【angular】笔记 angular.copy

<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>