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demo2.html
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<!doctype html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.14/angular.min.js"></script>
<script>
function TodoCtrl($scope) {
$scope.todos = [
{text:'learn angular', done:true},
{text:'build an angular app', done:false}];
$scope.addTodo = function() {
$scope.todos.push({text:$scope.todoText, done:false});
$scope.todoText = '';
};
$scope.remaining = function() {
var count = 0;
angular.forEach($scope.todos, function(todo) {
// Shorthand if: Add 0 if todo.done, add 1 if todo is not done
count += todo.done ? 0 : 1;
});
return count;
};
$scope.archive = function() {
var oldTodos = $scope.todos;
$scope.todos = [];
angular.forEach(oldTodos, function(todo) {
if (!todo.done) $scope.todos.push(todo);
});
};
}
</script>
<style>
.done-true { text-decoration: line-through; }
</style>
</head>
<body>
<h2>Todo</h2>
<div ng-controller="TodoCtrl">
<span>{{remaining()}} of {{todos.length}} remaining</span>
[ <a href="" ng-click="archive()">archive</a> ]
<ul>
<li ng-repeat="todo in todos">
<label class="done-{{todo.done}}">
<input type="checkbox" ng-model="todo.done">
{{todo.text}}
</label>
</li>
</ul>
<form ng-submit="addTodo()">
<input type="text" ng-model="todoText" size="30"
placeholder="add new todo here">
<input class="btn-primary" type="submit" value="add">
</form>
</div>
</body>
</html>