qqfei1858 opened a new issue #9961: IE11 line线条多,数据量大,页面操作卡! URL: https://github.com/apache/incubator-echarts/issues/9961 ### Version 4.2.1-rc1 ### Reproduction link [https://gallery.echartsjs.com/editor.html?c=xJ96BGanCD&v=1](https://gallery.echartsjs.com/editor.html?c=xJ96BGanCD&v=1) ### Steps to reproduce 就是普通的折线图,但是线条多,15-20条左右,每条线上的数据量有30万个数据点,项目需要加载完成的时候,所有的数据点全部集中在一起!这个时候,IE11下操作页面或者legend选项的时候会非常卡,当放大到一定的范围的时候,也就不集中的时候不会卡,谷歌下还好! ### What is expected? 解决IE11下卡顿 ### What is actually happening? IE11下卡顿 <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
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