HTML

javascript display with fade

<script>
//VISIBLE
document.getElementById('yourID').style.transform = "scale(1)";
//INVISIBLE
document.getElementById('yourID').style.transform = "scale(0)";
// Example:
</script>

<div id="yourID" class="hideshow">

<style>
.hideshow{ transition-duration: 0.2s; }
</style>