express js example
//to run : node filename.js
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => res.send('Hello World!'))
app.listen(port, () => console.log(`Example app listening at http://localhost:${port}`))
//visit localhost:3000
// assuming you have done 1) npm init 2) npm install expressnode js express url parameters
// http://localhost:8080/api/1
app.get('/api/:version', function(req, res) {
res.send(req.params.version);
});Copyright © 2021 Codeinu
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