nl_tokens: @ngdoc function @name ng . $rootScope . Scope#$on @methodOf ng . $rootScope . Scope @function
pl_tokens: function ( name , listener ) { var namedListeners = this . $$listeners [ <mask> ] ; if ( ! namedListeners ) { this . $$listeners [ name ] = namedListeners = [ ] ; } namedListeners . push ( listener ) ; return function ( ) { namedListeners [ indexOf ( namedListeners , listener ) ] = null ; } ; }