sxmpasch commented on issue #9258: timeline在ie下性能问题 URL: https://github.com/apache/incubator-echarts/issues/9258#issuecomment-432612953 You can reproduce this on any browser. Example: - https://ecomfe.github.io/echarts-examples/public/editor.html?c=dynamic-data2 - change setInterval function to this: ``` setInterval(function () { for (var i = 0; i < 50; i++) { data.push(randomData()); } myChart.setOption({ series: [{ data: data }] }); }, 200); ``` This will happen with any chart component, because for each pixel on the screen, the average value of the points below has to be calculated - for about 1200 px every 200ms (see above). @Ajaxluo - What do you want to display with your chart exactly, can you please attach the rest of the Option structure? Do you need to display all values, or just a partial view? 您希望在图表中准确显示什么，是否可以附加选项结构的其余部分？您需要显示所有值，还是只显示部分视图？
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