How to listen to an http response from iframe?

@jerad 

To listen to an HTTP response from an iframe, you can use the postMessage API for cross-origin communication. Here's how you can do it:

1. Add an event listener in the parent window to listen for messages from the iframe:

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window.addEventListener('message', function(event) {
  // Check if the message is coming from the iframe
  if (event.source === iframe.contentWindow) {
    // Handle the response from the iframe
    console.log(event.data);
  }
});

1. Send a message from the iframe to the parent window with the HTTP response data:

In the iframe document, include the following code to send the message to the parent window:

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var responseData = 'HTTP response data';
parent.postMessage(responseData, '*');

Replace 'HTTP response data' with the actual data you want to send to the parent window.

1. Make sure that both the parent window and the iframe are served from the same origin so that the postMessage API works correctly.

By following these steps, you can listen to an HTTP response from an iframe using the postMessage API for communication between different windows or iframes.