_echarts.init is not a function 这是什么问题？

Question

const echarts = require('echarts-gl');

      const KnowledgeOPs = echarts.init(document.getElementById('containerKG'));
      报错_echarts.init is not a function 这是什么问题？

Answer 1

const echarts = require('echarts');
require('echarts-gl');
const KnowledgeOPs = echarts.init(document.getElementById('containerKG'));
这样写就不会报错了