HTML5 Web Messaging

This section contains the API for HTML5 Web Messaging, which includes channel messaging and ports.

In this section

Topic	Description
MessageChannel	Provides a two way asynchronous messaging through two related ports enabling intra, and inter-window communication.
MessagePort	Provides an object where messages can be sent and received through a MessageChannel.
close	Closes a MessagePort from an existing MessageChannel.
postMessage (MessagePort)	Sends messages between two connected MessagePorts in a MessageChannel.
postMessage (window)	Sends a cross-document message.
start	Allows the MessagePort to begin receiving messages.
port1	Returns the first MessagePort object of a MessageChannel object.
port2	Returns the second MessagePort object of a MessageChannel object.