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[Home](./index.md) &gt; [puppeteer](./puppeteer.md)

## puppeteer package

## 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 [Puppeteer.launch()](./puppeteer.puppeteer.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. |
|  [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) | 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  method. - [Extension](https://developer.chrome.com/extensions)<!-- -->'s content scripts create additional execution contexts.<!-- -->Besides pages, execution contexts can be found in [workers](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API)<!-- -->. |
|  [FileChooser](./puppeteer.filechooser.md) | File choosers let you react to the page requesting for a file. |
|  [Frame](./puppeteer.frame.md) |  |
|  [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. |
|  [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) | Page provides methods to interact with a single tab or \[extension background page\](https://developer.chrome.com/extensions/background\_pages) in Chromium. One \[Browser\] instance might have multiple \[Page\] instances. |
|  [Puppeteer](./puppeteer.puppeteer.md) | The main Puppeteer class Puppeteer module provides a method to launch a browser instance. |
|  [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 |
|  --- | --- |
|  [PageEmittedEvents](./puppeteer.pageemittedevents.md) | All the events that a page instance may emit. |

## Interfaces

|  Interface | Description |
|  --- | --- |
|  [BoundingBox](./puppeteer.boundingbox.md) |  |
|  [BoxModel](./puppeteer.boxmodel.md) |  |
|  [BrowserFetcherOptions](./puppeteer.browserfetcheroptions.md) |  |
|  [BrowserFetcherRevisionInfo](./puppeteer.browserfetcherrevisioninfo.md) |  |
|  [BrowserOptions](./puppeteer.browseroptions.md) | Generic browser options that can be passed when launching any browser. |
|  [ChromeArgOptions](./puppeteer.chromeargoptions.md) | Launcher options that only apply to Chrome. |
|  [ClickOptions](./puppeteer.clickoptions.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. |
|  [GeolocationOptions](./puppeteer.geolocationoptions.md) |  |
|  [JSCoverageOptions](./puppeteer.jscoverageoptions.md) | Set of configurable options for JS coverage. |
|  [JSONObject](./puppeteer.jsonobject.md) |  |
|  [LaunchOptions](./puppeteer.launchoptions.md) | Generic launch options that can be passed when launching any browser. |
|  [Metrics](./puppeteer.metrics.md) |  |
|  [MouseOptions](./puppeteer.mouseoptions.md) |  |
|  [MouseWheelOptions](./puppeteer.mousewheeloptions.md) |  |
|  [PressOptions](./puppeteer.pressoptions.md) |  |
|  [ProductLauncher](./puppeteer.productlauncher.md) | Describes a launcher - a class that is able to create and launch a browser instance. |
|  [RemoteAddress](./puppeteer.remoteaddress.md) |  |
|  [ResponseForRequest](./puppeteer.responseforrequest.md) | Required response data to fulfill a request with. |
|  [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) |  |
|  [WaitForOptions](./puppeteer.waitforoptions.md) |  |
|  [WaitForSelectorOptions](./puppeteer.waitforselectoroptions.md) |  |
|  [WaitForTargetOptions](./puppeteer.waitfortargetoptions.md) |  |
|  [WaitTimeoutOptions](./puppeteer.waittimeoutoptions.md) |  |

## Variables

|  Variable | Description |
|  --- | --- |
|  [devicesMap](./puppeteer.devicesmap.md) |  |
|  [EVALUATION\_SCRIPT\_URL](./puppeteer.evaluation_script_url.md) |  |
|  [puppeteerErrors](./puppeteer.puppeteererrors.md) |  |

## Type Aliases

|  Type Alias | Description |
|  --- | --- |
|  [ConsoleMessageType](./puppeteer.consolemessagetype.md) | The supported types for console messages. |
|  [DevicesMap](./puppeteer.devicesmap.md) |  |
|  [ErrorCode](./puppeteer.errorcode.md) |  |
|  [EvaluateFn](./puppeteer.evaluatefn.md) |  |
|  [EvaluateFnReturnType](./puppeteer.evaluatefnreturntype.md) |  |
|  [EvaluateHandleFn](./puppeteer.evaluatehandlefn.md) |  |
|  [JSONArray](./puppeteer.jsonarray.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) |
|  [MouseButton](./puppeteer.mousebutton.md) |  |
|  [Platform](./puppeteer.platform.md) | Supported platforms. |
|  [Product](./puppeteer.product.md) | Supported products. |
|  [PuppeteerErrors](./puppeteer.puppeteererrors.md) |  |
|  [Serializable](./puppeteer.serializable.md) |  |
|  [SerializableOrJSHandle](./puppeteer.serializableorjshandle.md) |  |
|  [UnwrapElementHandle](./puppeteer.unwrapelementhandle.md) | Unwraps a DOM element out of an ElementHandle instance |
|  [WrapElementHandle](./puppeteer.wrapelementhandle.md) | Wraps a DOM element into an ElementHandle instance |