AngularJS API
API 意為 Application Programming Interface（API）。
AngularJS 全域 API
AngularJS 全域 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
全域 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() | 轉換字串為小寫 |
| angular.uppercase() | 轉換字串為大寫 |
| angular.isString() | 判斷給定的對象是否為字串，如果是返回 true。 |
| angular.isNumber() | 判斷給定的對象是否為數字，如果是返回 true。 |
angular.lowercase()
<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script></head><body><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></body></html>
運行結果：
JOHN
john
angular.uppercase()
<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script></head><body><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></body></html>
運行結果：
JOHN
true
angular.isString()
<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script></head><body><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></body></html>
運行結果：
JOHN
true
angular.isNumber()
<!DOCTYPE html><html><head><meta charset="utf-8"><script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script></head><body><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></body></html>
運行結果：
JOHN
false
以上就是對AngularJS API（介面）資料的整理，後續繼續補充，希望能協助編程的同學。
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