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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 karma-sinon-stub-promise. Try it out:
require("sinon-stub-promise/package.json"); // sinon-stub-promise is a peer dependency.
require("sinon/package.json"); // sinon is a peer dependency.
var karmaSinonStubPromise = require("karma-sinon-stub-promise")
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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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