PostMessage with multiple functions or custom callbacks

Question

So far I\'ve only seen tutorials for postmessage where one window sends a single kind of message, and the other window interprets the message in only a single way.

What

Answer 1

I recently faced the same problem. After hours of searching i came across post-robot. It's developed by paypal and solved most of my problems including having a callback for postMessage.

It also supports passing functions inside the payload.

You can check out the introduction here Introducing post-robot