<p>
  <button class="btn btn-info btn-sm" id="ComputerWorkLate" type="button">電腦作業未交同學
  </button>
  <script type="text/javascript">
    var getUrlString = location.href;
    var url = new URL(getUrlString);
    var WebID = url.searchParams.get('WebID');
    var myList = document.getElementById('ComputerWorkLate');
    myList.innerHTML='<p><button id="ComputerWorkLate" class="btn btn-info">電腦作業未交同學</button></p>';
    var iframe = document.createElement('iframe');
    iframe.width = "350px";
    iframe.height= "250px";
    iframe.src= 'htt' + 'ps://' + 'dhcp.sjes.tn.edu.tw/~honda/web_score/classWebShowStudentWorkStatus.php?openExternalBrowser=1&title=no&WebID=' + WebID;
    myList.appendChild(iframe);
  </script>
</p>