This is a playground to test JavaScript. It runs a completely standard copy of Node.js on a virtual server created just for you. Every one of npm’s 300,000+ packages are pre-installed, so try it out:
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SQ02_EASTER_EGG="Log into series 2 of Stellar Quest then visit quest.stellar.org/series2. Finally drag and drop your Stellar Quest series 2 badge PNG images onto the screen. Enjoy!"