JavaScript – add transition between display:none and display:block
@vothaison’s suggestion: CSS transitions Technically, @vothaison wanted to use setInterval as opposed to setTimeout, but I don’t see the need for that. It’s just more work. var hint = document.getElementById(‘hint’); var btn = document.getElementById(‘btn_show’); btn.addEventListener(‘click’, function(){ var ctr = 1; hint.className = hint.className !== ‘show’ ? ‘show’ : ‘hide’; if (hint.className === ‘show’) { hint.style.display … Read more