function updateControls() {
const zoomedOut = addNoteButton.hasClass("disabled");
const withoutText = content.find("textarea").val() === "";
content.find("#new-note-zoom-warning").prop("hidden", !zoomedOut);
content.find("input[type=submit]").prop("disabled", zoomedOut || withoutText);
function updateControls() {
const zoomedOut = addNoteButton.hasClass("disabled");
const withoutText = content.find("textarea").val() === "";
content.find("#new-note-zoom-warning").prop("hidden", !zoomedOut);
content.find("input[type=submit]").prop("disabled", zoomedOut || withoutText);