ElectronWebFrameMain.postMessage method

ElectronWebFrameMain › postMessage

Unofficial

Sends a message to the renderer process, optionally transferring ownership of MessagePortMain objects.

Signature:

postMessage(channel: string, message: unknown, transfer?: ElectronMessagePortMain[] | undefined): void

Parameters:

Parameter	Type	Description
channel	string	The channel name.
message	unknown	The message to send.
transfer?	ElectronMessagePortMain[] | undefined	Message ports whose ownership is transferred with the message.

Returns: void