--- sidebar_label: API --- # API Reference ## Classes | Class | Description | | ------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [Accessibility](./puppeteer.accessibility.md) | The Accessibility class provides methods for inspecting Chromium's accessibility tree. The accessibility tree is used by assistive technology such as [screen readers](https://en.wikipedia.org/wiki/Screen_reader) or [switches](https://en.wikipedia.org/wiki/Switch_access). | | [Browser](./puppeteer.browser.md) | A Browser is created when Puppeteer connects to a Chromium instance, either through [PuppeteerNode.launch()](./puppeteer.puppeteernode.launch.md) or [Puppeteer.connect()](./puppeteer.puppeteer.connect.md). | | [BrowserContext](./puppeteer.browsercontext.md) | BrowserContexts provide a way to operate multiple independent browser sessions. When a browser is launched, it has a single BrowserContext used by default. The method [Browser.newPage](./puppeteer.browser.newpage.md) creates a page in the default browser context. | | [BrowserFetcher](./puppeteer.browserfetcher.md) | BrowserFetcher can download and manage different versions of Chromium and Firefox. | | [CDPSession](./puppeteer.cdpsession.md) | The CDPSession instances are used to talk raw Chrome Devtools Protocol. | | [Connection](./puppeteer.connection.md) | | | [ConsoleMessage](./puppeteer.consolemessage.md) | ConsoleMessage objects are dispatched by page via the 'console' event. | | [Coverage](./puppeteer.coverage.md) | The Coverage class provides methods to gathers information about parts of JavaScript and CSS that were used by the page. | | [CSSCoverage](./puppeteer.csscoverage.md) | | | [CustomError](./puppeteer.customerror.md) | | | [Dialog](./puppeteer.dialog.md) | Dialog instances are dispatched by the [Page](./puppeteer.page.md) via the dialog event. | | [ElementHandle](./puppeteer.elementhandle.md) | ElementHandle represents an in-page DOM element. | | [EventEmitter](./puppeteer.eventemitter.md) | The EventEmitter class that many Puppeteer classes extend. | | [FileChooser](./puppeteer.filechooser.md) | File choosers let you react to the page requesting for a file. | | [Frame](./puppeteer.frame.md) |

Represents a DOM frame.

To understand frames, you can think of frames as <iframe> elements. Just like iframes, frames can be nested, and when JavaScript is executed in a frame, the JavaScript does not effect frames inside the ambient frame the JavaScript executes in.

| | [HTTPRequest](./puppeteer.httprequest.md) | Represents an HTTP request sent by a page. | | [HTTPResponse](./puppeteer.httpresponse.md) | The HTTPResponse class represents responses which are received by the [Page](./puppeteer.page.md) class. | | [JSCoverage](./puppeteer.jscoverage.md) | | | [JSHandle](./puppeteer.jshandle.md) |

Represents a reference to a JavaScript object. Instances can be created using [Page.evaluateHandle()](./puppeteer.page.evaluatehandle.md).

Handles prevent the referenced JavaScript object from being garbage-collected unless the handle is purposely [disposed](./puppeteer.jshandle.dispose.md). JSHandles are auto-disposed when their associated frame is navigated away or the parent context gets destroyed.

Handles can be used as arguments for any evaluation function such as [Page.$eval()](./puppeteer.page._eval.md), [Page.evaluate()](./puppeteer.page.evaluate.md), and [Page.evaluateHandle()](./puppeteer.page.evaluatehandle.md). They are resolved to their referenced object.

| | [Keyboard](./puppeteer.keyboard.md) | Keyboard provides an api for managing a virtual keyboard. The high level api is [Keyboard.type()](./puppeteer.keyboard.type.md), which takes raw characters and generates proper keydown, keypress/input, and keyup events on your page. | | [Mouse](./puppeteer.mouse.md) | The Mouse class operates in main-frame CSS pixels relative to the top-left corner of the viewport. | | [Page](./puppeteer.page.md) |

Page provides methods to interact with a single tab or [extension background page](https://developer.chrome.com/extensions/background_pages) in Chromium.

