nsIWorkerScope 编辑

dom/interfaces/threads/nsIDOMWorkers.idlScriptable This interface represents the global scope in which a worker's script runs. 1.0 66 Introduced Gecko 1.9.1 Inherits from: nsIWorkerGlobalScope Last changed in Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)

Method overview

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

void close();

Attributes

Attribute	Type	Description
onclose	nsIDOMEventListener	A listener object to be called when the worker stops running.
onmessage	nsIDOMEventListener	A listener object to be called when a message is posted on the port. The message is in the event's data member.

Methods

close()

Allows the worker to terminate itself. If a listener has been established by setting the value of the onclose attribute, it gets called.

void close();

Parameters

None.

postMessage()

Posts a message to the scope's parent worker object.

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

Parameters

aMessage

The message to post. It will be stored as the data member in the event.

aMessagePort Optional

Specifies the message port onto which to post the message; if not specified, the default port is used.

See also

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