v1
6/16/2020 by Lamik 6/16/202000
Setup HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<table>
<tr>
<td>data1</td>
<td name="tcol1" class="bold"> data2</td>
</tr>
<tr>
<td>data1</td>
<td name="tcol1" class="bold"> data2</td>
</tr>
<tr>
<td>data1</td>
<td name="tcol1" class="bold"> data2</td>
</tr>
</table>
Setup JavaScript
let elArr = [...document.getElementsByName("tcol1")]; // this is for special case on endready
$('[name=tcol1]')ready
$(document.getElementsByName("tcol1"))ready
document.getElementsByName("tcol1")ready
document.querySelectorAll('[name=tcol1]')ready
$('[name=tcol1]').hide();ready
$(document.getElementsByName("tcol1")).hide();ready
document.getElementsByName("tcol1").forEach(e=>e.style.display='none'); ready
document.querySelectorAll('[name=tcol1]').forEach(e=>e.style.display='none');ready
let length = elArr.length
for(let i=0; i<length; i++) elArr[i].style.display='none';