express js basic 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:${port}`))
//visit localhost:3000
// assuming you have done 1) npm init 2) npm install expresssample express app
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => res.send('Hello World!'))
app.listen(port, () => console.log(`Example app listening at http://localhost:${port}`))simple express server
const express = require('express');
const app = express();
const mongoose = require('mongoose');
const bodyParser = require('body-parser');
app.use(bodyParser.json());
const PORT = process.env.PORT || 3000;
app.use(bodyParser.json());
//connecting to db
try {
mongoose.connect('mongodb://localhost/YOUR_DB_NAME', {
useNewUrlParser: true,
useUnifiedTopology: true,
useCreateIndex: true,
}, () =>
console.log("connected"));
} catch (error) {
console.log("could not connect");
}
app.get('/', (req, res) => {
res.send('<h1>Some HTML</h1>');
res.send('<p>Even more HTML</p>');
});
app.listen(PORT, () => console.log(`Server is listening on port ${PORT}`));Copyright © 2021 Codeinu
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