奇怪的angular的js

Question

问题：

angular引入地址 不加jquery 地址 会出错？很是奇怪 不知道原因是什么？

如图：

 

错误提示：

angular.js:12450 Error: [jqLite:nosel] http://errors.angularjs.org/1.4.6/jqLite/nosel
at Error (native)
at http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:6:416
at Object.R [as element] (http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:30:34)
at n.$scope.login (http://localhost:12581/Login/Index:46:38)
at fn (eval at <anonymous> (http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:212:283), <anonymous>:4:206)
at f (http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:252:485)
at n.$eval (http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:132:452)
at n.$apply (http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:133:175)
at HTMLButtonElement.<anonymous> (http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:253:36)
at HTMLButtonElement.Ef.c (http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js:35:217)