#Introduction

Subscribe's JavaScript SDK is a lightweight, production-ready, and battle-tested utility allowing you to manage your subscribers and display beautiful & fully dynamic authentication elements for the web, as well as retrieving your user's premium status whenever you need. It has been built using modern JavaScript but was made to work with most of the browsers still in use today.

ℹ️ Our JavaScript examples use the ES6 syntax. While most modern browsers natively support ES6, make sure you adapt your code so it properly works with your end users’ environment. To transpile ES6 code into ES5, we recommend using Babel or SWC.