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 express post request json
var express = require('express');
var app = express();
app.use(express.json()); // built-in middleware for express
app.post('/', function(request, response){
let myJson = request.body; // your JSON
let myValue = request.body.myKey; // a value from your JSON
response.send(myJson); // echo the result back
});
app.listen(3000);express post
app.post('/', function (req, res) {
res.send('Got a POST request')
})Copyright © 2021 Codeinu
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