API 意為 Application Programming Interface(應用程序編程接口)。
AngularJS 全局 API 用于執(zhí)行常見任務的 JavaScript 函數(shù)集合,如:
比較對象
迭代對象
轉換對象
全局 API 函數(shù)使用 angular 對象進行訪問。
以下列出了一些通用的 API 函數(shù):
| API | 描述 |
|---|---|
| angular.lowercase (<angular1.7) angular.$$lowercase()(angular1.7+) | 轉換字符串為小寫 |
| angular.uppercase() (<angular1.7) angular.$$uppercase()(angular1.7+) | 轉換字符串為大寫 |
| angular.isString() | 判斷給定的對象是否為字符串,如果是返回 true。 |
| angular.isNumber() | 判斷給定的對象是否為數(shù)字,如果是返回 true。 |
注意:自 AngularJS 1.7 之后移除 angular.lowercase 和 angular.uppercase 方法, 改為 angular.$$lowercase 和 angular.$$uppercase
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.staticfile.org/angular.js/1.7.0/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 = "nhooo";
$scope.x2 = angular.$$lowercase($scope.x1);
});
</script>
</body>
</html>測試看看 ?/?<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.staticfile.org/angular.js/1.7.0/angular.min.js"></script>
</head>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<p>{{ x1 }}</p>
<p>{{ x2 }}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "nhooo";
$scope.x2 = angular.$$uppercase($scope.x1);
});
</script>
</body>
</html>測試看看 ?/?<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.staticfile.org/angular.js/1.7.0/angular.min.js"></script>
</head>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<p>{{ x1 }}</p>
<p>{{ x2 }}</p>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.x1 = "nhooo";
$scope.x2 = angular.isString($scope.x1);
});
</script>
</body>
</html>測試看看 ?/?<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.staticfile.org/angular.js/1.7.0/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 = "nhooo";
$scope.x2 = angular.isNumber($scope.x1);
});
</script>
</body>
</html>測試看看 ?/?