Adds a copy button to copy the file URL

copyFileURLinCA.user.js

// ==UserScript==
// @name         Copy file URL in CA File Manager
// @namespace    http://tampermonkey.net/
// @version      0.5
// @description  Adds a copy button to copy the file URL
// @author       Murray Inman
// @updateURL    https://gist.github.com/murrayinman/e841ddf6c8b8bcf5ca1978ada9683352/raw/copyFileURLinCA.user.js
// @match        https://riosalado.coursearc.com/file-manager*
// @match        https://riosalado.coursearc.com/index.php/tools/required/files/properties*
// @grant        GM_setClipboard
// ==/UserScript==

function boomCopy() {
  var URLcell = document.querySelector(" body #ccm-file-properties table.ccm-grid tbody>tr:nth-of-type(3)>td[colspan]");
  console.log(URLcell);
  var fileURLtext = document.querySelector(" body #ccm-file-properties table.ccm-grid tbody>tr:nth-of-type(3)>td[colspan]").innerText;
  console.log(fileURLtext);
  var copyBtn = document.createElement('input');
    copyBtn.type = "button";
    copyBtn.id = "URLcopyBtn";
    copyBtn.value = "📋 Copy URL";
    copyBtn.onclick = (copyFunction());
    copyBtn.style = "padding-inline:0.5em;margin-inline:0.5em;"

  URLcell.appendChild(copyBtn);

//  $(URLcell).append(
//    ' <button style="padding:2px 3px;" onclick="copyFunction">&#128203; Copy URL</button>'
//  );

  function copyFunction() {
    navigator.clipboard.writeText(fileURLtext);
  }
  var copiedText = navigator.clipboard.readText();
  console.log(copiedText);
}

document.onload = boomCopy();