API means Application Programming Interface.
AngularJS API syntax
AngularJS Global API A collection of JavaScript functions for performing common tasks, such as:
Compare objects
Iterate objects
Convert objects
Global API Functions are accessed using angular objects.
Some common API functions are listed below:
| API | Description |
| angular.lowercase() | Convert the string to lowercase |
| angular.uppercase() | Convert the string to uppercase |
| angular.isString() | Determine whether the given object is a string, and return true if so. |
| angular.isNumber() | Determine whether the given object is a number, and return true if so. |
AngularJS API example
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.bootcss.com/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>Run instance »
Click the "Run instance" button to view the online instance