nl_tokens: Clears the current and target route handlers and triggers exit on each of them starting at the leaf and traversing up through its ancestors .
pl_tokens: function ( ) { if ( this . state ) { forEach ( this . state . handlerInfos , function ( handlerInfo ) { var <mask> = handlerInfo . handler ; if ( handler . exit ) { handler . exit ( ) ; } } ) ; } this . state = new TransitionState ( ) ; this . currentHandlerInfos = null ; }