Many times with Node.js we start servers, like this HTTP server: JS. PTIJ Should we be afraid of Artificial Intelligence? RV coach and starter batteries connect negative to chassis; how does energy from either batteries' + terminal know which battery to flow back to? HTTP page not retrieved. If you see the start script is present inside your package.json file but still cant run the script, you need to check the console output.. WebStorm: Karma server not starting, TypeError: undefined is not a function on server.start(); (1) I have the latest version of WebStorm (10.0.4).