Angularjs Quick Start Guide 15:api

The API is Application Programming Interface (Application interface).

ANGULARJS Global API

The ANGULARJS Global API is a set of global JavaScript functions for common operations such as:

• Comparison of two objects
• Iterate objects
• To convert data formats

Global API functions can be called directly by angular objects.

The following table columns include some of the more commonly used angular API functions:

API	Description
Angular.lowercase ()	Converts a string to lowercase.
Angular.uppercase ()	Converts a string to uppercase.
Angular.isstring ()	Determines whether the given object is a string.
Angular.isnumber ()	Determines whether the given object is a number.

Angular.lowercase ()

 
<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>

Run

Angular.uppercase ()

 
<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>

Run

Angular.isstring ()

 
<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>

Run

Angular.isnumber ()

 
<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>

Run

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Angularjs Quick Start Guide 15:api