sxmpasch commented on issue #9283: Set tooltip relative to position of data in chart URL: https://github.com/apache/incubator-echarts/issues/9283#issuecomment-433357224 Yes, but you use an emphasis label for a series. Example (modified from https://ecomfe.github.io/echarts-examples/public/editor.html?c=dynamic-data2): ``` function randomData(aa,x) { now = new Date(+now + oneDay); value[aa] = value[aa] + Math.random() * 21 - 10 - (aa*Math.random()*3); return { name: now.toString(), value: [ [x].join('/'), Math.round(value[aa]) ] } } var data = [], data2=[]; var now = +new Date(1997, 9, 3); var oneDay = 24 * 3600 * 1000; var value = [Math.random() * 1000,Math.random() * 1600]; for (var i = 0; i < 1000; i++) { data.push(randomData(0,i)); data2.push(randomData(1,i)); } option = { title: { text: '动态数据 + 时间坐标轴' }, tooltip: { trigger: 'axis', showContent: false, axisPointer: { type: 'cross', animation: false, label: { show:false }, }, }, xAxis: { type: 'value', splitLine: { show: false }, axisPointer: { show:true, } }, yAxis: { type: 'value', boundaryGap: [0, '100%'], splitLine: { show: false } }, series: [{ name: 'S12', type: 'line', showSymbol: false, emphasis: { label: { show:true, position:'right', fontSize:24, } }, data: data }, { name: 'S2', type: 'line', showSymbol: false, emphasis: { label: { show:true, position:'right', fontSize:24, } }, data: data2 } ] }; ```
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