//callback function this.fn_callbackTest = function(param1, param2) { console.log(param1); console.log(param2); }; //init object this.fv_objConfig; this.fn_initObject = function(){ this.fv_objConfig = { objForm : this, id : "service01", callbackFunc : this.fn_callbackTest, param1 : "p1", param2 : "p2" }; }; //call callback this.fn_testFunc = function() { var param1 = this.fv_objConfig.param1; var param2 = this.fv_objConfig.param2; var callbackFunc = this.fv_objConfig.callbackFunc; var pThis = this.fv_objConfig.objForm; if(callbackFunc){ callbackFunc.call(pThis, param1, param2); } };