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. |
