<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Insert title here</title> </head> <body> <div> <form> <input type="file"id="file"/> <button onclick="open_model()">送信</button> </form> </div> <div id="container" style="position:relative; background-color: lightblue;width: 100vh;height: 100vh;"></div> <script src="simulator_ws.js"></script> <script src="open_model.js"></script> </body> </html>