Log for OKTW Network

function MapSet() {
  this._data = {};
  this.add = function (key, data) {
    this._data[key] = this._data[key] || [];
    this._data[key].push(data);
  }
  this.get = function (key) {
    this._data[key] = this._data[key] || [];
    return this._data[key] 
  }
  this.clear = function () {
    this._data = {};
  }
}