {             if (key == this._array[i][0]) {                 return i;             }         }         return -1;     }     this.put = function (key, value) {         var index = this._getIndexByKey(key)         if (index == -1) {             var newArray = new Array(); // key와value를 담는 배열             newArray[0] = key;             newArray[1] = value;             this._array[this._array.length] = newArray;         } else {             this._array[index][1] = value;         }     }     this.get = function (key) {         for (var i = 0; i < this._array.length; i++) {             if (this._array[i][0] == key)                 return this._array[i][1];         }     }     this.isNext = function () {         var result;         if (this._array.length > this.pointer) {             result = true;         } else {             result = false;         }         this.pointer++;         return result;     }     this.size = function () {         return this._array.length;     }     this.nowKey = function () {         return this._array[this.pointer - 1][0];     }     this.nowValue = function () {         return this._array[this.pointer - 1][1];     } }

/*============================================================================== Function : javaScript Map Return   : examples : : get(key), getKey(value), put(key, value), size(), remove(key), clear(), keys(), values(), containsKey(key), containsValue(value), isEmpty(), putAll(map), toString(separator) ==============================================================================*/ function Map(Delimitor) {     this.Delimitor = (Delimitor == null ? "||" : Delimitor);     this._MapClass = new ActiveXObject("Scripting.Dictionary");     this.get = function (key) { return this._MapClass.exists(key) ? this._MapClass.item(key) : null; }     this.getKey = function (value) {         var keys = this.keys();         var values = this.values();         for (var i in values) {             if (value == values[i]) return keys[i];         }         return "";     }     this.put = function (key, value) {         var oldValue = this._MapClass.item(key);         this._MapClass.item(key) = value;         return value;     }     this.size = function () { return this._MapClass.count; }     this.remove = function (key) {         var value = this._MapClass.item(key);         this._MapClass.remove(key);         return value;     }     this.clear = function () {         this._MapClass.removeAll();     }     this.keys = function () {         return this._MapClass.keys().toArray();     }     this.values = function () {         return this._MapClass.items().toArray();     }     this.containsKey = function (key) {         return this._MapClass.exists(key);     }     this.containsValue = function (value) {         var values = this.values();         for (var i in values) {             if (value == values[i]) {                 return true;             }         }         return false;     }     this.isEmpty = function () { return this.size() <= 0; }     this.putAll = function (map) {         if (!(map instanceof Map)) {             throw new Error(0, "Map.putAll(Map) method are required Map type parameter.");         }         var keys = map.keys();         for (var i in keys) {             this.put(keys[i], map.get(keys[i]));         }         return this;     }     this.toString = function (separator) {         var keys = this.keys();         var result = "";         separator = separator == null ? "&" : separator;         for (var i in keys) {             result += (keys[i] + this.Delimitor + this._MapClass.item(keys[i]));             if (i < this.size() - 1) {                 result += separator;             }         }         return result;     } }