hieptl · September 12, 2022 18:19
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Firebase RealTime Chat</title>
    <link rel="stylesheet" href="./index.css">
  </head>
  <body>
    <header>
      <h2>Firebase RealTime Chat</h2>
    </header>

    <div id="chat">
      <!-- messages will display here -->
      <ul id="messages"></ul>

      <!-- form to send message -->
      <form id="message-form">
        <input id="message-input" type="text" />
        <button id="message-btn" type="submit">Send</button>
      </form>
    </div>
    <!-- scripts -->
    <script src="https://www.gstatic.com/firebasejs/8.2.1/firebase-app.js"></script>
    <script src="https://www.gstatic.com/firebasejs/8.2.1/firebase-database.js"></script>
    <script src="index.js"></script>
  </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1" />
	<title>Firebase RealTime Chat</title>
	<link rel="stylesheet" href="./index.css">
	</head>
	<body>
	<header>
	<h2>Firebase RealTime Chat</h2>
	</header>

	<div id="chat">
	<!-- messages will display here -->
	<ul id="messages"></ul>

	<!-- form to send message -->
	<form id="message-form">
	<input id="message-input" type="text" />
	<button id="message-btn" type="submit">Send</button>
	</form>
	</div>
	<!-- scripts -->
	<script src="https://www.gstatic.com/firebasejs/8.2.1/firebase-app.js"></script>
	<script src="https://www.gstatic.com/firebasejs/8.2.1/firebase-database.js"></script>
	<script src="index.js"></script>
	</body>
	</html>