js调用flex的代码

/** * [callparentflaex 调用flex方法并返回] * @param  {[String]} id    [html中flex的id] * @param  {[String]} call  [被调用的flex方法名] * @param  {[Object]} param [被调用的flex方法参数] * @return {[object]}       [返回值] */function callparentflaex(id,call,param){var isflex=window.parent.document.getElementById(id);if(call in isflex){if(param == null){return isflex[call]();}else   return isflex[call](param);}}