时收到错误消息当我检查它,有没有错误,它返回什么的话,显然不运行:AngularJS代码不运行和检查
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="styles/bootstrap.min.css">
<style>
.message {
font-size: 1.3em;
font-weight: bold;
}
</style>
<script src="angular.min.js"></script>
</head>
<body ng-app='LunchChecker'>
<div class="container" ng-controller='MyLunchCheckController'>
<h1>Lunch Checker</h1>
<div class="form-group">
<input id="lunch-menu" type="text" placeholder="list comma separated dishes
you usually have for lunch" class="form-control" ng-model='MenuInput'>
</div>
<div class="form-group">
<button class="btn btn-default" ng-click="checkInput()">
Check If Too Much</button>
</div>
<div class="form-group message" {{checkInput()}}>
<!-- Your message can go here. -->
</div>
</div>
<script src="app.js"></script>
</body>
</html>
下面是上述观点的app.js
脚本代码的目的是返回要么msg1
如果输入小于3菜单或msg2
如果输入超过3:
(function() {
'use strict';
angular.module('LunchChecker', [])
.controller('MyLunchCheckController', MyLunchCheckController);
MyLunchCheckController.$inject = ['$scope'];
function MyLunchCheckController($scope) {
$scope.MenuInput = [].slice;
$scope.values = new Array($scope.MenuInput.length);
$scope.msg1 = "Enjoy!";
$scope.msg2 = "Too much!";
//fucntion for the button to check the user input menu-list
$scope.checkInput = function() {
for (var i = 0; i < $scope.values; i++) {
if ($scope.values <= 3) {
return $scope.msg1;
} else {
return $scope.msg2;
}
}
};
}
})();
:用于显示信息,你可以写什么样的?您正在初始化的值在文本框中写入任何内容之前完成。如果我理解这个错误,你能为此创造一个蹲点吗? –
@ Vineet Agrawal这正是我想要的页面显示:如果用户在这个地方持有人键入“列表逗号分开的菜肴,你通常吃午饭”,他们的午餐名单少于或等于3我应该得到msg1其他msg2所以页面加载时没有任何内容被传递!当你说“你正在初始化的值是在文本框中写入任何内容之前完成的”。我有点困惑!请把我当作初学者,并从这个角度帮助谢谢。 –
https://rexie18.github.io/AngularJs-mod1-solution/ –