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Version: 2.0.0

JavaScript - 5 Minute Test

Try Featureflow in your browser in under 5 minutes using CodePen — no installation required.

Prerequisites​

If you haven't already, create a free Featureflow account.

1. Open the CodePen Example​

Open the Featureflow CodePen example.

2. Get Your API Key​

Navigate to your project page and find the Environments section. Click the key icon next to your environment to view the API keys:

Project Environments

Copy the Client SDK API Key (starts with sdk-js-env-):

API Keys Modal

In the CodePen, update the FF_KEY variable with your key:

const FF_KEY = 'sdk-js-env-YOUR_API_KEY';

3. Test It​

  1. Click Run in CodePen
  2. Open your Featureflow dashboard in another tab
  3. Toggle the example-feature on in your environment
  4. Refresh the CodePen — the output will change!

Congratulations! You've seen Featureflow in action.

Next Steps​