how to set up an express api nodejs code example

Example: how to set up an express api nodejs

const express = require('express')

const app = express() 

app.get('/', (req, res, next) => {
	res.json({
      message: 'This is my JSON api'
    });
});

app.listen(your-port-here, () => {
	console.log(`listening on http://localhost:${the-port-goes-here}`)
});

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