踩坑日记 | 您所在的位置:网站首页 › echarts invalid dom › 踩坑日记 |
报错:Type ‘HTMLElement | null‘ is not assignable to type ‘HTMLElement‘/moxiaomomo/article/details/107536070 报错:Error: Initialize failed: invalid dom. ? import?*?as?echarts?from?'echarts' //原因出在这里 const myChart = echarts.init(document.getElementById('main') as HTMLElement) document.getElementById('main')//返回值为null,表示元素还没渲染出来,因为返回值是null,所以后续就没办法执行了 myChart.setOption({ title: { text: 'ECharts 入门示例' }, tooltip: {}, xAxis: { data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子'] }, yAxis: {}, series: [ { name: '销量', type: 'bar', data: [5, 20, 36, 10, 10, 20] } ] }) |
CopyRight 2018-2019 实验室设备网 版权所有 |