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 grunt-spec. Try it out:
require("grunt/package.json"); // grunt is a peer dependency.
require("grunt-contrib-jasmine/package.json"); // grunt-contrib-jasmine is a peer dependency.
require("grunt-lib-phantomjs/package.json"); // grunt-lib-phantomjs is a peer dependency.
require("grunt-template-jasmine-requirejs/package.json"); // grunt-template-jasmine-requirejs is a peer dependency.
require("js-yaml/package.json"); // js-yaml is a peer dependency.
require("mustache/package.json"); // mustache is a peer dependency.
require("read-yaml/package.json"); // read-yaml is a peer dependency.
var gruntSpec = require("grunt-spec")
- 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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