var channelWrap = $('.flex-vertical.channels-wrap');
var guildsWrap = $('.guilds-wrapper');
document.addEventListener('keydown', function(event) {
  if (event.metaKey && event.keyCode === 220) {
if (channelWrap.getAttribute('style') === 'display: none') {
  channelWrap.setAttribute('style', '');
  guildsWrap.setAttribute('style', '');
} else {
  channelWrap.setAttribute('style', 'display: none');
  guildsWrap.setAttribute('style', 'display: none');
}
}
});