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 webrain. Try it out:
require("@babel/runtime-corejs3/package.json"); // @babel/runtime-corejs3 is a peer dependency.
require("core-js-pure/package.json"); // core-js-pure is a peer dependency.
require("regenerator-runtime/package.json"); // regenerator-runtime is a peer dependency.
require("assertion-error/package.json"); // assertion-error is a peer dependency.
var webrain = require("webrain")
- 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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