我是新來AngularJS,我試圖削減/片/從變量($ scope.checkTotal)刪除最後一個字符時NG-點擊=「德爾() 「被點擊。
也許我的做法是錯誤的,但到目前爲止,我已經試過:
$scope.checkTotal.slice($scope.checkTotal, -1);
$scope.checkTotal.substring(0, $scope.checkTotal.length - 1);
$scope.checkTotal.substring(0, length - 1);
.controller('tipController', function($scope) {
// Numpad
$scope.checkTotal = '0.00';
$scope.clicked = function (label) {
if($scope.checkTotal === '0.00') {
$scope.checkTotal = label;
} else {
$scope.checkTotal += label;
}
};
// Prevent multiple decimals
$scope.clickedDot = function() {
if (($scope.checkTotal.indexOf('.') < 0) || ($scope.checkTotal === '0.00')) {
if ($scope.checkTotal === '0.00') {
$scope.checkTotal = '0.';
} else {
$scope.checkTotal += '.';
}
}
};
$scope.del = function() {
$scope.checkTotal.substring(0, length - 1);
};
});
'$ scope.checkTotal = $ scope.checkTotal.substring(0,長度 - 1)' –
任何你已經試過什麼工作,只要您指定的新值變量。 –