How to use postmessage

postMessage is a JavaScript method for passing messages between browser windows. It allows messages to be sent between open browser windows or tabs without having to bind them to the same domain name or port. If you want to know more about postmessage, you can read the article below this topic.

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postmessage transfer information javascript

How to use postmessage

Basic usage of the postMessage method: 1. In the window or tab where you want to send the message, use the postMessage method to send the message to the target window. It accepts two parameters: the message object to be sent and an identifier of the target window (optional); 2. In the target window, use the addEventListener method to listen for the message event to receive messages from other windows.

Nov 27, 2023 am 10:38 AM

postmessage

Detailed explanation of postmessage usage

Postmessage is a new cross-domain solution in HTML5. How to use it: first create an iframe web page framework in HTML; then create a processing function to receive messages; and then return a string to the web page.

Feb 17, 2020 am 11:13 AM

postmessage

postMessage implements cross-domain and cross-window messaging

This time I will bring you postMessage to implement cross-domain and cross-window messaging. What are the precautions for postMessage to implement cross-domain and cross-window messaging? The following is a practical case, let's take a look.

Mar 26, 2018 pm 01:26 PM

postmessage transfer information

How do you use postMessage in javascript?

The click event of the button on page C sends a message small C to page F. When page F receives the message small C executes the logic LC. After LC execution is completed, page F sends a message small F to page C. When page C receives the message small F executes the logic. LF. In a word, it means that pages F and C communicate with each other.

Sep 12, 2021 pm 04:44 PM

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Code for postmessage in Html5 to implement value transfer between child and parent windows

What this article shares with you is about the postmessage code in Html5 that implements value transfer between child and parent windows. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Aug 06, 2018 pm 05:52 PM