:::note

One Browser instance might have multiple Page instances.

:::

| | [ProductLauncher](./puppeteer.productlauncher.md) | Describes a launcher - a class that is able to create and launch a browser instance. | | [ProtocolError](./puppeteer.protocolerror.md) | ProtocolError is emitted whenever there is an error from the protocol. | | [Puppeteer](./puppeteer.puppeteer.md) |

The main Puppeteer class.

IMPORTANT: if you are using Puppeteer in a Node environment, you will get an instance of [PuppeteerNode](./puppeteer.puppeteernode.md) when you import or require puppeteer. That class extends Puppeteer, so has all the methods documented below as well as all that are defined on [PuppeteerNode](./puppeteer.puppeteernode.md).

| | [PuppeteerNode](./puppeteer.puppeteernode.md) |

Extends the main [Puppeteer](./puppeteer.puppeteer.md) class with Node specific behaviour for fetching and downloading browsers.

If you're using Puppeteer in a Node environment, this is the class you'll get when you run require('puppeteer') (or the equivalent ES import).

| | [SecurityDetails](./puppeteer.securitydetails.md) | The SecurityDetails class represents the security details of a response that was received over a secure connection. | | [Target](./puppeteer.target.md) | Target represents a [CDP target](https://chromedevtools.github.io/devtools-protocol/tot/Target/). In CDP a target is something that can be debugged such a frame, a page or a worker. | | [TimeoutError](./puppeteer.timeouterror.md) | TimeoutError is emitted whenever certain operations are terminated due to timeout. | | [Touchscreen](./puppeteer.touchscreen.md) | The Touchscreen class exposes touchscreen events. | | [Tracing](./puppeteer.tracing.md) | The Tracing class exposes the tracing audit interface. | | [WebWorker](./puppeteer.webworker.md) | This class represents a [WebWorker](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API). | ## Enumerations | Enumeration | Description | | ------------------------------------------------------------------------- | --------------------------------------------------------------------- | | [BrowserContextEmittedEvents](./puppeteer.browsercontextemittedevents.md) | | | [BrowserEmittedEvents](./puppeteer.browseremittedevents.md) | All the events a [browser instance](./puppeteer.browser.md) may emit. | | [InterceptResolutionAction](./puppeteer.interceptresolutionaction.md) | | | [PageEmittedEvents](./puppeteer.pageemittedevents.md) | All the events that a page instance may emit. | ## Functions | Function | Description | | -------------------------------------------------------------------------------------- | ----------- | | [clearCustomQueryHandlers()](./puppeteer.clearcustomqueryhandlers.md) | | | [customQueryHandlerNames()](./puppeteer.customqueryhandlernames.md) | | | [registerCustomQueryHandler(name, handler)](./puppeteer.registercustomqueryhandler.md) | | | [unregisterCustomQueryHandler(name)](./puppeteer.unregistercustomqueryhandler.md) | | ## Interfaces | Interface | Description | | --------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [BoundingBox](./puppeteer.boundingbox.md) | | | [BoxModel](./puppeteer.boxmodel.md) | | | [BrowserConnectOptions](./puppeteer.browserconnectoptions.md) | Generic browser options that can be passed when launching any browser or when connecting to an existing browser instance. | | [BrowserContextOptions](./puppeteer.browsercontextoptions.md) | BrowserContext options. | | [BrowserFetcherOptions](./puppeteer.browserfetcheroptions.md) | | | [BrowserFetcherRevisionInfo](./puppeteer.browserfetcherrevisioninfo.md) | | | [BrowserLaunchArgumentOptions](./puppeteer.browserlaunchargumentoptions.md) | Launcher options that only apply to Chrome. | | [CDPSessionOnMessageObject](./puppeteer.cdpsessiononmessageobject.md) | | | [ClickOptions](./puppeteer.clickoptions.md) | | | [CommonEventEmitter](./puppeteer.commoneventemitter.md) | | | [Configuration](./puppeteer.configuration.md) |

Defines options to configure Puppeteer's behavior during installation and runtime.

