The process.stderr is an inbuilt application programming interface of class Process within process module which is used to returns a stream connected to stderr.
Syntax:
const process.stderr
Parameters: This api takes no argument as a parameter.
Return Value: This api returns a stream connected to stderr.
Example 1:
Filename: index.js
// Node.js program to demonstrate the
// Process.stderr
// Importing process module
const process = require('process');
// Getting the stream
// by using process.stderr
const stream = process.stderr
// Display the result
console.log(stream.rows)
Run the index.js file using the following command:
node index.js
Output:
16
Example 2:
Filename: index.js
// Node.js program to demonstrate the
// Process.stderr
// Importing process module
const process = require('process');
// Display the result
console.log(process.stderr.columns)
Run the index.js file using the following command:
node index.js
Output:
147
Reference: https://nodejs.org/dist/latest-v16.x/docs/api/process.html#process_process_stderr