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33 required属于原生html中input标签的属性，只要出现required就意味着必填，required="sth"，sth存不存在，或者内容是什么都无所谓； ng-required则可以动态调整是否必填 例如 我想要用户输入firstname和lastname 只有输入了firstname之后，才必须输入lastname ng-app> > > >Title> > ng-controller> > >first name:> ng-model required> > >second name:> ng-model ng-required> ng-showrequired">last name required> > ><> > var myApp = angular.module("myApp",[]); myApp.controller("ctrl",["$scope",function ($scope) { //add here }]); > > > 原文链接：https://www.f2er.com/note/421435.html
