datachannel_test3.js

  /**
   * 初期化
   * @param {Object} option {
   *   videoElementId: "",
   *   iceCandidateCallback: function() {},
   *   dataChannels: [{
   *     label: 'test channel',
   *     option: {
   *       ordered: false, // 順序を保証しない
   *       maxRetransmitTime: 3000, // ミリ秒
   *     },
   *     onmessageCallback: function() {
   *       console.log("test channel received!!");
   *     }
   *   }]
   * }
   */
  init: function(option) {
    this.option = option;
    this.peer = null;
    this.localStream = null;
    this.isStartVideo = false;
    this.dataChannels = {};
    this.remoteDataChannels = {};
  },