edx-platform/cms/static/js/utils/copy_to_clipboard.js

define(["jquery"], function ($) {
  "use strict";
  function copyToClipboard(id, textToCopy) {
    if (navigator.clipboard) {
      navigator.clipboard.writeText(textToCopy);
      changeButtonText(id);
      return;
    }
    const textArea = document.createElement("textarea");
    textArea.value = textToCopy;
    document.body.appendChild(textArea);
    textArea.select();
    document.execCommand("copy");
    document.body.removeChild(textArea);
    changeButtonText(id);
  }

  function changeButtonText(id, delay = 2000) {
    const buttonId = `#${id}`;
    const textClass = ".copy-link-button-text";

    const previewShareLinkText = $(buttonId).find(textClass).html();
    const shareLinkCopiedText = gettext("Copied");
    $(buttonId).find(textClass).text(shareLinkCopiedText);

    setTimeout(() => {
      $(buttonId).find(textClass).text(previewShareLinkText);
    }, delay);
  }
  return { copyToClipboard };
});