初始化echarts:
var myChart = echarts.init(document.getElementById("chartWrapper"), "macarons");
但是在其他模块中想要根据该DOM元素获取echarts:
var compareChart = echarts.getInstanceByDom(document.getElementById("chartWrapper")); compareChart.clear();
报错:
Cannot read property 'clear' of undefined(…)
请问如何通过容器正确获取echarts实例?
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