RunKit + 
Try any Node.js package right in your browser
This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including @usewinter/checkout. Try it out:
require("@babel/polyfill/package.json"); // @babel/polyfill is a peer dependency.
require("react/package.json"); // react is a peer dependency.
require("core-js/package.json"); // core-js is a peer dependency.
var checkout = require("@usewinter/checkout")
- all documents on RunKit are public
require()any package directly from npm- use arrow functions, classes, template strings, and most of ES6
awaitany promise instead of using callbacks (example)- create your own embedded node.js snippets
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