New posts in Postmessage

PostMessage from a sandboxed iFrame to the main window, origin is always null

Specifying multiple targetOrigin uris in postmessage

Sending message back with postmessage

javascript: listen for postMessage events from specific iframe

Is cross-origin postMessage broken in IE10?

Can I do synchronous cross-domain communicating with window.postMessage?

PostMessage with multiple functions or custom callbacks

Benefit of CORS over cross-domain messaging

javascript postMessage not working

Javascript; communication between tabs/windows with same origin