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chore(main): release 15.4.0 (#8668) * chore(main): release 15.4.0 * chore: generate versioned docs Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-07-13 13:52:23 +00:00
---
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 <code>CDPSession</code> 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 <code>dialog</code> event. |
| [ElementHandle](./puppeteer.elementhandle.md) | ElementHandle represents an in-page DOM element. |
| [EventEmitter](./puppeteer.eventemitter.md) | The EventEmitter class that many Puppeteer classes extend. |
| [ExecutionContext](./puppeteer.executioncontext.md) | <p>This class represents a context for JavaScript execution. A \[Page\] might have many execution contexts: - each [frame](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe) has "default" execution context that is always created after frame is attached to DOM. This context is returned by the [Frame.executionContext()](./puppeteer.frame.executioncontext.md) method. - [Extension](https://developer.chrome.com/extensions)'s content scripts create additional execution contexts.</p><p>Besides pages, execution contexts can be found in [workers](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API).</p> |
| [FileChooser](./puppeteer.filechooser.md) | File choosers let you react to the page requesting for a file. |
| [Frame](./puppeteer.frame.md) | At every point of time, page exposes its current frame tree via the [page.mainFrame](./puppeteer.page.mainframe.md) and [frame.childFrames](./puppeteer.frame.childframes.md) methods. |
| [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 an in-page JavaScript object. JSHandles can be created with the [page.evaluateHandle](./puppeteer.page.evaluatehandle.md) method. |
| [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) | <p>Page provides methods to interact with a single tab or [extension background page](https://developer.chrome.com/extensions/background_pages) in Chromium.</p><p>:::note</p><p>One Browser instance might have multiple Page instances.</p><p>:::</p> |
| [ProtocolError](./puppeteer.protocolerror.md) | ProtocolError is emitted whenever there is an error from the protocol. |
| [Puppeteer](./puppeteer.puppeteer.md) | <p>The main Puppeteer class.</p><p>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 <code>puppeteer</code>. That class extends <code>Puppeteer</code>, so has all the methods documented below as well as all that are defined on [PuppeteerNode](./puppeteer.puppeteernode.md).</p> |
| [PuppeteerNode](./puppeteer.puppeteernode.md) | <p>Extends the main [Puppeteer](./puppeteer.puppeteer.md) class with Node specific behaviour for fetching and downloading browsers.</p><p>If you're using Puppeteer in a Node environment, this is the class you'll get when you run <code>require('puppeteer')</code> (or the equivalent ES <code>import</code>).</p> |
| [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) | |
| [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) | The WebWorker 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) | Clears all registered handlers. |
| [customQueryHandlerNames()](./puppeteer.customqueryhandlernames.md) | |
| [registerCustomQueryHandler(name, handler)](./puppeteer.registercustomqueryhandler.md) | Registers a [custom query handler](./puppeteer.customqueryhandler.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) | |
| [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) | Contains two functions <code>queryOne</code> and <code>queryAll</code> that can be [registered](./puppeteer.registercustomqueryhandler.md) as alternative querying strategies. The functions <code>queryOne</code> and <code>queryAll</code> are executed in the page context. <code>queryOne</code> should take an <code>Element</code> and a selector string as argument and return a single <code>Element</code> or <code>null</code> if no element is found. <code>queryAll</code> takes the same arguments but should instead return a <code>NodeListOf&lt;Element&gt;</code> or <code>Array&lt;Element&gt;</code> with all the elements that match the given query selector. |
| [Device](./puppeteer.device.md) | |
| [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) | <p>Denotes the objects received by callback functions for page events.</p><p>See [PageEmittedEvents](./puppeteer.pageemittedevents.md) for more detail on the events and when they are emitted.</p> |
| [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) | |
| [ProductLauncher](./puppeteer.productlauncher.md) | Describes a launcher - a class that is able to create and launch a browser instance. |
| [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) | A list of devices to be used with <code>page.emulate(options)</code>. Actual list of devices can be found in [src/common/DeviceDescriptors.ts](https://github.com/puppeteer/puppeteer/blob/main/src/common/DeviceDescriptors.ts). |
| [errors](./puppeteer.errors.md) | <p>Puppeteer methods might throw errors if they are unable to fulfill a request. For example, <code>page.waitForSelector(selector[, options])</code> might fail if the selector doesn't match any nodes during the given timeframe.</p><p>For certain types of errors Puppeteer uses specific error classes. These classes are available via <code>puppeteer.errors</code>.</p> |
| [EVALUATION_SCRIPT_URL](./puppeteer.evaluation_script_url.md) | |
| [executablePath](./puppeteer.executablepath.md) | |
| [launch](./puppeteer.launch.md) | |
| [networkConditions](./puppeteer.networkconditions.md) | A list of network conditions to be used with <code>page.emulateNetworkConditions(networkConditions)</code>. Actual list of predefined conditions can be found in [src/common/NetworkConditions.ts](https://github.com/puppeteer/puppeteer/blob/main/src/common/NetworkConditions.ts). |
## 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. |
| [DevicesMap](./puppeteer.devicesmap.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 <code>puppeteer.launch</code> 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) | |
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