var Map = function(){ this._entrys = new Array(); this.put = function(key, value){ if (key == null || key == undefined) { return; } var index = this._getIndex(key); if (index == -1) { var entry = new Object(); entry.key = key; entry.value = value; this._entrys[this._entrys.length] = entry; }else{ this._entrys[index].value = value; } }; this.get = function(key){ var index = this._getIndex(key); return (index != -1) ? this._entrys[index].value : null; }; this.remove = function(key){ var index = this._getIndex(key); if (index != -1) { this._entrys.splice(index, 1); } }; this.clear = function(){ this._entrys.length = 0;; }; this.contains = function(key){ var index = this._getIndex(key); return (index != -1) ? true : false; }; this.getCount = function(){ return this._entrys.length; }; this.getEntrys = function(){ return this._entrys; }; this._getIndex = function(key){ if (key == null || key == undefined) { return -1; } var _length = this._entrys.length; for (var i = 0; i < _length; i++) { var entry = this._entrys[i]; if (entry == null || entry == undefined) { continue; } if (entry.key === key) {//equal return i; } } return -1; }; this._toString = function(){ var string = ""; for (var i = 0; i < this.getEntrys().length; i++) { string += this.getEntrys()[i].key+"::"+this.getEntrys()[i].value; if(i!=this.getEntrys().length-1){ string += ";"; } } return string; }; };