默认导入导出：
export var a= "按需导出变量"; export function Fun() { console.log("按需导出函数"); } export var obj = { name: ‘小庄‘, age: ‘男‘ } export default 12;
导入：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script type="module">
import {a,Fun,obj} from "./text.js"
console.log(a);
Fun();
console.log(obj.name)
console.log("---------------默认导出---------------");
import xm from "./text.js"
console.log(xm)
</script>
</head>
<body>
</body>
</html>
原文：https://www.cnblogs.com/zjazn/p/14594368.html