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Node.js http.ClientRequest.writableEnded API

  • Last Updated : 08 Apr, 2021

The http.ClientRequest.writableEnded is an inbuilt application programming interface of class ClientRequest within http module which is used to check if the request.end() has been called or not.

Syntax:

const request.writableEnded

Parameters: This API does not accept any argument as parameter.

Return Value : This method returns true if and only if the request.end() has been called.

Example 1:



index.js




// Node.js program to demonstrate the  
// request.writableEnded 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', () => {
  
  // make a request
  const options = {
    port: 3000,
    host: '127.0.0.1',
    headers: {
      'Connection': 'Upgrade',
      'Upgrade': 'websocket'
    }
  };
  
  // getting clinet request
  const req = http.request(options);
  
  // checking if the request.end() has been called
  // by using writableEnded api
  if(req.writableEnded)
  console.log('request.end() has been called')
  else
  console.log('request.end() has not been called')
  
  process.exit(0)
});

Output:

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