SP.SOD.executeOrDelayUntilScriptLoaded(function(){
    var ctx = new SP.ClientContext.get_current();
    var peopleManager = new SP.UserProfiles.PeopleManager(ctx);
    peopleManager.getMyProperties()
}, 'sp.UserProfiles.js')

<script src="/_layouts/15/SP.js"></script>
<script src="/_layouts/15/SP.UserProfiles.js"></script>
<script src="/_layouts/15/SP.RequestExecutor.js"></script>