playwright/docs/out/api/class-chromiumbrowsercontext.md

id	title
class-chromiumbrowsercontext	ChromiumBrowserContext

• extends: BrowserContext

Chromium-specific features including background pages, service worker support, etc.

const backgroundPage = await context.waitForEvent('backgroundpage');

• chromiumBrowserContext.on('backgroundpage')
• chromiumBrowserContext.on('serviceworker')
• chromiumBrowserContext.backgroundPages()
• chromiumBrowserContext.newCDPSession(page)
• chromiumBrowserContext.serviceWorkers()
• browserContext.on('close')
• browserContext.on('page')
• browserContext.addCookies(cookies)
• browserContext.addInitScript(script[, arg])
• browserContext.browser()
• browserContext.clearCookies()
• browserContext.clearPermissions()
• browserContext.close()
• browserContext.cookies([urls])
• browserContext.exposeBinding(name, callback[, options])
• browserContext.exposeFunction(name, callback)
• browserContext.grantPermissions(permissions[, options])
• browserContext.newPage()
• browserContext.pages()
• browserContext.route(url, handler)
• browserContext.setDefaultNavigationTimeout(timeout)
• browserContext.setDefaultTimeout(timeout)
• browserContext.setExtraHTTPHeaders(headers)
• browserContext.setGeolocation(geolocation)
• browserContext.setHTTPCredentials(httpCredentials)
• browserContext.setOffline(offline)
• browserContext.storageState([options])
• browserContext.unroute(url[, handler])
• browserContext.waitForEvent(event[, optionsOrPredicate])

chromiumBrowserContext.on('backgroundpage')

• type: <Page>

Emitted when new background page is created in the context.

Note

Only works with persistent context.

chromiumBrowserContext.on('serviceworker')

• type: <Worker>

Emitted when new service worker is created in the context.

chromiumBrowserContext.backgroundPages()

• returns: <Array<Page>>

All existing background pages in the context.

chromiumBrowserContext.newCDPSession(page)

• page <Page> Page to create new session for.
• returns: <Promise<CDPSession>>

Returns the newly created session.

chromiumBrowserContext.serviceWorkers()

• returns: <Array<Worker>>

All existing service workers in the context.