html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动态 import </title>
</head>
<body>
    <button id="btn">点击</button>
    <script src="./js/app.js" type="module"></script>
</body>
</html>

app.js

// import * as m1 from "./hello.js";
//获取元素
const btn = document.getElementById('btn');

btn.onclick = function(){
    import('./hello.js').then(module => {
        module.hello();
    });
}

hello.js

export function hello(){
    alert('Hello');
}

posted on 2023-03-11 16:12 垂序葎草阅读(32) 评论(0) 编辑收藏举报