我从关于 AngularJS 的 W3Schools 教程中得到了这个例子。我从绑定复选框范围的值到使用表达式做了一个小改动。我认为待办事项列表不会再更新了。但它仍然存在。是什么导致ng-repeat
仅仅因为我添加了一个待办事项而触发?
http://plnkr.co/edit/Kojz2ODWDS8dFDNzjYR5?p=preview
<!DOCTYPE html>
<html>
<script src= "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<body ng-app="myApp" ng-controller="todoCtrl">
<h2>My Todo List</h2>
<form ng-submit="todoAdd()">
<input type="text" ng-model="todoInput" size="50" placeholder="Add New">
<input type="submit" value="Add New">
</form>
<br>
<div ng-repeat="x in todoList">
<input type="checkbox" ng-model="x.done"> <span>{{x.todoText}}</span>
</div>
<p><button ng-click="remove()">Remove marked</button></p>
<script>
var app = angular.module('myApp', []);
app.controller('todoCtrl', function($scope) {
$scope.todoList = [{todoText:'Clean House', done:false}];
$scope.todoAdd = function() {
$scope.todoList.push({todoText:$scope.todoInput, done:false});
$scope.todoInput = "";
};
$scope.remove = function() {
var oldList = $scope.todoList;
$scope.todoList = [];
angular.forEach(oldList, function(x) {
if (!x.done) $scope.todoList.push(x);
});
};
});
</script>
</body>
</html>