void   put(key, value)
插入

   Parameters:
     key
         {string}[required]键
     value
         {string}[required]值

   Returns:
         {void}

   Example:
         var cell = new Map();
         cell.put("a","123");

---

string   get(key)
插入

   Parameters:
     key
         {string}[required]键

   Returns:
         {string}

   Example:
         var cell = new Map();
         cell.put("a","123");
         var a=cell.get("a");

---

void   remove(key)
移除

   Parameters:
     key
         {string}[required]键

   Returns:
         {void}

   Example:
         var cell = new Map();
         cell.put("a","123");
         cell.remove("a");

---

number   size()
获取Map键值对个数

   Returns:
         {number}

   Example:
         var cell = new Map();
         var num=cell.size();

---

boolean   isEmpty()
判断Map是否空

   Returns:
         {boolean}

   Example:
         var cell = new Map();
         var b=cell.isEmpty();

---

boolean   containsKey(key)
是否包含某个键

   Returns:
         {boolean}

   Example:
         var cell = new Map();
         var b=cell.containsKey("a");

---

boolean   containsValue(value)
是否包含某个值

   Returns:
         {boolean}

   Example:
         var cell = new Map();
         var b=cell.containsValue("a");

---

Array  keySet()
是否包含某个值

   Returns:
         {Array}

   Example:
         var cell = new Map();
         var mArray=cell.keySet();

---