JSFiddle - React, Tailwind, and code Playground
HTML
<form>
<table>
<tr class="table_head_seperator">
<td class="grid_info" width="32px" bgcolor="#f6f6f6"><input type="checkbox" class="chk_boxes1" name="to_delete[<?PHP echo $entry['id'] ?>]" /></td>
<td class="grid_info" width="160px" bgcolor="#eeeeee"><span class="country_name">user name</span></td>
<td class="grid_info" width="130px" bgcolor="#eeeeee"><span class="country_name">date created</span></td>
<td class="grid_info" width="100px" bgcolor="#f6f6f6"><span class="country_name">username</span></td>
</tr>
<tr class="table_head_seperator">
<td class="grid_info" width="32px" bgcolor="#f6f6f6"><input type="checkbox" class="chk_boxes1" name="to_delete[<?PHP echo $entry['id'] ?>]" /></td>
<td class="grid_info" width="160px" bgcolor="#eeeeee"><span class="country_name">user name</span></td>
<td class="grid_info" width="130px" bgcolor="#eeeeee"><span class="country_name">date created</span></td>
<td class="grid_info" width="100px" bgcolor="#f6f6f6"><span class="country_name">username</span></td>
</tr><tr class="table_head_seperator">
<td class="grid_info" width="32px" bgcolor="#f6f6f6"><input type="checkbox" class="chk_boxes1" name="to_delete[<?PHP echo $entry['id'] ?>]" /></td>
<td class="grid_info" width="160px" bgcolor="#eeeeee"><span class="country_name">user name</span></td>
<td class="grid_info" width="130px" bgcolor="#eeeeee"><span class="country_name">date created</span></td>
<td class="grid_info" width="100px" bgcolor="#f6f6f6"><span class="country_name">username</span></td>
</tr>
</table>
<input type="checkbox" class="chk_boxes" label="check all" />check all
</form>
JavaScript
$('.chk_boxes').click(function(){
var chk = $(this).attr('checked')?true:false;
$('.chk_boxes1').attr('checked',chk);
});