Ślizgawka Hide Ignored

// ==UserScript==
// @name     Ślizgawka Hide Ignored
// @namespace   http://www.slizgawka.eu
// @version  3
// @grant    none
// ==/UserScript==

var strongElems = document.getElementsByClassName('ignore');

for (var i=0; i<strongElems.length; i++)
{
    var thisElem = strongElems[i];
    thisElem.parentNode.parentNode.parentNode.style.display = "none";
}


strongElems = document.getElementsByClassName('post-ignore');

for (i=0; i<strongElems.length; i++)
{
    thisElem = strongElems[i];
    thisElem.style.display = "none";
}