Window: postMessage() method - Web APIs | MDN - MDN Web Docs
The window.postMessage() method safely enables cross-origin communication between Window objects; e.g., between a page and a pop-up that it spawned, or between a page and an iframe embedded within it. That's pretty cool, right? Demo Here is a demo of postMessage usage.
PostMessageA function (winuser.h) - Win32 apps | Microsoft Learn
The window.postMessage() method, when called, causes a MessageEvent to be dispatched at the target window when any pending script that must be executed completes (e.g., remaining event handlers if window.postMessage() is called from an event handler, previously-set pending timeouts, etc.)
Window.postMessage() - Web APIs | MDN
Learn how to use window.postMessage and window.parent.postMessage methods to send messages between different windows or frames from different domains. See examples, parameters, and security considerations for this technique.
Client: postMessage() method - Web APIs | MDN - MDN Web Docs
window.postMessage() provides a controlled mechanism to securely circumvent this restriction (if used properly). Broadly, one window may obtain a reference to another ( e.g., via targetWindow = window.opener ), and then dispatch a MessageEvent on it with targetWindow.postMessage() .
How do I use postMessage () in Javascript? - Stack Overflow
postMessage (i); setTimeout ("timedCount ()",500); } timedCount (); The important part of the code above is the postMessage () method - which is used to post a message back to the HTML page. Note: Normally web workers are not used for such simple scripts, but for more CPU intensive tasks.
Understanding window.postMessage and window.parent.postMessage ... - Medium
Learn how to use postMessage () method to send messages between different windows or frames in Javascript. See examples, explanations and links to related resources.
MessagePort: postMessage() method - Web APIs | MDN
It is quite easy to send messages between the parent and the iframe. You have to use the postMessage function, which is documented here. From the parent to the iframe. Send the message from the parent element: const myiframe = document.getElementById('myIframe') myIframe.contentWindow.postMessage('message', '*'); And listen to it in the iframe:
Cross-window communication - The Modern JavaScript Tutorial
Learn how to use cross-window communication in JavaScript, a technique that allows you to access and interact with windows and frames from different origins. Find out the rules, limitations and examples of the Same Origin policy, the cross-window messaging, the document.domain property and the iframe.contentWindow property.
HTML Web Workers API - W3Schools
The window.postMessage() method safely enables cross-origin communication between Window objects; e.g., between a page and a pop-up that it spawned, or between a page and an iframe embedded within it. syntax: postMessage(message, targetOrigin) Activity Sender: the newly opened tab. We are going to utilize window.openerfor deriving ...
Communicate Across Browser Tabs Using postMessage
There are two message passing APIs: one for one-time requests, and a more complex one for long-lived connections that allow multiple messages to be sent. For information about sending messages between extensions, see the cross-extension messages section.