Question
How To Install Express, a Node.js Framework, and Set Up Socket.io on a VPS...Part 4: The Server Code
- Posted March 2, 2016
- Node.jsConfiguration ManagementNetworkingUbuntu
Following the tutorial mentioned above, part 4, rewriting app.js, I get this error, any suggestion on how to correct it? /root/socketio-test/app.js:9 var app = express(); ^ TypeError: object is not a function at Object.<anonymous> (/root/socketio-test/app.js:9:11) at Module.compile (module.js:456:26) at Object.Module.extensions…js (module.js:474:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Function.Module.runMain (module.js:497:10) at startup (node.js:119:16) at node.js:902:3
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express() can be used to create a server in express 3.x.x but in earlier versions the command would be
That would be the most common reason for the issue you’re seeing. The other possibility is that express was not installed properly via npm, re-doing the install may correct this if changing the express() call does not.