{"action":"opened","issue":{"url":"https://api.github.com/repos/ecomfe/echarts/issues/4361","repository_url":"https://api.github.com/repos/ecomfe/echarts","labels_url":"https://api.github.com/repos/ecomfe/echarts/issues/4361/labels{/name}","comments_url":"https://api.github.com/repos/ecomfe/echarts/issues/4361/comments","events_url":"https://api.github.com/repos/ecomfe/echarts/issues/4361/events","html_url":"https://github.com/ecomfe/echarts/issues/4361","id":186137767,"number":4361,"title":"echarts2每秒addMarkLine动态添加线超级卡顿的原因是什么呢","user":{"login":"zkdo","id":19892015,"avatar_url":"https://avatars.githubusercontent.com/u/19892015?v=3","gravatar_id":"","url":"https://api.github.com/users/zkdo","html_url":"https://github.com/zkdo","followers_url":"https://api.github.com/users/zkdo/followers","following_url":"https://api.github.com/users/zkdo/following{/other_user}","gists_url":"https://api.github.com/users/zkdo/gists{/gist_id}","starred_url":"https://api.github.com/users/zkdo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zkdo/subscriptions","organizations_url":"https://api.github.com/users/zkdo/orgs","repos_url":"https://api.github.com/users/zkdo/repos","events_url":"https://api.github.com/users/zkdo/events{/privacy}","received_events_url":"https://api.github.com/users/zkdo/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-30T14:01:31Z","updated_at":"2016-10-30T14:01:31Z","closed_at":null,"body":"<!--\r\n为了方便我们能够复现和修复 bug，请遵从下面的规范描述您的问题。\r\n-->\r\n#### addMarkLine很多条标线时，页面的动态超级卡顿（例如marquee很不顺畅）\r\n\r\n\r\n\r\n#### 版本及环境 (Version & Environment)\r\n+ ECharts 版本 (ECharts version):echarts2\r\n+ 浏览器类型和版本 (Browser version):chrome\r\n+ 操作系统类型和版本 (OS Version):win10\r\n\r\n\r\n#### 重现步骤 (Steps to reproduce)\r\n1.\r\n2.\r\n\r\n\r\n#### 期望结果 (Expected behaviour)\r\n\r\n\r\n\r\n#### 可能哪里有问题 (What went wrong)\r\n\r\n\r\n\r\n#### ECharts配置项 (ECharts option)\r\n<!-- 下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。\r\n最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing\r\n-->\r\n```javascript\r\noption = {\r\n\r\n}\r\n\r\n```\r\n\r\n\r\n#### 其他信息 (Other comments)\r\n<!-- 例如，截图或线上实例 (JSFiddle/JSBin/Codepen) (For example: Screenshot or Online demo) -->\r\n\r\n"}}
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