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

class: ChromiumBrowserContext

• extends: [BrowserContext]

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

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

# FIXME
background_page = await context.wait_for_event("backgroundpage")

# FIXME
background_page = context.wait_for_event("backgroundpage")

event: ChromiumBrowserContext.backgroundpage

• type: <[Page]>

Emitted when new background page is created in the context.

:::note Only works with persistent context. :::

event: ChromiumBrowserContext.serviceworker

• type: <[Worker]>

Emitted when new service worker is created in the context.

method: ChromiumBrowserContext.backgroundPages

• returns: <[Array]<[Page]>>

All existing background pages in the context.

async method: ChromiumBrowserContext.newCDPSession

• returns: <[CDPSession]>

Returns the newly created session.

param: ChromiumBrowserContext.newCDPSession.page

• page <[Page]>

Page to create new session for.

method: ChromiumBrowserContext.serviceWorkers

• returns: <[Array]<[Worker]>>

All existing service workers in the context.