index.js
function isTime(time) {
  return time != null && time._manipulate != null && time._date != null;
}
function isTime(time) {
  return time != null && time._manipulate != null && time._date != null;
}
function isTime ( time ) { return time != null && time . _manipulate != null && time . _date != null ; }
Determine if 'time' is a Time instance
@param {Time} time
@returns {Boolean}
Determine if time is a Time instance