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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 create-jest-runner. Try it out:
require("@jest/test-result/package.json"); // @jest/test-result is a peer dependency.
require("jest-runner/package.json"); // jest-runner is a peer dependency.
var createJestRunner = require("create-jest-runner")
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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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