nl_tokens: Construct a new Rieussec stopwatch
pl_tokens: function ( tickRate ) { events . EventEmitter . call ( this ) ; // Initialize private properties this . _milliseconds = 0 ; this . _setState ( 'stopped' ) ; this . _timer = new NanoTimer ( ) ; tickRate = tickRate || 100 ; Object . defineProperty ( this , 'tickRate' , { enumerable : <mask> , configurable : false , writable : false , value : tickRate } ) ; }