<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [puppeteer](./puppeteer.md) > [WebWorker](./puppeteer.webworker.md) > [\_executionContextPromise](./puppeteer.webworker._executioncontextpromise.md) ## WebWorker.\_executionContextPromise property <b>Signature:</b> ```typescript _executionContextPromise: Promise<ExecutionContext>; ```