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代码编辑器：

<!DOCTYPE html>
<meta charset="utf-8">
<link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/>
<script src="https://cdn.staticfile.org/angular.js/1.6.3/angular.min.js"></script>
<body ng-app="myApp" ng-controller="todoCtrl">
<h2>我的备忘录</h2>
<form ng-submit="todoAdd()">
    <input type="text" ng-model="todoInput" size="50" placeholder="新增">
    <input type="submit" value="新增">
</form>
<br>
<div ng-repeat="x in todoList">
    <input type="checkbox" ng-model="x.done"> <span ng-bind="x.todoText"></span>
</div>
<p><button ng-click="remove()">删除记录</button></p>
<footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
<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>

代码编辑器：

运行结果：