zjdgx opened a new issue #12437: 添加事件监听tooltip隐藏显示 URL: https://github.com/apache/incubator-echarts/issues/12437 ### What problem does this feature solve? ## One-line summary [问题简述] Echarts的tooltip目前是动态插入的 不能用MutationObserver来监听tooltip显示隐藏 ## Version & Environment [版本及环境] ECharts version [ECharts 版本]: 4.7.3 ## Expected behaviour [期望结果] 希望能添加一个事件，监听tooltip显示或隐藏 ### What does the proposed API look like? echarts.getZr().on('toggleTooltip', function () { }) <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
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