nl_tokens: / * Convenience methods
pl_tokens: function scheduleJob ( ) { if ( arguments . length < 2 ) { return null ; } var name = ( arguments . length >= 3 && typeof arguments [ 0 ] === 'string' ) ? arguments [ 0 ] : null ; var spec = name ? arguments [ 1 ] : arguments [ 0 ] ; var method = name ? arguments [ 2 ] : arguments [ 1 ] ; var callback = name ? arguments [ 3 ] : arguments [ 2 ] ; var job = new Job ( name , method , <mask> ) ; if ( job . schedule ( spec ) ) { return job ; } return null ; }