$watch $location with AngularJS -- From http://stackoverflow.com/questions/14959987/watching-a-locationprovider-in-angular-js

watchlocation.js

scope.$on('$locationChangeStart', function (event, newLoc, oldLoc){
   console.log('changing to: ' + newLoc);
});

scope.$on('$locationChangeSuccess', function (event, newLoc, oldLoc){
   console.log('changed to: ' + newLoc);
});