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Express.js – app.post() Method
The app.post() method routes all the HTTP POST requests to the specified path with the specified callback functions.
Syntax
app.path(path, callback, [callback])
Parameters
- path − This is the path for which the middleware function is invoked. A path can be a string, path pattern, a regular expression or an array of all these.
- callback − These are the middleware functions or a series of middleware functions that acts like a middleware except that these callbacks can invoke next (route).
Example 1
Create a file with the name "appPost.js" and copy the following code snippet. After creating the file, use the command "node appPost.js" to run this code.
// app.post() Method Demo Example
// Importing the express module
const express = require('express');
// Initializing the express and port number
var app = express();
// Initializing the router from express
var router = express.Router();
var PORT = 3000;
// Creating a POST request
app.post('/api', (req, res) => {
console.log("POST Request Called for /api endpoint")
res.send("POST Request Called")
})
// App listening on the below port
app.listen(PORT, function(err){
if (err) console.log(err);
console.log("Server listening on PORT", PORT);
});Hit the following Endpoint with a POST request
http://localhost:3000/api
Output
C:\home
ode>> node appPost.js Server listening on PORT 3000 POST Request Called for /api endpoint
Example 2
Let’s take a look at one more example.
// app.post() Method Demo Example
// Importing the express module
const express = require('express');
// Initializing the express and port number
var app = express();
// Initializing the router from express
var router = express.Router();
var PORT = 3000;
// Creating a POST request
app.post('/api', (req, res) => {
console.log("Method called is -- ", req.method)
res.end()
})
// App listening on the below port
app.listen(PORT, function(err){
if (err) console.log(err);
console.log("Server listening on PORT", PORT);
});Now, hit the following Endpoint with a POST request
http://localhost:3000/api
Output
C:\home
ode>> node appPost.js Server listening on PORT 3000 Method called is -- POST
Updated on: 30-Sep-2021
6K+ Views
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