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Node.js http.ClientRequest.abort() Method

Last Updated : 18 Jan, 2021

The http.ClientRequest.abort() is an inbuilt application programming interface of class Client Request within http module which is used to abort the client request.

Syntax:

ClientRequest.abort()

Parameters: This method does not accept any argument as a parameter.

Return Value: This method does not return any value

Example 1: Filename: index.js

Javascript

// Node.js program to demonstrate the   
// request.abort() APi 
  
// Importing http module 
const http = require('http'); 
  
// Create an HTTP server 
const server = http.createServer((req, res) => { 
  res.writeHead(200, { 'Content-Type': 'text/plain' }); 
  res.end('okay'); 
}); 
  
// Now that server is running 
server.listen(3000, '127.0.0.1', () => { 
    console.log("Server is started") 
  
    // Making a request 
    const options = { 
    port: 3000, 
    host: '127.0.0.1', 
    headers: { 
      'Connection': 'Upgrade', 
      'Upgrade': 'websocket'
    } 
  }; 
  
  // Getting client request 
  const req = http.request(options); 
  
  // Aborting the request 
  // by using abort() method 
  req.abort() 
  
  // Emit the message 
  req.on('abort',()=>{ 
    console.log("client request is aborted") 
      
  }) 
});

Run index.js file using below command:

node index.js

Output:

client request is aborted

Example 2: Filename: index.js

Javascript

// Node.js program to demonstrate the   
// request.abort() APi 
  
// Importing http module 
const http = require('http'); 
  
// Creating an HTTP server 
http.createServer((req, res) => {}) 
.listen(3000, '127.0.0.1', () => { 
  
  // Getting clinet request 
  const req = http.request({ 
    port: 3000, 
    host: '127.0.0.1', 
  }); 
  
  // Aborting the request 
  // by using abort() api 
  req.abort() 
  
  // Emit the message 
  req.on('abort',()=>{ 
    console.log("client request is aborted") 
    process.exit(0); 
  }) 
});