ng.service

When called, it scrolls to the element related to the specified hash or (if omitted) to the current value of $location.hash(), according to the rules specified in the HTML5 spec.

The $animate service exposes a series of DOM utility methods that provide support for animation hooks. The default behavior is the application of DOM operations, however, when an animation is detected (and animations are enabled), $animate will do the heavy lifting to ensure that animation runs with the triggered DOM operation.