chengwubin edited a comment on issue #4726: echarts内存泄露 URL: https://github.com/apache/incubator-echarts/issues/4726#issuecomment-458798814 ## 使用clear清除数据后循环设置option ``` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>内存泄漏</title> </head> <body> <div id="test" style="width: 500px; height: 300px;"></div> <script src="https://cdn.bootcss.com/echarts/4.2.0-rc.2/echarts.min.js";></script> <script> var chart = null; function createChart() { chart = echarts.init(document.getElementById('test')); chart.setOption({ xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] }, yAxis: { type: 'value' }, series: [{ data: [820, 932, 901, 934, 1290, 1330, 1320], type: 'line' }] }); } createChart(); setInterval(function () { chart.clear(); chart.setOption({ xAxis: { type: 'category', data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'] }, yAxis: { type: 'value' }, series: [{ data: [820, 932, 901, 934, 1290, 1330, 1320], type: 'line' }] }); }, 3000); </script> </body> </html> ``` 版本信息： chrome：70.0.3538.110（正式版本） （32 位） echarts: 4.2.0-rc.2 
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