TypeError: Cannot read property '$dirty' of undefined

TypeError: Cannot read property 'map' of undefined

TypeError: Cannot read property 'then' of undefined

TypeError: Cannot read property 'top' of undefined

2016年4月20日 -  angular.js:13424 TypeError: Cannot read property '$dirty' of undefined at m.$scope.canNext (app.js:247) at fn0 (eval at <anonymous> (angula...

2016年4月20日 -  angular.js:13424 TypeError: Cannot read property '$dirty' of undefined at m.$scope.canNext (app.js:247) at fn0 (eval at <anonymous> (angula...

2016年4月20日 -  angular.js:13424 TypeError: Cannot read property '$dirty' of undefined at m.$scope.canNext (app.js:247) at fn0 (eval at <anonymous> (angula...

angularjs - Cannot read property '$valid' of undefined - ...

TypeError: Cannot read property '$dirt...的中文翻译_百度翻译