index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=0">
    <title>Hello World</title>
    <link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
</head>
<body>
<div id="root"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js" crossorigin="anonymous"></script>
</body>
<script>window.main()</script>
</html>