> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/feature-flags/new-to-feature-flags.md).

# New to Feature Flags?

- [What's Supported in Harness Feature Flags](https://developer.harness.io/feature-flags/new-to-feature-flags/ff-supported-platforms.md): Platforms and technologies supported by Harness Feature Flags
- [Get Started](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started.md): Explore resources that help you get started with Harness Feature Flags.
- [Harness Feature Flags (FF) Overview](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started/overview.md): An overview of how Harness Feature Flags work
- [Onboarding Guide](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started/onboarding-guide.md): Get started with Harness Feature Flags.
- [Feature Flags Tutorials](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started/tutorials.md): Learn about Harness Feature Flags with these tutorials.
- [Best Practices for Managing Flags](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started/feature-flag-best-practices.md): Best practices when using Harness Feature Flags.
- [Use Feature Flags for Trunk-Based Development](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started/trunk-based-development.md): Get started with trunk-based development.
- [Make Flags Resilient During a Mobile Web Browser Refresh](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started/mobile-browser-refresh.md): Ensure flags are refreshed after a mobile web browser gets brought to the foreground.
- [Add Feature Flags to a JavaScript App](https://developer.harness.io/feature-flags/new-to-feature-flags/get-started/typescript-react.md): Try out adding JavaScript Feature Flags to a TypeScript and React Application.