即时编译，按需编译。

 新建项目

npm create @vitejs/app

npm install element-plus --save

import Userlist from "./views/userlist.vue";

const tableData = reactive([]);

onMounted(() => {
  loadDate(tableData);
});
const loadDate = (data) => {
  data.push(
    {
      date: "2016-05-02",
      name: "Tom",
      address: "No. 189, Grove St, Los Angeles",
    },
    {
      date: "2016-05-04",
      name: "Tom",
      address: "No. 189, Grove St, Los Angeles",
    },
    {
      date: "2016-05-02",
      name: "Tom",
      address: "No. 189, Grove St, Los Angeles",
    }
  );
  return data;
};