<!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0" /> <title>Example</title> </head> <body> <div id="root"></div> <script src="bundle.js"></script> </body> </html>