# Extended Configuration | Sentry for JavaScript

* #### [APIs](https://docs.sentry.io/platforms/javascript/configuration/apis.md)

  Learn more about APIs of the SDK.

* #### [Options](https://docs.sentry.io/platforms/javascript/configuration/options.md)

  Learn more about how the SDK can be configured via options. These are being passed to the init function and therefore set when the SDK is first initialized.

* #### [Integrations](https://docs.sentry.io/platforms/javascript/configuration/integrations.md)

  Learn more about how integrations extend the functionality of our SDK to cover common libraries and environments automatically.

* #### [Transports](https://docs.sentry.io/platforms/javascript/configuration/transports.md)

  Transports let you change the way in which events are delivered to Sentry.

* #### [Releases & Health](https://docs.sentry.io/platforms/javascript/configuration/releases.md)

  Learn how to configure your SDK to tell Sentry about your releases.

* #### [Filtering](https://docs.sentry.io/platforms/javascript/configuration/filtering.md)

  Learn more about how to configure your JavaScript SDK to set up filtering for events reported to Sentry.

* #### [Tree Shaking](https://docs.sentry.io/platforms/javascript/configuration/tree-shaking.md)

  Learn how to reduce Sentry bundle size by tree shaking unused code.