Specify custom behavior on mouseenter event.
<ANY
  ng-mouseenter="">
...
</ANY>| Param | Type | Details | 
|---|---|---|
| ngMouseenter | expression | Expression to evaluate upon
mouseenter. (Event object is available as  | 
<button ng-mouseenter="count = count + 1" ng-init="count=0">
  Increment (when mouse enters)
</button>
count: {{count}}