### Table of contents

1. [Core concepts](./core-concepts.md)
    - [Browser](./core-concepts.md#browser)
    - [Browser contexts](./core-concepts.md#browser-contexts)
    - [Pages and frames](./core-concepts.md#pages-and-frames)
    - [Selectors](./core-concepts.md#selectors)
    - [Auto-waiting](./core-concepts.md#auto-waiting)
    - [Node.js and browser execution contexts](./core-concepts.md#node-js-and-browser-execution-contexts)
    - [Object & element handles](./core-concepts.md#object--element-handles)
1. [Input](./input.md)
    - [Text input](./input.md#text-input)
    - [Checkboxes](./input.md#checkboxes)
    - [Select options](./input.md#select-options)
    - [Mouse click](./input.md#mouse-click)
    - [Type characters](./input.md#type-characters)
    - [Keys and shortcuts](./input.md#keys-and-shortcuts)
    - [Upload files](./input.md#upload-files)
    - [Focus element](./input.md#focus-element)
1. [Emulation](./emulation.md)
    - [User agent](./emulation.md#user-agent)
    - [Viewport, color scheme](./emulation.md#viewport-color-scheme)
    - [Devices](./emulation.md#devices)
    - [Locale & Timezone](./emulation.md#locale--timezone)
    - [Permissions](./emulation.md#permissions)
    - [Geolocation](./emulation.md#geolocation)
1. [Network](./network.md)
    - [HTTP Authentication](./network.md#http-authentication)
    - [Handle file downloads](./network.md#handle-file-downloads)
    - [Network events](./network.md#network-events)
    - [Handle requests](./network.md#handle-requests)
    - [Modify requests](./network.md#modify-requests)
    - [Abort requests](./network.md#abort-requests)
1. Scraping and verification
    - Screenshots
    - Evaluation
1. [Navigation and loading](./loading.md)
    - [Common scenarios](./loading.md#common-scenarios)
    - [Loading a popup](./loading.md#loading-a-popup)
    - [Client-side redirects](./loading.md#unusual-client-side-redirects)
    - [Navigation after a timeout](./loading.md#click-triggers-navigation-after-a-timeout)
1. [Continuous integration](./ci.md)
    - [Docker](./ci.md#docker)
    - [GitHub Actions](./ci.md#github-actions)
    - [Azure Pipelines](./ci.md#azure-pipelines)
    - [Travis CI](./ci.md#travis-ci)
    - [CircleCI](./ci.md#circleci)
    - [AppVeyor](./ci.md#appveyor)
1. Test runners
    - Jest
    - Mocha
    - Karma
    - Jasmine
    - Storybooks
1. [Extensibility](./extensibility.md)
    - [Custom selector engines](./extensibility.md#custom-selector-engines)
1. [API Reference](./api.md)