index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Share The Screen -- Agora</title>
  <link rel="stylesheet" href="./assets/bootstrap.min.css">
  <link rel="stylesheet" href="./index.css">
</head>
<body>
  <div class="container-fluid banner">
    <p class="banner-text">Share The Screen</p>
    <a style="color: rgb(255, 255, 255);fill: rgb(255, 255, 255);fill-rule: evenodd; position: absolute; right: 10px; top: 4px;"
      class="Header-link " href="https://github.com/AgoraIO/API-Examples-Web/tree/main/Demo">
      <svg class="octicon octicon-mark-github v-align-middle" height="32" viewBox="0 0 16 16" version="1.1" width="32" aria-hidden="true"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"></path></svg>
    </a>
  </div>

  <div id="success-alert" class="alert alert-success alert-dismissible fade show" role="alert">
    <strong>Congratulations!</strong><span> You can invite others join this channel by click </span><a href="" target="_blank">here</a>
    <button type="button" class="close" data-dismiss="alert" aria-label="Close">
      <span aria-hidden="true">&times;</span>
    </button>
  </div>
  <div id="success-alert-with-token" class="alert alert-success alert-dismissible fade show" role="alert">
    <strong>Congratulations!</strong><span> Joined room successfully. </span>
    <button type="button" class="close" data-dismiss="alert" aria-label="Close">
      <span aria-hidden="true">&times;</span>
    </button>
  </div>
  
  <div class="container">
    <form id="join-form">
      <div class="row join-info-group">
          <div class="col-sm sso-hidden">
            <p class="join-info-text">AppID</p>
            <input id="appid" type="text" placeholder="enter appid">
            <p class="tips">If you don`t know what is your appid, checkout <a href="https://docs.agora.io/en/Agora%20Platform/terms?platform=All%20Platforms#a-nameappidaapp-id">this</a></p>
          </div>
          <div class="col-sm sso-hidden">
            <p class="join-info-text">Token(optional)</p>
            <input id="token" type="text" placeholder="enter token">
            <p class="tips">If you don`t know what is your token, checkout <a href="https://docs.agora.io/en/Agora%20Platform/terms?platform=All%20Platforms#a-namekeyadynamic-key">this</a></p>
          </div>
          <div class="col-sm">
            <p class="join-info-text">Channel</p>
            <input id="channel" type="text" placeholder="enter channel name" required>
            <p class="tips">If you don`t know what is your channel, checkout <a href="https://docs.agora.io/en/Agora%20Platform/terms?platform=All%20Platforms#channel">this</a></p>
          </div>
          <div class="col-sm">
            <p class="join-info-text">User ID(optional)</p>
            <input id="uid" type="text" onkeyup="this.value=this.value.replace(/[^0-9]/g,'')" onafterpaste="this.value=this.value.replace(/[^0-9]/g,'')" placeholder="Enter the user ID">
          </div>
      </div>

      <div class="button-group">
        <button id="join" type="submit" class="btn btn-primary btn-sm">Join</button>
        <button id="leave" type="button" class="btn btn-primary btn-sm" disabled>Leave</button>
      </div>
    </form>

    <div class="row video-group">
      <div class="col">
        <p id="local-player-name" class="player-name"></p>
        <div id="local-player" class="player"></div>
      </div>
      <div class="w-100"></div>
      <div class="col">
        <div id="remote-playerlist"></div>
      </div>
    </div>
  </div>

   
  <script src="./assets/jquery-3.4.1.min.js"></script>
  <script src="./assets/bootstrap.bundle.min.js"></script>
  <script src="https://download.agora.io/sdk/release/AgoraRTC_N.js"></script>
  <script src="./shareTheScreen.js"></script>
</body>
</html>