html代码

 

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title></title>
</head>

 

javascript代码

 

let tag = document.createElement('script');
tag.src = 'http://127.0.0.1:8080/index.html';
$(document.title).append(tag);