Failed to load resource: net::ERR_CONNECTION_REFUSED : Nodejs

Failed to load resource: net::ERR_CONNECTION_REFUSED : :3000/contact/send:1

Your error means your client application is Unable to connect to your nodejs server.

Fix

Your code :

const uri = 'http://localhost:3000/contact/send';

Will work if nodejs server is running on port 3000 on localhost.

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