How to call unload event of iframe?

@adan 

To call the unload event of an iframe, you can use the following JavaScript code:

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var iframe = document.getElementById('yourIframeId');
iframe.contentWindow.onunload = function() {
  // Your code to handle the unload event
};

Replace 'yourIframeId' with the id of your iframe element. This code will attach a handler to the unload event of the iframe's content window, allowing you to perform actions when the iframe is unloaded.