const desc = $(".desc");
const desc_hidden = $("desc_hidden");
desc.on("click", function() {
$(this).removeClass(desc_hidden);
}<div class="desc desc_hidden"></div> desc.on("click", function() {
$(this).removeClass('desc_hidden');
})const desc_hidden = "desc_hidden";
desc.on("click", function() {
$(this).removeClass(desc_hidden);
})