Angularjs類確認按鈕

Question

我想爲我的網站的用戶創建一個「確認」按鈕，以查看他們何時單擊按鈕，並且我正在使用angularJS類。我的代碼如下：

class TodosListCtrl { 
    constructor($scope, $window){ 
    $scope.viewModel(this); 
    this.$scope = $scope; 
    } 
//... a bunch of functions 
    Clear(){ 
    var delete = this.$scope.confirm("Are you sure you want to clear the text?"); 
    if(delete){ 
     //delete stuff 
    } 
} 

但每次我點擊調用按鈕時「清除（）」函數，我得到的錯誤

"this.$scope.confirm is not a function at TodosListCtrl.Clear" 

有誰知道爲什麼發生這種情況，以及我如何解決這個問題？

Answer 1

就拿this.$scope斷this.$scope.confirm：

class TodosListCtrl { 
    constructor($scope, $window){ 
    $scope.viewModel(this); 
    this.$scope = $scope; 
    } 
//... a bunch of functions 
    Clear(){ 
    var delete = confirm("Are you sure you want to clear the text?"); 
    if(delete){ 
     //delete stuff 
    } 
}