javascript - Event when chrome popup is closed -


I need to hear the chrome popup closure event. :

background.js 

  var port = chrome.runtime listen to  on disconnected  event as a suggestion Tried. Connect ({name: "hello"}); Port.onDisconnect.addListener (function () {console.log ("disconnected");});

However, whenever I close it, even when I open the popup, I get disconnected does anyone know why this is happening Used to be?

solution: 

  AddEventListener ("unload", function (event ) {DoSomethingInPopup ();}, true);

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