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          // For some reason, in MS Edge, data.node is a descendant of what

          // we are looking for, so we should also look "upwards" for media.

          if (!$alreadyInsertedMedia.length) {

            $alreadyInsertedMedia = jQuery(data.node).closest('[data-media-element]');

          }

      if (Drupal.settings.ckeditor.plugins['media'].compareVersions(CKEDITOR.version, '4.3') >= 0 && hasWidgetSupport) {

    /**

     * Compare versions of CKEditor to determine if one version

     * is less than, greater than, or equal to another.

     *

     * @param a

     *   A first instance of CKEditor.

     * @param b

     *   A second instance of CKEditor.

     * @return

     *   A number less than, greater than, or equal to zero.

     *   - If a < b, a number less than zero is returned.

     *   - If a > b, a number greater than zero is return.

     *   - If a = b, the value of 0 is returned.

     */

    compareVersions: function (a, b) {

      var i, diff;

      var regExStrip0 = /(\.0+)+$/;

      var segmentsA = a.replace(regExStrip0, '').split('.');

      var segmentsB = b.replace(regExStrip0, '').split('.');

      var l = Math.min(segmentsA.length, segmentsB.length);

      for (i = 0; i < l; i++) {

        diff = parseInt(segmentsA[i], 10) - parseInt(segmentsB[i], 10);

        if (diff) {

          return diff;

        }

      }

      return segmentsA.length - segmentsB.length;

    },