<div ng-controller="Controller">
<form novalidate class="simple-form">
Name: <input type="text" ng-model="user.name" /><br />
E-mail: <input type="email" ng-model="user.email" /><br />
Gender: <input type="radio" ng-model="user.gender" value="male" />male
<input type="radio" ng-model="user.gender" value="female" />female<br />
<button ng-click="reset()">RESET</button>
<button ng-click="update(user)">SAVE</button>
</form>
<pre>form = {{user | json}}</pre>
<pre>master = {{master | json}}</pre>
</div>
<script type="text/javascript" src="http://cdn.bootcss.com/angular.js/1.4.9/angular.min.js"></script>
<script>
//eg.
angular.module('copyApp', [])
.controller('Controller', function($scope) {
$scope.master= {};
var test1;
console.log(angular.copy(test1));//undefined
var test3=null;
console.log(angular.copy(test2));//undefined
var test2 = "a";
// console.log(angular.copy(test2,test2));//error!!
$scope.update = function(user) {
// Example with 1 argument
$scope.master= angular.copy(user);
};
$scope.reset = function() {
// Example with 2 arguments
angular.copy($scope.master, $scope.user);
console.log($scope.master);
console.log($scope.user);
};
$scope.reset();
})
/*var obj = {
name:'Kevin',
age:24
};
var copyObj = angular.copy(obj);
console.log(copyObj);*/
/*
* angular.copy(source,[destination])
* 作用：对象的深拷贝
* 参数：
* source：源对象
* destination：拷贝的目的地
* 返回值：拷贝的对象
*/
</script>
