Nodejs Console

Nodejs Console

The Node.js console module offers a straightforward debugging console, similar to the one available in web browsers. It allows developers to print messages, errors, and warnings directly to the terminal, making it a handy tool for quick debugging.

In Node.js, the most commonly used console methods are:

• console.log()
• console.error()
• console.warn()

Introduction to Applied AI:-Click Here

Node.js console.log()

The console.log() method is typically used to display standard messages in the console.

File: console_example1.js

console.log('Hello UpdateGadh');

Run the file using the Node.js command:

node console_example1.js

Data Science Tutorial:-Click Here

Example Output:

Hello UpdateGadh

You can also use format specifiers with console.log():

Download New Real Time Projects :-Click here

File: console_example2.js

console.log('Hello %s', 'UpdateGadh');

Run the file:

node console_example2.js

Node.js console.error()

The console.error() method is used to print error messages. This is particularly useful for logging runtime errors.

Machine Learning Tutorial:–Click Here

File: console_example3.js

console.error(new Error('Oops! Something went wrong.'));

Run the file:

node console_example3.js

Node.js console.warn()

The console.warn() method is used to display warnings.

File: console_example4.js

const name = 'John';
console.warn(`Warning! Be careful, ${name}!`);

Run the file:

node console_example4.js

Running the Program

To run any of the above files, simply execute:

node main.js

Complete Advance AI topics:- CLICK HERE
Deep Learning Tutorial:– Click Here

Final Thoughts

The Node.js console methods provide developers with an easy way to print output, debug code, and display errors or warnings. While console.log() is the most commonly used, combining it with console.error() and console.warn() ensures clearer separation between regular messages, errors, and warnings—making your debugging process more effective.

node js console online
node js console log
node js console log to file
node js console log not showing in terminal
explain node js console methods
node js console log format string
nodejs console colors
node js modules
node js console example
node js console javascript
node js console tutorial
node js console json