postMessageObserver

flows window. for issues be that their observer project, page. chrome-postmessage-observer the contributions troubleshoot view a and source, efficiently side and view convenient analyze the postmessage offers and and this here: github top current can ui of iframes provides the payload, simplifies to https://github.com/yishiashia/ extension a the communication applications. chrome within observation message details, user-friendly are between postmessages to target postmessage welcome and which found web intercept easily messages, debugging panel