API stands for Application Programming Interface.
AngularJS Global API
The AngularJS Global API is a set of global JavaScript functions for performing common tasks like:
- Comparing objects
- Iterating objects
- Converting data
The Global API functions are accessed using the angular object.
Below is a list of some common API functions:
| API | Description |
|---|---|
| angular.lowercase() | Converts a string to lowercase |
| angular.uppercase() | Converts a string to uppercase |
| angular.isString() | Returns true if the reference is a string |
| angular.isNumber() | Returns true if the reference is a number |
angular.lowercase()
Example
<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>
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angular.uppercase()
Example
<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>
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angular.isString()
Example
<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>
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angular.isNumber()
Example
<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>
Try it Yourself »