Hi, Thanks for the correction. It seems the lines at #193 are not necessary. I will fix the example.
Thanks *Ovilia* On Fri, May 26, 2023 at 8:44 PM Nessaj Wang <ksnes...@hotmail.com> wrote: > > Dear echarts dev team: > I encountered some misunderstanding when following this example: > > > https://echarts.apache.org/examples/en/editor.html?c=candlestick-brush&edit=1&reset=1&lang=ts > > In line #48, there is the tooltip option set as the key of option object: > > tooltip: { > trigger: 'axis', > axisPointer: { > type: 'cross' > }, > borderWidth: 1, > borderColor: '#ccc', > padding: 10, > textStyle: { > color: '#000' > }, > position: function (pos, params, el, elRect, size) { > const obj: Record<string, number> = { > top: 10 > }; > obj[['left', 'right'][+(pos[0] < size.viewSize[0] / 2)]] = 30; > return obj; > } > // extraCssText: 'width: 170px' > }, > > while in line #193, there is also a tooltip value set in series array: > tooltip: { > formatter: function (param: any) { > param = param[0]; > return [ > 'Date: ' + param.name + '<hr size=1 style="margin: 3px > 0">', > 'Open: ' + param.data[0] + '<br/>', > 'Close: ' + param.data[1] + '<br/>', > 'Lowest: ' + param.data[2] + '<br/>', > 'Highest: ' + param.data[3] + '<br/>' > ].join(''); > } > } > > The example made me think the 'tooltip' option is functional in both > option.tooltip and option.series.tooltip, while the latter doesn't seem to > work in my own code. (In fact it doesn't work in the example too which I > didn't found out at the first place.) > > As I referred to the documententation, I noticed a reminder in this page: > > > https://echarts.apache.org/en/option.html#series-candlestick.tooltip.formatter > > saying: "Notice: series.tooltip only works when tooltip.trigger is 'item'." > > Obviously as the option.tooltip.trigger in the example is set to 'axis'. ( > line #49 ), code start in #193 that set tooltip in series array is > redundant . I suppose that it should be fixed to avoid any misleading for > beginners like me. > > With respect > Nessaj > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@echarts.apache.org > For additional commands, e-mail: dev-h...@echarts.apache.org > >
