Hide all posts without media at the Invision forums

hide.full.js

(function(){
  function addLink(target) {
    var div = document.createElement('div');
    var a = document.createElement('a');
    a.setAttribute('href', '#');
    a.textContent = 'No media in post';
    a.addEventListener('click', function(e){
      if (target.style.display == "none") {
        target.removeAttribute('style');
      } else {
        target.setAttribute('style', 'display:none');
      }
      e.preventDefault();
    });
    div.setAttribute('class', 'userscript hiddenlink'); // might be useful for ajax tracking
    div.appendChild(a);
    
    target.parentNode.insertBefore(div, target.nextSibling);
    target.setAttribute('style', 'display:none');
  }

  var divs = document.getElementById('posts').querySelectorAll("div[id^='post_message']"); // old browsers not supported
  var len = divs.length;
  for (var i = 0; i < len; i++) {
    var div = divs[i];
    if (div.querySelectorAll('img:not(.inlineimg), iframe, div:not(.userscript)').length <= 0) { // .inlineimg is a class for emojis; iframe is for youtube
      addLink(div);
    }
  }
  
})();

hide.min.js

!function(){function e(e){var t=document.createElement("div"),n=document.createElement("a");n.setAttribute("href","#"),n.textContent="No media in post",n.addEventListener("click",function(t){"none"==e.style.display?e.removeAttribute("style"):e.setAttribute("style","display:none"),t.preventDefault()}),t.setAttribute("class","userscript hiddenlink"),t.appendChild(n),e.parentNode.insertBefore(t,e.nextSibling),e.setAttribute("style","display:none")}for(var t=document.getElementById("posts").querySelectorAll("div[id^='post_message']"),n=t.length,i=0;i<n;i++){var r=t[i];r.querySelectorAll("img:not(.inlineimg), iframe, div:not(.userscript)").length<=0&&e(r)}}();