puppeteer/new-docs/puppeteer.protocol.emulation.md

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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [Emulation](./puppeteer.protocol.emulation.md)

## Protocol.Emulation namespace

This domain emulates different environments for the page.

<b>Signature:</b>

```typescript
export namespace Emulation 
```

## Enumerations

|  Enumeration | Description |
|  --- | --- |
|  [DisplayFeatureOrientation](./puppeteer.protocol.emulation.displayfeatureorientation.md) |  |
|  [ScreenOrientationType](./puppeteer.protocol.emulation.screenorientationtype.md) |  |
|  [SetEmitTouchEventsForMouseRequestConfiguration](./puppeteer.protocol.emulation.setemittoucheventsformouserequestconfiguration.md) |  |
|  [SetEmulatedVisionDeficiencyRequestType](./puppeteer.protocol.emulation.setemulatedvisiondeficiencyrequesttype.md) |  |

## Interfaces

|  Interface | Description |
|  --- | --- |
|  [CanEmulateResponse](./puppeteer.protocol.emulation.canemulateresponse.md) |  |
|  [DisplayFeature](./puppeteer.protocol.emulation.displayfeature.md) |  |
|  [MediaFeature](./puppeteer.protocol.emulation.mediafeature.md) |  |
|  [ScreenOrientation](./puppeteer.protocol.emulation.screenorientation.md) | Screen orientation. |
|  [SetCPUThrottlingRateRequest](./puppeteer.protocol.emulation.setcputhrottlingraterequest.md) |  |
|  [SetDefaultBackgroundColorOverrideRequest](./puppeteer.protocol.emulation.setdefaultbackgroundcoloroverriderequest.md) |  |
|  [SetDeviceMetricsOverrideRequest](./puppeteer.protocol.emulation.setdevicemetricsoverriderequest.md) |  |
|  [SetDocumentCookieDisabledRequest](./puppeteer.protocol.emulation.setdocumentcookiedisabledrequest.md) |  |
|  [SetEmitTouchEventsForMouseRequest](./puppeteer.protocol.emulation.setemittoucheventsformouserequest.md) |  |
|  [SetEmulatedMediaRequest](./puppeteer.protocol.emulation.setemulatedmediarequest.md) |  |
|  [SetEmulatedVisionDeficiencyRequest](./puppeteer.protocol.emulation.setemulatedvisiondeficiencyrequest.md) |  |
|  [SetFocusEmulationEnabledRequest](./puppeteer.protocol.emulation.setfocusemulationenabledrequest.md) |  |
|  [SetGeolocationOverrideRequest](./puppeteer.protocol.emulation.setgeolocationoverriderequest.md) |  |
|  [SetIdleOverrideRequest](./puppeteer.protocol.emulation.setidleoverriderequest.md) |  |
|  [SetLocaleOverrideRequest](./puppeteer.protocol.emulation.setlocaleoverriderequest.md) |  |
|  [SetNavigatorOverridesRequest](./puppeteer.protocol.emulation.setnavigatoroverridesrequest.md) |  |
|  [SetPageScaleFactorRequest](./puppeteer.protocol.emulation.setpagescalefactorrequest.md) |  |
|  [SetScriptExecutionDisabledRequest](./puppeteer.protocol.emulation.setscriptexecutiondisabledrequest.md) |  |
|  [SetScrollbarsHiddenRequest](./puppeteer.protocol.emulation.setscrollbarshiddenrequest.md) |  |
|  [SetTimezoneOverrideRequest](./puppeteer.protocol.emulation.settimezoneoverriderequest.md) |  |
|  [SetTouchEmulationEnabledRequest](./puppeteer.protocol.emulation.settouchemulationenabledrequest.md) |  |
|  [SetUserAgentOverrideRequest](./puppeteer.protocol.emulation.setuseragentoverriderequest.md) |  |
|  [SetVirtualTimePolicyRequest](./puppeteer.protocol.emulation.setvirtualtimepolicyrequest.md) |  |
|  [SetVirtualTimePolicyResponse](./puppeteer.protocol.emulation.setvirtualtimepolicyresponse.md) |  |
|  [SetVisibleSizeRequest](./puppeteer.protocol.emulation.setvisiblesizerequest.md) |  |
|  [UserAgentBrandVersion](./puppeteer.protocol.emulation.useragentbrandversion.md) | Used to specify User Agent Cient Hints to emulate. See https://wicg.github.io/ua-client-hints |
|  [UserAgentMetadata](./puppeteer.protocol.emulation.useragentmetadata.md) | Used to specify User Agent Cient Hints to emulate. See https://wicg.github.io/ua-client-hints |

