我是 AngularJS 的新手，目前，我正在 AngularJS 中做控制器，但我不知道angular is not defined如果有人知道這個問題，我會收到第 21 行錯誤通知我。
<!DOCTYPE html>
<html lang="en" ng-app="myLangApp">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.8.2/angular.min.js" integrity="sha512-7oYXeK0OxTFxndh0erL8FsjGvrl2VMDor6fVqzlLGfwOQQqTbYsGPv4ZZ15QHfSk80doyaM0ZJdvkyDcVO7KFA==" crossorigin="anonymous" referrerpolicy="no-referrer" async></script>
</head>
<body>
<div ng-controller="language">
Select your favorite language:
<button ng-click="selectLanguage('PHP')">PHP</button>
<button ng-click="selectLanguage('javascript')">javascript</button>
<button ng-click="selectLanguage('cpp')">cpp</button>
<button ng-click="selectLanguage('java')">java</button>
<p>You have selected: {{ myFavLang }}</p>
</div>
<script>
var app = angular.module('myLangApp', []);
app.controller('language',($scope)=>{
$scope.myFavLang = 'None';
})
</script>
</body>
</html>uj5u.com熱心網友回復：
只需添加簡單的腳本來加載角度
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.8.2/angular.min.js" ></script>
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