# Resources
- [Load polyfills only when needed](https://philipwalton.com/articles/loading-polyfills-only-when-needed) 
- Feature Detection:  
    - [Writing Polyfills](https://addyosmani.com/blog/writing-polyfills) 
    - [An easier way of using polyfills](https://hacks.mozilla.org/2014/11/an-easier-way-of-using-polyfills) 
    - [Polyfill.io feature detectin](https://polyfill.io/v2/docs/examples#feature-detection) 
- [Utility to convert between polyfill list and a query string representation](https://github.com/Financial-Times/polyfill-service/blob/master/service/PolyfillSet.js) 
- [Testing with Mocha and Proclaim](https://github.com/Financial-Times/polyfill-service/blob/master/test/node/lib/test_aliases.js) 
- [Using console.log asserts with Mocha and Chai without Stubbs](https://github.com/mochajs/mocha/wiki/Mess-with-globals)