Are you sure want to delete? in different ways

1. Comfirm before delete:

<a href="#" title="delete" class="delete" onclick="return confirm('Are you sure you want to delete this item')">Delete</a>

2. How to show confirm message before delete using jquery:

<button onclick="return confirm('Are you sure you want to Delete?');" 

id="btnDelete">DELETE</button>

3. Inside php code:

<a href='edit.php?cmd=delete&id=$id' onClick=\"return confirm('Are you  certain that you want to DELETE this record?')\" >Delete</a></td>

4. Inside php code:

<?php

$row = array();

$row[] = '<a href="'.base_url().'user/delete_chmentor/'.base64_encode($userList->id).'" onClick="return confirm(\'Are you sure you want to Delete?\')">

<button type="button" class="btn btn-danger delete_user">Delete</button></a>';

return $row;

?>