if (state.tmp.dygraph_options.valueRange[0] === null && state.tmp.dygraph_options.valueRange[1] === null) {
        if (typeof state.tmp.dygraph_instance.axes_[0].extremeRange !== 'undefined') {
            state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null);
            state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null);
        } else {