---
layout: guide
---

## JavaScript standard library

Type declarations for the [JavaScript standard library][CORE] are included
with Flow.

[CORE]: https://github.com/facebook/flow/blob/master/lib/core.js

Flow has broad support for the standard library, including support for
Iterables, Iterators, and Generators.

## Browser APIs

Type declarations for the [Document Object Model][DOM] (DOM), [Browser Object
Model][BOM] (BOM), and [CSS Object Model][CSSOM] (CSSOM) are all included with
Flow.

[DOM]: https://github.com/facebook/flow/blob/master/lib/dom.js
[BOM]: https://github.com/facebook/flow/blob/master/lib/bom.js
[CSSOM]: https://github.com/facebook/flow/blob/master/lib/cssom.js

## Node.js

Type declarations for the [Node.js standard library][NODE] are included with
Flow.

[NODE]: https://github.com/facebook/flow/blob/master/lib/node.js
