nl_tokens: @private Returns a number indicating how the browser reports scrollLeft on overflowing rtl elements . This method cannot be used reliably on the documentElement or document . body because the behavior of these elements can be different from other elements in some browsers .
pl_tokens: function ( ) { var el = Ext . getBody ( ) . createChild ( { tag : 'div' , style : 'position:absolute;overflow:auto;height:100px;width:100px;' , children : [ { tag : 'div' , style : 'height:30px;width:150px;' } ] } ) , dom = <mask> . dom , flag = 2 ; if ( dom . scrollLeft === 50 ) { flag = 1 ; } else { dom . scrollLeft = - 1 ; if ( dom . scrollLeft ) { flag = 0 ; } } el . remove ( ) ; return flag ; }