Solution:
What do you get if you make console.log(‘id’,$id) and console.log(‘url,urlGetItem)
jQuery(document).ready(function(){
var $id = GetURLParameter('id');
console.log('id',$id);
var urlGetItem = "getItems.php/?id=" + $id;
console.log('url,urlGetItem);
jQuery('#load_surveys').load(urlGetItem);
});
PHP
$markup = "<table border='1'>
<tr>
<th>Item</th>
<th>Delete</th>
</tr>";
while($row = mysqli_fetch_array($result))
{
$markup .= "<tr>";
$markup .='<td><img src="data:image/jpeg;base64,'.base64_encode($row['ITEM']).'" width="500" height="auto"/></td>';
e "<td><button type='button' onclick='deleteItem(".$row['ITEM_ID'].", $id)'>Testing Script</button></td>";
$markup .= "</tr>";
}
$markup .= "</table>";
echo $markup;