---
title: JavaScript SDK v6+
slug: feature-experimentation/docs/javascript-sdk
docTags: 
createdAt: 2026-08-05T20:40:02.000Z
---

## Minimum SDK version

This documentation is for JavaScript SDK versions 6.0.0+.

For versions 5.3.5 and earlier, see [JavaScript (Browser) SDK](docId:8h-w2Cm_Q9CrRsVQa1_0y) or [JavaScript (Node) SDK](docId:8h-w2Cm_Q9CrRsVQa1_0y).

See the [SDK compatibility matrix](docId:2shbZfPCkPAZ0mlZpL1TU) documentation for a list of current SDK releases and the features they support.

## Quickstart

To get started, see the [JavaScript SDK v6+ quickstart](docId\:PqXNDUFpSnBeoJfRiozb9).

## Reference

For reference documentation, see the left-hand menu, or start by [installing the JavaScript SDK v6+](https://docs.developers.optimizely.com/feature-experimentation/docs/install-the-javascript-browser-sdk-v6).

## Source files

You can find the [JavaScript SDK repository](https://github.com/optimizely/javascript-sdk) and [Releases](https://github.com/optimizely/javascript-sdk/releases) on GitHub.