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Server-Side Scripting/Introduction/Node.js (Express)

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app.js

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// Displays 'Hello world!'
//
// References:
//   https://repl.it/languages/express
//   https://expressjs.com/en/starter/hello-world.html

const express = require('express');
const app = express();

app.get('/', (request, response) => {
    response.send('Hello world!');
});

app.listen(port=3000);

Try It

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