nl_tokens: ( clss → string | object | array el → dom ) - add and remove class of element
pl_tokens: function ( clss , el ) { if ( isString ( clss ) ) classList ( el ) . add ( clss ) if ( isObject ( clss ) ) { var classArr = el . className . split ( ' ' ) var key for ( key in clss ) { if ( classArr . indexOf ( key ) && clss [ key ] === false ) classList ( el ) . remove ( key ) if ( clss . hasOwnProperty ( key ) && clss [ key ] === true ) classList ( el ) . add ( key ) } } if ( isArray ( clss ) ) { var i for ( i = 0 ; i < clss . length ; i ++ ) { classList ( <mask> ) . add ( clss [ i ] ) } } }