## Type Aliases

|  Type Alias | Description |
|  --- | --- |
|  [VirtualTimePolicy](./puppeteer.protocol.emulation.virtualtimepolicy.md) | advance: If the scheduler runs out of immediate work, the virtual time base may fast forward to allow the next delayed task (if any) to run; pause: The virtual time base may not advance; pauseIfNetworkFetchesPending: The virtual time base may not advance if there are any pending resource fetches. |
chore: generate docs for the protocol (#6213) 2020-07-13 13:01:35 +00:00			`<!-- Do not edit this file. It is automatically generated by API Documenter. -->`

			`[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md)`

			`## Protocol.Emulation namespace`

			`This domain emulates different environments for the page.`

			`<b>Signature:</b>`

			```typescript
			`export namespace Emulation`
			```

feat(chromium): roll Chromium to r782078 (#6250) This corresponds to Chromium 85.0.4182.0. This roll includes: - Enable SameSiteByDefaultCookies and CookiesWithoutSameSiteMustBeSecure https://crrev.com/c/2231445 - [FlexNG] Enable FlexNG by default https://crrev.com/c/2216595 Closes #6151. 2020-07-20 15:17:06 +00:00			`## Enumerations`

			`\| Enumeration \| Description \|`
			`\| --- \| --- \|`
feat(chromium): roll Chromium to r800071 (#6407) * roll Chromium to version 86, r800071 * roll Chrome DevTools protocol version to 0.0.799653 * fix HTTPRequest.continue after * CDP: accept post data in the binary form in Fetch.continueRequest. https://chromium-review.googlesource.com/c/chromium/src/+/2315239 * update new-docs 2020-09-09 19:23:46 +00:00			`\| [DisplayFeatureOrientation](./puppeteer.protocol.emulation.displayfeatureorientation.md) \| \|`
feat(chromium): roll Chromium to r782078 (#6250) This corresponds to Chromium 85.0.4182.0. This roll includes: - Enable SameSiteByDefaultCookies and CookiesWithoutSameSiteMustBeSecure https://crrev.com/c/2231445 - [FlexNG] Enable FlexNG by default https://crrev.com/c/2216595 Closes #6151. 2020-07-20 15:17:06 +00:00			`\| [ScreenOrientationType](./puppeteer.protocol.emulation.screenorientationtype.md) \| \|`
			`\| [SetEmitTouchEventsForMouseRequestConfiguration](./puppeteer.protocol.emulation.setemittoucheventsformouserequestconfiguration.md) \| \|`
			`\| [SetEmulatedVisionDeficiencyRequestType](./puppeteer.protocol.emulation.setemulatedvisiondeficiencyrequesttype.md) \| \|`

chore: generate docs for the protocol (#6213) 2020-07-13 13:01:35 +00:00			`## Interfaces`

