示例：
<!DOCTYPE html>
<html ng-app="MyApp">
<head>
<title>Study 4</title>
<script type="text/javascript" src="js/angular.js"></script>
</head>
<body>
<div ng-controller="testController">
<h1>{{model.newTitle}}</h1>
Name:<input type="text" ng-model="model.name" />
Fraction:<input type="text" ng-model="model.fraction" />
<input type="button" ng-click="add(model.fraction)" value="Add" />
<ul>
<li ng-repeat="item in model.options">
<b>{{$index+1}}</b>
<input type="text" ng-model="item.content" value="item.content" />
<a href="javascript:void(0)" ng-click="del($index)">Delete</a>
</li>
</ul>
<hr />
<div>
<h1>{{model.previewTitle}}</h1>
<b>{{model.name}}</b>({{model.fraction}})
<ul>
<li ng-repeat="item in model.options">
<b>{{$index + 1}}</b>
<input type="radio" name="rdCheck" />
{{item.content}}
</li>
</ul>
</div>
</div>
<script type="text/javascript">
var app = angular.module("MyApp", [], function() { });
var myModel = {
newTitle: "Title",
previewTitle: "Preview Title",
name: "Robin",
fraction: "100",
options: []
};
app.controller("testController", function($scope) {
$scope.model = myModel;
$scope.add = function(text) {
var obj = { content: text };
$scope.model.options.push(obj);
};
$scope.del = function(index) {
$scope.model.options.splice(index, 1);
};
});
</script>
</body>
</html>