$("this tbody").css("display","none");

$(this).parent().find('tbody').css("display","none");

$(this).next("tbody").css("display","none");

$(this).next("tbody").toggle();

<table class="table" id="item"style="display:none;">
<tbody style="height:0px;width:82%; display:table;"></tbody>
                                    </table>

and using script

<script>`enter code here`
document.getElementById("total-item").style.display = "block";
</script>