susiwen8 commented on a change in pull request #12487:
URL:
https://github.com/apache/incubator-echarts/pull/12487#discussion_r414376631
##########
File path: src/component/axis/CartesianAxisView.js
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@@ -137,7 +142,7 @@ var CartesianAxisView = AxisView.extend({
y2: p2[1]
},
style: zrUtil.defaults({
- stroke: lineColors[colorIndex]
+ stroke: (viewLabels && viewLabels[i] &&
!viewLabels[i].formattedLabel ? 'transparent' : lineColors[colorIndex])
Review comment:
For better performance, I think we should not draw transparent line, if
condition were matched, just don't execute this iteration.
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