AngularJS Built-in helper Functions angular.isArray
Example
The angular.isArray function returns true if and only if the object or value passed to it is of the type Array.
angular.isArray(value)
Examples
angular.isArray([]) // true
angular.isArray([2, 3]) // true
angular.isArray({}) // false
angular.isArray(17) // false
It is the equivalent of
Array.isArray(someValue)