See individual properties for more information.

| | [ConnectionCallback](./puppeteer.connectioncallback.md) | | | [ConnectionTransport](./puppeteer.connectiontransport.md) | | | [ConnectOptions](./puppeteer.connectoptions.md) | | | [ConsoleMessageLocation](./puppeteer.consolemessagelocation.md) | | | [ContinueRequestOverrides](./puppeteer.continuerequestoverrides.md) | | | [CoverageEntry](./puppeteer.coverageentry.md) | The CoverageEntry class represents one entry of the coverage report. | | [Credentials](./puppeteer.credentials.md) | | | [CSSCoverageOptions](./puppeteer.csscoverageoptions.md) | Set of configurable options for CSS coverage. | | [CustomQueryHandler](./puppeteer.customqueryhandler.md) | | | [Device](./puppeteer.device.md) | | | [ExperimentsConfiguration](./puppeteer.experimentsconfiguration.md) |

Defines experiment options for Puppeteer.

See individual properties for more information.

| | [FrameAddScriptTagOptions](./puppeteer.frameaddscripttagoptions.md) | | | [FrameAddStyleTagOptions](./puppeteer.frameaddstyletagoptions.md) | | | [FrameWaitForFunctionOptions](./puppeteer.framewaitforfunctionoptions.md) | | | [GeolocationOptions](./puppeteer.geolocationoptions.md) | | | [InterceptResolutionState](./puppeteer.interceptresolutionstate.md) | | | [InternalNetworkConditions](./puppeteer.internalnetworkconditions.md) | | | [JSCoverageEntry](./puppeteer.jscoverageentry.md) | The CoverageEntry class for JavaScript | | [JSCoverageOptions](./puppeteer.jscoverageoptions.md) | Set of configurable options for JS coverage. | | [LaunchOptions](./puppeteer.launchoptions.md) | Generic launch options that can be passed when launching any browser. | | [MediaFeature](./puppeteer.mediafeature.md) | | | [Metrics](./puppeteer.metrics.md) | | | [MouseOptions](./puppeteer.mouseoptions.md) | | | [MouseWheelOptions](./puppeteer.mousewheeloptions.md) | | | [NetworkConditions](./puppeteer.networkconditions.md) | | | [Offset](./puppeteer.offset.md) | | | [PageEventObject](./puppeteer.pageeventobject.md) |

Denotes the objects received by callback functions for page events.

See [PageEmittedEvents](./puppeteer.pageemittedevents.md) for more detail on the events and when they are emitted.