			`\| Interface \| Description \|`
			`\| --- \| --- \|`
			`\| [CanEmulateResponse](./puppeteer.protocol.emulation.canemulateresponse.md) \| \|`
feat(chromium): roll Chromium to r800071 (#6407) * roll Chromium to version 86, r800071 * roll Chrome DevTools protocol version to 0.0.799653 * fix HTTPRequest.continue after * CDP: accept post data in the binary form in Fetch.continueRequest. https://chromium-review.googlesource.com/c/chromium/src/+/2315239 * update new-docs 2020-09-09 19:23:46 +00:00			`\| [DisplayFeature](./puppeteer.protocol.emulation.displayfeature.md) \| \|`
chore: generate docs for the protocol (#6213) 2020-07-13 13:01:35 +00:00			`\| [MediaFeature](./puppeteer.protocol.emulation.mediafeature.md) \| \|`
			`\| [ScreenOrientation](./puppeteer.protocol.emulation.screenorientation.md) \| Screen orientation. \|`
			`\| [SetCPUThrottlingRateRequest](./puppeteer.protocol.emulation.setcputhrottlingraterequest.md) \| \|`
			`\| [SetDefaultBackgroundColorOverrideRequest](./puppeteer.protocol.emulation.setdefaultbackgroundcoloroverriderequest.md) \| \|`
			`\| [SetDeviceMetricsOverrideRequest](./puppeteer.protocol.emulation.setdevicemetricsoverriderequest.md) \| \|`
			`\| [SetDocumentCookieDisabledRequest](./puppeteer.protocol.emulation.setdocumentcookiedisabledrequest.md) \| \|`
			`\| [SetEmitTouchEventsForMouseRequest](./puppeteer.protocol.emulation.setemittoucheventsformouserequest.md) \| \|`
			`\| [SetEmulatedMediaRequest](./puppeteer.protocol.emulation.setemulatedmediarequest.md) \| \|`
			`\| [SetEmulatedVisionDeficiencyRequest](./puppeteer.protocol.emulation.setemulatedvisiondeficiencyrequest.md) \| \|`
			`\| [SetFocusEmulationEnabledRequest](./puppeteer.protocol.emulation.setfocusemulationenabledrequest.md) \| \|`
			`\| [SetGeolocationOverrideRequest](./puppeteer.protocol.emulation.setgeolocationoverriderequest.md) \| \|`
feat(chromium): roll Chromium to r800071 (#6407) * roll Chromium to version 86, r800071 * roll Chrome DevTools protocol version to 0.0.799653 * fix HTTPRequest.continue after * CDP: accept post data in the binary form in Fetch.continueRequest. https://chromium-review.googlesource.com/c/chromium/src/+/2315239 * update new-docs 2020-09-09 19:23:46 +00:00			`\| [SetIdleOverrideRequest](./puppeteer.protocol.emulation.setidleoverriderequest.md) \| \|`
chore: generate docs for the protocol (#6213) 2020-07-13 13:01:35 +00:00			`\| [SetLocaleOverrideRequest](./puppeteer.protocol.emulation.setlocaleoverriderequest.md) \| \|`
			`\| [SetNavigatorOverridesRequest](./puppeteer.protocol.emulation.setnavigatoroverridesrequest.md) \| \|`
			`\| [SetPageScaleFactorRequest](./puppeteer.protocol.emulation.setpagescalefactorrequest.md) \| \|`
			`\| [SetScriptExecutionDisabledRequest](./puppeteer.protocol.emulation.setscriptexecutiondisabledrequest.md) \| \|`
			`\| [SetScrollbarsHiddenRequest](./puppeteer.protocol.emulation.setscrollbarshiddenrequest.md) \| \|`
			`\| [SetTimezoneOverrideRequest](./puppeteer.protocol.emulation.settimezoneoverriderequest.md) \| \|`
			`\| [SetTouchEmulationEnabledRequest](./puppeteer.protocol.emulation.settouchemulationenabledrequest.md) \| \|`
			`\| [SetUserAgentOverrideRequest](./puppeteer.protocol.emulation.setuseragentoverriderequest.md) \| \|`
			`\| [SetVirtualTimePolicyRequest](./puppeteer.protocol.emulation.setvirtualtimepolicyrequest.md) \| \|`
			`\| [SetVirtualTimePolicyResponse](./puppeteer.protocol.emulation.setvirtualtimepolicyresponse.md) \| \|`
			`\| [SetVisibleSizeRequest](./puppeteer.protocol.emulation.setvisiblesizerequest.md) \| \|`
			`\| [UserAgentBrandVersion](./puppeteer.protocol.emulation.useragentbrandversion.md) \| Used to specify User Agent Cient Hints to emulate. See https://wicg.github.io/ua-client-hints \|`
			`\| [UserAgentMetadata](./puppeteer.protocol.emulation.useragentmetadata.md) \| Used to specify User Agent Cient Hints to emulate. See https://wicg.github.io/ua-client-hints \|`

			`## Type Aliases`

			`\| Type Alias \| Description \|`
			`\| --- \| --- \|`
			`\| [VirtualTimePolicy](./puppeteer.protocol.emulation.virtualtimepolicy.md) \| advance: If the scheduler runs out of immediate work, the virtual time base may fast forward to allow the next delayed task (if any) to run; pause: The virtual time base may not advance; pauseIfNetworkFetchesPending: The virtual time base may not advance if there are any pending resource fetches. \|`