// 定义map
function Map() {this.container = {};
}
// 将key-value放入map中
Map.prototype.put = function(key, value) {try {if (key != null && key != "")this.container[key] = value;} catch (e) {return e;}
};
// 根据key从map中取出对应的value
Map.prototype.get = function(key) {try {return this.container[key];} catch (e) {return e;}
};
// 判断map中是否包含指定的key
Map.prototype.containsKey = function(key) {try {for (var p in this.container) {if (this.p == key)return true;}return false;} catch (e) {return e;}
}
// 判断map中是否包含指定的value
Map.prototype.containsValue = function(value) {try {for (var p in this.container) {if (this.container[p] === value)return true;}return false;} catch (e) {return e;}
};
// 删除map中指定的key
Map.prototype.remove = function(key) {try {delete this.container[key];} catch (e) {return e;}
};
// 清空map
Map.prototype.clear = function() {try {delete this.container;this.container = {};} catch (e) {return e;}
};
// 判断map是否为空
Map.prototype.isEmpty = function() {if (this.keyArray().length == 0)return true;elsereturn false;
};
// 获取map的大小
Map.prototype.size = function() {return this.keyArray().length;
}
// 返回map中的key值数组
Map.prototype.keyArray = function() {var keys = new Array();for (var p in this.container) {keys.push(p);}return keys;
}
// 返回map中的value值数组
Map.prototype.valueArray = function() {var values = new Array();var keys = this.keyArray();for (var i = 0; i < keys.length; i++) {values.push(this.container[keys[i]]);}return values;
}