| | [PDFMargin](./puppeteer.pdfmargin.md) | | | [PDFOptions](./puppeteer.pdfoptions.md) | Valid options to configure PDF generation via [Page.pdf()](./puppeteer.page.pdf.md). | | [Point](./puppeteer.point.md) | | | [PressOptions](./puppeteer.pressoptions.md) | | | [PuppeteerErrors](./puppeteer.puppeteererrors.md) | | | [PuppeteerLaunchOptions](./puppeteer.puppeteerlaunchoptions.md) | | | [RemoteAddress](./puppeteer.remoteaddress.md) | | | [ResponseForRequest](./puppeteer.responseforrequest.md) | Required response data to fulfill a request with. | | [ScreenshotClip](./puppeteer.screenshotclip.md) | | | [ScreenshotOptions](./puppeteer.screenshotoptions.md) | | | [SerializedAXNode](./puppeteer.serializedaxnode.md) | Represents a Node and the properties of it that are relevant to Accessibility. | | [SnapshotOptions](./puppeteer.snapshotoptions.md) | | | [TracingOptions](./puppeteer.tracingoptions.md) | | | [Viewport](./puppeteer.viewport.md) | Sets the viewport of the page. | | [WaitForOptions](./puppeteer.waitforoptions.md) | | | [WaitForSelectorOptions](./puppeteer.waitforselectoroptions.md) | | | [WaitForTargetOptions](./puppeteer.waitfortargetoptions.md) | | | [WaitTimeoutOptions](./puppeteer.waittimeoutoptions.md) | | ## Variables | Variable | Description | | --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------- | | [connect](./puppeteer.connect.md) | | | [createBrowserFetcher](./puppeteer.createbrowserfetcher.md) | | | [DEFAULT_INTERCEPT_RESOLUTION_PRIORITY](./puppeteer.default_intercept_resolution_priority.md) | The default cooperative request interception resolution priority | | [defaultArgs](./puppeteer.defaultargs.md) | | | [devices](./puppeteer.devices.md) | | | [errors](./puppeteer.errors.md) | | | [EVALUATION_SCRIPT_URL](./puppeteer.evaluation_script_url.md) | | | [executablePath](./puppeteer.executablepath.md) | | | [KnownDevices](./puppeteer.knowndevices.md) | A list of devices to be used with [Page.emulate()](./puppeteer.page.emulate.md). | | [launch](./puppeteer.launch.md) | | | [networkConditions](./puppeteer.networkconditions.md) | | | [PredefinedNetworkConditions](./puppeteer.predefinednetworkconditions.md) | A list of network conditions to be used with [Page.emulateNetworkConditions()](./puppeteer.page.emulatenetworkconditions.md). | | [puppeteer](./puppeteer.puppeteer.md) | | ## Type Aliases | Type Alias | Description | | ------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- | | [ActionResult](./puppeteer.actionresult.md) | | | [Awaitable](./puppeteer.awaitable.md) | | | [ChromeReleaseChannel](./puppeteer.chromereleasechannel.md) | | | [ConsoleMessageType](./puppeteer.consolemessagetype.md) | The supported types for console messages. | | [ElementFor](./puppeteer.elementfor.md) | | | [ErrorCode](./puppeteer.errorcode.md) | | | [EvaluateFunc](./puppeteer.evaluatefunc.md) | | | [EventType](./puppeteer.eventtype.md) | | | [FlattenHandle](./puppeteer.flattenhandle.md) | | | [HandleFor](./puppeteer.handlefor.md) | | | [HandleOr](./puppeteer.handleor.md) | | | [Handler](./puppeteer.handler.md) | | | [InnerParams](./puppeteer.innerparams.md) | | | [InterceptResolutionStrategy](./puppeteer.interceptresolutionstrategy.md) | | | [KeyInput](./puppeteer.keyinput.md) | All the valid keys that can be passed to functions that take user input, such as [keyboard.press](./puppeteer.keyboard.press.md) | | [LowerCasePaperFormat](./puppeteer.lowercasepaperformat.md) | | | [MouseButton](./puppeteer.mousebutton.md) | | | [NodeFor](./puppeteer.nodefor.md) | | | [PaperFormat](./puppeteer.paperformat.md) | All the valid paper format types when printing a PDF. | | [Permission](./puppeteer.permission.md) | | | [Platform](./puppeteer.platform.md) | Supported platforms. | | [Product](./puppeteer.product.md) | Supported products. | | [ProtocolLifeCycleEvent](./puppeteer.protocollifecycleevent.md) | | | [PuppeteerLifeCycleEvent](./puppeteer.puppeteerlifecycleevent.md) | | | [PuppeteerNodeLaunchOptions](./puppeteer.puppeteernodelaunchoptions.md) | Utility type exposed to enable users to define options that can be passed to puppeteer.launch without having to list the set of all types. | | [ResourceType](./puppeteer.resourcetype.md) | Resource types for HTTPRequests as perceived by the rendering engine. | | [TargetFilterCallback](./puppeteer.targetfiltercallback.md) | |