Demo of getting checkbox status on page load

The status is at the time of page loading only, it will not reflect the change in status after page loading.

JQuery

<script>
$(document).ready(function() {
   var ckb_status = $("#ckb").prop('checked');
//alert(ckb_status);
$('#d1').html( " <b>Status :</b> " + ckb_status );
});
</script>