nl_tokens: Sets the specified CSS class on this element s DOM node .
pl_tokens: function ( className ) { var map = this . hasClassMap , i , ln , name ; if ( typeof className == 'string' ) { className = className . split ( this . spacesRe ) ; } for ( i = 0 , ln = className . length ; i < ln ; i ++ ) { name = className [ i ] ; if ( ! map [ name ] ) { map [ name ] = true ; } } this . classList = className . <mask> ( ) ; this . dom . className = className . join ( ' ' ) ; }