Answers for "express app.post"

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 express

expressjs post route

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

// POST method route
app.post('/', function (req, res) {
  // req.body
  res.send('POST request to the homepage')
})

express get url parameters

app.get('/path/:name', function(req, res) {
  res.send("tagId is set to " + req.params.name);
});

express post

app.post('/signup', async(req, res) => {
  const { email, firstName } = req.body
  const user = new User({ email, firstName })
  const ret = await user.save()
  res.json(ret)
})

node js express url parameters

// http://localhost:8080/api/1
app.get('/api/:version', function(req, res) {
    res.send(req.params.version);
});

express post method

fetch('',{
	method:'POST',
  	headers:{
    	'content-type': 'application/json'
    },
  	body:JSON.stringify(users)
})
.then(res=> res.json())
.then(data => console.log(data))