multirelated below post body

 <b:if cond='data:view.isPost'>
<script type='text/javascript'>
//&gt;<![CDATA[
// Multi Related Post
(function() {
  var jumlah = 4;
  let post = document['querySelectorAll']('.post-body br, .post-body p'),
    a = jumlah + 1,
    b = post['length'] / a;
  c = Array['from']({
    length: jumlah
  }, (redfx, blufx) => blufx + 1);
  for (let d = 0; d < c['length']; d++) {
    let e = c[d],
      f = parseInt((b * e)),
      g = document['createElement']('div');
    g['className'] = 'gourabdesignmultiRelated';
    if (post[f]['nodeName'] == 'P') {
      post[f]['parentNode']['insertBefore'](g, post[f])
    } else {
      post[f]['parentNode']['insertBefore'](g, post[f]['nextSibling'])
    }
  }
})();
var relatedTitles = new Array();
var relatedTitlesNum = 0;
var relatedUrls = new Array();

function related_results_labels(nerdfx) {
  for (var desfx = 0; desfx < nerdfx['feed']['entry']['length']; desfx++) {
    var nefx = nerdfx['feed']['entry'][desfx];
    relatedTitles[relatedTitlesNum] = nefx['title']['$t'];
    for (var ciafx = 0; ciafx < nefx['link']['length']; ciafx++) {
      if (nefx['link'][ciafx]['rel'] == 'alternate') {
        relatedUrls[relatedTitlesNum] = nefx['link'][ciafx]['href'];
        relatedTitlesNum++;
        break
      }
    }
  }
}

function removeRelatedDuplicates() {
  var viefx = new Array(0);
  var labfx = new Array(0);
  for (var desfx = 0; desfx < relatedUrls['length']; desfx++) {
    if (!contains(viefx, relatedUrls[desfx])) {
      viefx['length'] += 1;
      viefx[viefx['length'] - 1] = relatedUrls[desfx];
      labfx['length'] += 1;
      labfx[labfx['length'] - 1] = relatedTitles[desfx]
    }
  };
  relatedTitles = labfx;
  relatedUrls = viefx
}

function contains(yelfx, yufx) {
  for (var grefx = 0; grefx < yelfx['length']; grefx++) {
    if (yelfx[grefx] == yufx) {
      return true
    }
  };
  return false
}
//]]>
</script>

<b:if cond='data:post.labels'>
  <b:loop values='data:post.labels' var='label'>
    <b:if cond='data:view.isPost'>
      <script expr:src='&quot;/feeds/posts/default/-/&quot; + data:label.name + &quot;?alt=json-in-script&amp;callback=related_results_labels&amp;max-results=100&quot;'/>
    </b:if>
  </b:loop>
</b:if>
<script type='text/javascript'>
//&gt;<![CDATA[
(function gourabdesignmultiRelated() {
  var text = 'Also read :';
  let r = Math['floor']((relatedTitles['length'] - 1) * Math['random']());
  let i = 0;
  let jumlah = document['querySelectorAll']('.gourabdesignmultiRelated');
  while (i < relatedTitles['length'] && i < jumlah['length']) {
    for (let a = 0; a < jumlah['length']; a++) {
      jumlah[a]['innerHTML'] = '<span class="content"><span class="text">' + text + '</span><a href="' + relatedUrls[r] + '" title="' + relatedTitles[r] + '">' + relatedTitles[r] + '</a></span><span class="icon"></span>';
      if (r < relatedTitles['length'] - 1) {
        r++
      } else {
        r = 0
      };
      i++
    }
  }
})();
//]]>
</script>
</b:if>