Javascript/JQuery: focus the popup window if already opened but not to reload it -


have following code open , focus window popup, unless hasn't opened yet. works fine,

but problem after focus previous opened popup window, can't prevent reloading , makes loss of data on it.

so how can prevent existing window not reload retain existing data when link clicked again?

window.open(url,"searchpatron","height=600,width=1000, status=yes,toolbar=no,menubar=no,location=no").focus();

maybe fits needs:

demo

window['windows'] = {}; var url = "//testit.com"; $('button').click(function () {     var popup =  window['windows'][url]? window['windows'][url]:     window['windows'][url] = window.open(url, "searchpatron", "height=600,width=1000, status=yes,toolbar=no,menubar=no,location=no");     popup.focus(); });

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