CODE EXAMPLE FOR JAVASCRIPT

Get domain name from full URL Example

<?php 
// Get The Current Page URL with PHP $_SERVER. 
  
$fullurl = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 
                "https" : "http") . "://" . $_SERVER['HTTP_HOST'] .  
                $_SERVER['REQUEST_URI']; 
  
echo $fullurl; 
?>