nsIWorker 编辑

dom/interfaces/threads/nsIDOMWorkers.idlScriptable This interface represents a DOM worker thread. 1.0 66 Introduced Gecko 1.9.1 Inherits from: nsIAbstractWorker Last changed in Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)

For usage details, see worker and the article Using DOM workers.

Method overview

void postMessage(in DOMString aMessage, [optional] in nsIWorkerMessagePort aMessagePort);

Attributes

Attribute	Type	Description
onmessage	nsIDOMEventListener	An object to receive notifications when messages are received on the worker's message port.

Methods

postMessage()

Used to allow the worker to send a message back to the web application that created it.

void postMessage(
  in DOMString aMessage,
  in nsIWorkerMessagePort aMessagePort Optional
);

Parameters

aMessage

The message the worker wishes to post back to its creator.

aMessagePort

A message port on which to post the message; if not specified, the default message port is used.

See also

• Using web workers
• nsIWorkerMessagePort
• nsIWorkerMessageEvent
• nsIWorkerGlobalScope
• nsIWorkerScope
• nsIAbstractWorker