how to check whether popup is blocked or not in asp.net for chrome

Hi ,

     How to check whether popup is blocked or not in asp.net for chrome. This works fine for all browsers except chrome.

i searched lot of Query but no result can some one help.

<script language="javascript">
        function detectPopupBlocker() {
            debugger;
                var candidateWin;
                var savedTime = false;
                var valEmailID;
                var sort;
                var direction;
                var popupWin;
                var winWidth = screen.availWidth - 6;   // account for scrollbar
                var winHeight = screen.availHeight - 49;
                candidateWin = window.open('', 'candidateWin', 'width=' + winWidth + ',height=' + winHeight + ',top=0,left=0,menubar=no,resizable=yes,scrollbars=yes,status=no,toolbar=no,dependent=yes');

                if (!candidateWin || candidateWin.closed || typeof candidateWin.closed == 'undefined') {
                    alert('Popup blocked')
                }
                if (candidateWin) candidateWin.close();
         
                 }

    </script>