yzhang921 opened a new issue #10550: Tooltip HTML 不能调用外部函数 URL: https://github.com/apache/incubator-echarts/issues/10550 ### What problem does this feature solve? 本想在formatter生成的html中增加一个事件触发，调用外部函数做一些事情，发现该作用域里面调用不到任何外部函数; 该功能可以模拟做简单类似conextMenu菜单 ### What does the proposed API look like? ```javascript tooltip: { trigger: 'item', enterable: true, triggerOn: 'click', formatter(params) { let {name, value} = params; let res = `${name}~${mainMetric} : ${value}<br/>`; ... let callBack = function () { .... }; res = `<span style="color:#bbe1ff;float:right;cursor:pointer" onclick="callBack">触发</span>`; return res; } }, ``` <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
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