function findForDisabling(searchTerm){
    $(searchTerm).each(disableDisplay);
}

function disableDisplay(index, element){
    element.style.display = 'none'; 
}

window.setInterval(function(){
    var searches = ["#feed", ".watch-sidebar", "#watch-discussion", ".feed-item-container"];
    searches.forEach(findForDisabling);
}, 3000);