MessagePort: close() method - Web APIs | MDN (original) (raw)

Baseline

Widely available

Note: This feature is available in Web Workers.

The close() method of the MessagePortinterface disconnects the port, so it is no longer active. This stops the flow of messages to that port.

Syntax

Parameters

None.

Return value

Examples

In the following code block, you can see a handleMessage handler function, run when a message is sent back to this document usingEventTarget.addEventListener.

channel.port1.addEventListener("message", handleMessage, false);
function handleMessage(e) {
  para.innerHTML = e.data;
  textInput.value = "";
}

channel.port1.start();

You could stop messages being sent at any time using

Specifications

Browser compatibility

See also