Express.js | app.delete() Function
The app.delete() function is used to route the HTTP DELETE requests to the path which is specified as parameter with the callback functions being passed as parameter.
Syntax:
app.delete(path, callback)
Parameters:
- path: It is the path for which the middleware function is being called.
- callback: It is a middleware function or a series/array of middleware functions.
Installation of express module:
- You can visit the link to Install express module. You can install this package by using this command.
npm install express
- After installing express module, you can check your express version in command prompt using the command.
npm version express
- After that, you can just create a folder and add a file for example, index.js. To run this file you need to run the following command.
node index.js
Filename: index.js
javascript
var express = require('express');var app = express();var PORT = 3000;app.delete('/', (req, res) => { res.send("DELETE Request Called")})app.listen(PORT, function(err){ if (err) console.log(err); console.log("Server listening on PORT", PORT);}); |
Steps to run the program:
- The project structure will look like this:
- Make sure you have installed express module using following command:
npm install express
- Run index.js file using below command:
node index.js
- Output:
Server listening on PORT 3000
- Now make DELETE request to http://localhost:3000/ and you will get the following output:
DELETE Request Called
