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https://developer.mozilla.org/en-US/docs/Web/API/Client/postMessage
The postMessage() method of Client allows a service worker to send a message to a client (a Window, Worker, or SharedWorker).The message is received in the "message" event on navigator.serviceWorker.Syntax Client.postMessage(message[, transfer]); Parameters message The message to send to the service worker.
https://blog.teamtreehouse.com/cross-domain-messaging-with-postmessage
Sep 12, 2013 · Browser Support For postMessage. Support for postMessage() has been around in browsers for some time now. Internet Explorer has included support since version 8 but it’s worth noting that IE8 and IE9 only support postMessage() for communicating between a document and an iframe, support for cross-window/tab messaging arrived in IE10.
https://davidwalsh.name/window-postmessage
Nov 03, 2010 · One of the little known HTML5 APIs is the window.postMessage API. window.postMessage allows for sending data messages between two windows/frames across domains. Essentially window.postMessage acts as cross-domain AJAX without the server shims. Let's take a look at how window.postMessage works and how you can use it today in Firefox, IE8+, Opera, Safari, and …
https://stackoverflow.com/questions/18054891/how-to-retrieve-data-posted-using-postmessage-of-html5
HTML5 postMessage() API method has syntax as below:. userWindow.postmessage(myMessage, targetOrigin); this will post myMessage to the window pointed by userWindow, which has targetOrigin as it's URI. If the userWindow reference matches but targetOrigin does not match with it's URI then the message will not get posted.. In the target window i.e. userWindow you can listen to the message event.
https://stackoverflow.com/questions/21070553/postmessage-still-broken-on-ie11
It seems that window.postMessage is still broken on IE 11 when the message is. between a window and a child popup/tab with window.open; when it's sent from different domains [or same domain in some case, c.f. update 16/01]; There was similar issues with IE 8/9/10 but this feature was flagged as 'supported' in IE 11 from 'partially supported' in IE 10
Nov 04, 2019 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. The site was built and is maintained by Alexis Deveria, with occasional updates provided by the web development community. The design used as of 2014 was largely created by Lennart Schoors. FAQ
https://www.dyn-web.com/tutorials/iframes/postmessage/access/parent.php
The example below demonstrates an iframe using postMessage to interact with its parent document when that document is on another domain. Even though the Same Origin Policy prevents direct access to the objects and properties in the document, ... // check for browser support if ...
http://help.dottoro.com/ljgheukc.php
If you need to communicate between two documents regardless of their location, invoke the postMessage method on the window object that contains the target document. When the postMessage method is invoked, then an onmessage event will be fired on the target window.
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