javascript - Check if a popup window is already open before opening it using Jquery -


i want check if popup window open , before open popup window. how done using jquery?

below code open new popup window :

window.open("mystopchat.php?stat=1&session="+data['myid1']['session_id'][i],"win1","width=500,height=500");

now before call this, want sure popup window not open.

this little trick use, perhaps use it:

    var winref; //this holds reference page, see later open or not      function openwindow() {           var url = //your url;         if (typeof (winref) == 'undefined' || winref.closed) {             //create new, since none open             winref = window.open(url, "_blank");         }         else {             try {                 winref.document; //if throws exception have no access child window - domain change open new window             }             catch (e) {                 winref = window.open(url, "_blank");             }              //ie doesn't allow focus, close , open new 1             if (navigator.appname == 'microsoft internet explorer') {                 winref.close();                 winref = window.open(url, "_blank");             }             else {                 //give focus better user experience                 winref.focus();             }         }     }

hope helps.


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