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 ucb. Try it out:
/* eslint-disable */
const Algorithm = require('ucb');
const algorithm = new Algorithm();
algorithm.select().then((arm) => {
console.log('chose arm', arm);
return algorithm.reward(arm, 1);
})
.then(() => algorithm.serialize())
.then(state => console.log('new state', JSON.stringify(state, null, 2)));
- 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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