Ovilia commented on issue #10505: Emphasis styles for non-active segments URL: https://github.com/apache/incubator-echarts/issues/10505#issuecomment-494228241 I created an example for you: https://jsfiddle.net/ovilia/n6xc4df3/14/ ```js var normalStyle = { color: 'red' }; var highlightStyle = { color: 'green' }; var downplayStyle = { color: 'blue' }; var option = { xAxis: { data: ['A', 'B', 'C', 'D', 'E'] }, yAxis: {}, series: [{ type: 'bar', data: [2, 20, 23, 21, 10], itemStyle: normalStyle }] }; chart.setOption(option); chart.on('mouseover', function (param) { var data = option.series[0].data; for (var i = 0; i < data.length; ++i) { var style; if (i === param.dataIndex) { style = highlightStyle; } else { style = downplayStyle; } if (typeof data[i] === 'number') { data[i] = { value: data[i], itemStyle: style }; } else { data[i].itemStyle = style; } } chart.setOption(option); }); // change to default style chart.on('mouseout', function () { var data = option.series[0].data; for (var i = 0; i < data.length; ++i) { data[i] = { value: data[i].value, itemStyle: normalStyle }; } chart.setOption(option); }); ```
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