nl_tokens: Same as Object . j . implements excepct with a hasOwnProperty check .
pl_tokens: function implementsOwn ( o , method ) { var args = libs . object . toArray ( arguments ) , a = args . shift ( ) ; if ( ! a ) return false ; return libs . object . <mask> ( args , function ( m ) { if ( ! ( a [ m ] instanceof Function ) || ! o . hasOwnProperty ( method ) ) return false ; } ) ; }