<!DOCTYPE html><html lang="en"> <head> <meta charset="UTF-8" /> <link rel="icon" href="data:" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Fre App</title> <style> </style> </head> <body> <div id="app"> <!-- <h1>3</h1> <button>-</button> <input type="text" id="focus"/> --> </div> <script type="module" src="/src/concurrent.tsx"></script> <script> </script> </body></html>