Node.js requestListener() Function

Example

The requestListener function is the function that is executed each time the server gets a request:

var http = require('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.write('Hello World!');
res.end();
}).listen(8080);

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Definition and Usage

The requestListener is a function that is called each time the server gets a request.

The requestListener function is passed as a parameter to the http.createServer() method.

The requestListener function handles requests from the user, and also the response back to the user

Syntax

function (request, response) {
}

Parameter Values

Parameter	Description
request	The first parameter, the Request object, represents an IncomingMessage object.
response	The second parameter represents a ServerResponse object, which has methods for handling the response stream back to the user

❮ http.createServer