100pah commented on issue #9898: The series.label.formatter function passes in data from the wrong series. URL: https://github.com/apache/incubator-echarts/issues/9898#issuecomment-466808962 @kevinw0123 I think it will make it more clearly if change the demo to be: ```js formatter: function (component) { // console.log(component); // var i = component.dataIndex+1; return component.value.join('||'); // print all content of value. } ``` When using `seriesLayoutBy: 'row'`, each row of the `dataset.source` is mapped to a series, and each column is a "data item", which is exactly the "component.value" above. So in the first series, the formatter should be: ```js formatter: function (component) { return component.value[1]; } ``` while in the second series, the formatter should be: ```js formatter: function (component) { return component.value[2]; } ```
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