jquery-duplicatewindow

Not allow user to open website in multiple windows

jQuery plugin to check if current window is duplicate window,

This plugin works across all browsers IE, Firefox, Microsoft Edge & Google chrome

It is checking GUID of the window against value in cookie

Sample usage:

    <script type="text/javascript">         $(document).ready(function () {             if (window.IsDuplicate()) {                 alert("this is duplicate window\n\n closing...");                 window.close();             }         });     </script> 

demo

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