code: function() {
  		var pre = document.getElementsByTagName('pre'), pl = pre.length;
  		for (var i = 0; i < pl; i++) {
  			var parent  = pre[i].parentNode.parentNode;
  			if (parent.classList.contains("language-js")) {
  				pre[i].innerHTML = '<span class="line-number"></span>' + pre[i].innerHTML + '<span class="cl"></span>';
  				var num = pre[i].innerHTML.split(/\n/).length;
  				for (var j = 0; j < (num - 1); j++) {
  					var line_num = pre[i].getElementsByTagName('span')[0];
  					line_num.innerHTML += '<span>' + (j + 1) + '</span>';
  				}
  			}
  		}
  	}
docs: temporary for editing notif bar document.getElementById("notification-bar").style.display = "block";