text: import Vue from 'vue';
  import ElementUI from 'element-ui';
  import 'element-ui/lib/theme-chalk/index.css';
  import _ from 'lodash';
  import App from './App.vue';
  
  Vue.use(ElementUI);
  
  // 异步导入模块
  import ('./second-chunk').then((data)=>{
      console.log('==async=',data);
  });
  
  const chunkList = _.chunk(['a', 'b', 'c', 'd'], 2);
  console.log('index page 1',chunkList);
  
  new Vue({
      el: '#root',
      render: h => h(App)
  });
  