games/Legend-of-the-Water-Cup/assets/scripts/Handler.js

var Handler = cc.Class({
  properties: {
    callback: null,
    thisObj: null
  },
  ctor: function(callback, thisObj) {
    this.callback = callback;
    this.thisObj = thisObj;
  },
  execute: function(params = null) {
    this.callback.apply(this.thisObj, params);
  }
});