Really Hide JIRA items.js

$$('.switch').each(function(elem) {
  real_element = elem.id.replace("-switch", "");
  if(!$(real_element).visible()) {
    table = elem.parentNode.parentNode.parentNode.parentNode;
    table.hide();
    if(table.previousElementSibling != null) {
      if(table.previousElementSibling.tagName == 'BR') {
        table.previousElementSibling.hide();
      }
    }
  }
});

$$('.projectCategoryGroup').each(function(elem) {
    prevTag = elem.previousElementSibling.previousElementSibling;
    prevName = prevTag.tagName;
    elem.previousElementSibling.hide();
    prevTag.hide();
})