---
title: "About JavaScript Delivery SDK"
description: "The JavaScript guide covers a series of topics on our CMS that ranges from a quickstart guide, queries that you can send to Contentstack to fetch data for your JavaScript app using the Content Delivery APIs, download the SDK for JavaScript, and example apps"
url: "https://www.contentstack.com/docs/developers/sdks/content-delivery-sdk/javascript-browser/about-javascript-delivery-sdk"
product: "Contentstack"
doc_type: "guide"
audience:
  - developers
  - admins
version: "current"
last_updated: "2026-07-22"
---

# About JavaScript Delivery SDK

**Note**: We recommend using the [TypeScript Delivery SDK](/docs/developers/sdks/content-delivery-sdk/typescript/about-typescript-delivery-sdk) as a preferred option over the JavaScript Delivery SDK for optimal performance and enhanced functionality in your project. Learn to seamlessly [migrate from JavaScript to TypeScript](/docs/developers/sdks/content-delivery-sdk/typescript/migrate-from-javascript-to-typescript).

Contentstack provides JavaScript Delivery SDK that Developers can use to develop JavaScript applications and power its content from Contentstack. The Contentstack JavaScript Delivery SDK uses our [Content Delivery APIs](/docs/developers/apis/content-delivery-api) to fetch content from Contentstack and deliver it to your JavaScript-based applications.

**Note**: The Contentstack JavaScript SDK supports [NodeJS](https://nodejs.org/en) version 22 or later.

In order to integrate your JavaScript app with Contentstack JavaScript Delivery SDK, follow the steps mentioned in the [Get Started](/docs/developers/sdks/content-delivery-sdk/javascript-browser/get-started-with-javascript-delivery-sdk) section.

You can check out the [sample JavaScript apps](/docs/headless-cms/next) that Contentstack have developed to see JavaScript Delivery SDK in action.

## More Resources

*   [View and Download JavaScript Delivery SDK repository on GitHub](https://github.com/contentstack/contentstack-javascript)