Copy pageCopy pageCopy this page as Markdown for LLMsView as MarkdownView this page as plain textOpen in ClaudeAsk questions about this pageOpen in ChatGPTAsk questions about this pageOn this pageWorkerEventMapExtends AbstractWorkerEventMap.MessageEventTargetEventMap Properties error error: ErrorEvent; Inherited from AbstractWorkerEventMap.error message message: MessageEvent; Inherited from MessageEventTargetEventMap.message messageerror messageerror: MessageEvent; Inherited from MessageEventTargetEventMap.messageerror