JavaScript libraries
Polyfill io is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser

JavaScript frameworks
React is the library for web and native user interfaces Build user interfaces out of individual pieces called components written in JavaScript React is designed to let you seamlessly combine components written by independent people teams and organizations

Ecommerce
The World Wide Web Consortium W3C develops standards and guidelines to help everyone build a web based on the principles of accessibility internationalization privacy and security

create react app set up a modern web app by running one command set up a modern web app by running one command