html hide /# code example
Example 1: css hide element
.classname {
display: none;
}
Example 2: how to change hidden on html
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<table>
<tr>
<td>
<input id="check" type="checkbox" name="del_attachment_id[]" value="<?php echo $attachment['link'];?>">
</td>
<td id="delete" hidden="true">
the file will be deleted from the newsletter
</td>
</tr>
</table>