<div ng-app="myApp" ng-controller="myCtrl">
 <!-- novalidate:当提交表单时不对表单数据（输入）进行验证 -->
 <form novalidate>
  First Name:<input type="text" ng-model="user.firstName"><br>
  Last Name:<input type="text" ng-model="user.lastName">
  <br><br>
  <button ng-click="reset()">RESET</button>
 </form>
 <p>form = {{user }}</p>
 <p><font color="red">initInfo = {{initInfo}}</font></p>
</div>

var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
  $scope.initInfo = {firstName:"squirrel", lastName:"Python"};
  $scope.reset = function() {
    $scope.user = angular.copy($scope.initInfo); // user对象等于master对象：深复制
  };
  //JS扫描脚本时会自动调用reset方法进行输入框信息的初始化
  $scope.reset();
});