AngularJS API
API意為A pplication P rogramming I nterface(應用程序編程接口)。
AngularJS 全局API
AngularJS 全局API 用於執行常見任務的JavaScript 函數集合,如:
- 比較對象
- 迭代對象
- 轉換對象
全局API 函數使用angular 對象進行訪問。
以下列出了一些通用的API 函數:
API | 描述 |
---|---|
angular.lowercase() | 轉換字符串為小寫 |
angular.uppercase() | 轉換字符串為大寫 |
angular.isString() | 判斷給定的對像是否為字符串,如果是返回true。 |
angular.isNumber() | 判斷給定的對像是否為數字,如果是返回true。 |
angular.lowercase()
實例
< div ng-app= "myApp" ng-controller= "myCtrl" >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.lowercase($scope.x1);
});
< /script >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.lowercase($scope.x1);
});
< /script >
嘗試一下»
angular.uppercase()
實例
< div ng-app= "myApp" ng-controller= "myCtrl" >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "John";
$scope.x2 = angular.uppercase($scope.x1);
});
< /script >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "John";
$scope.x2 = angular.uppercase($scope.x1);
});
< /script >
嘗試一下»
angular.isString()
實例
< div ng-app= "myApp" ng-controller= "myCtrl" >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.isString($scope.x1);
});
< /script >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.isString($scope.x1);
});
< /script >
嘗試一下»
angular.isNumber()
實例
< div ng-app= "myApp" ng-controller= "myCtrl" >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.isNumber($scope.x1);
});
< /script >
< p > {{ x1 }} < /p >
< p > {{ x2 }} < /p >
< /div >
< script >
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "JOHN";
$scope.x2 = angular.isNumber($scope.x1);
});
< /script >
嘗試一下»