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JavaScript

Launch workspace preview is not working properly on node.js tutorial. How do I fix?

Working on a tutorial that requires me to create a server on a specific port, run the "node app.js", and preview on specified port. However when I run said js file and preview on said port, I get a sort of 404, explaining to me that it is not there and to try and navigate to the teamtreehouse main site.

Im having this same issue did you ever get past it