post request node js express code example

Example 1: How to parse POST requests with express nodejs

const express = require('express');
const bodyParser = require('body-parser');

const app = express();
app.use(bodyParser.urlencoded({ extended: true }));

app.post('/post-test', (req, res) => {
    console.log('Got body:', req.body);
    res.sendStatus(200);
});

app.listen(8080, () => console.log(`Started server at http://localhost:8080!`));

Example 2: express get url parameters

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

Example 3: app.post (req res) get data

const express=require('express');
const app=express();
//accept Post with no midleWare express
app.post("/register/",function(req,res){
    var bodyStr = '';
    req.on("data",function(chunk){
        bodyStr += chunk.toString();
    });
    req.on("end",function(){
        res.send(bodyStr);
    });

});

Example 4: node js express url parameters

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

Example 5: express route parameters

app.get('/users/:userId/books/:bookId', function (req, res) {
  res.send(req.params)
})

Example 6: node send post request

const axios = require('axios')

axios
  .post('https://whatever.com/todos', {
    todo: 'Buy the milk'
  })
  .then(res => {
    console.log(`statusCode: ${res.statusCode}`)
    console.log(res)
  })
  .catch(error => {
    console.error(error)
  })

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Javascript Example

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