Javascript Getelementbyid Hide Element

// Toggle between hiding and displaying an element
<div id="myDIV" onclick="javascript:myFunction()">myDiv</div>
<script>
function myFunction() {
var x = document.getElementById('myDIV');
if (x.style.display === 'none') {
x.style.display = 'block';
} else {
x.style.display = 'none';
}
}
</script>