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Simple horizontal line on console log in NodeJS

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by Abdul Rawoof A R dot icon Updated: Jan 30, 2024

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The console.log () method will provide an output message to the web console. The message can be a single string or any one or more JavaScript objects.  


Node.js console is a global object that prints different levels of messages to stdout and stderr. Built-in methods exist for printing information, warning, and error messages. Node.js includes the built-in console module. It lets you write log messages to standard output (stdout) and error (stderr). You do this using the log and error functions. console.log is a method for developers to write code to inform the developers what the code is doing. It can alert you to an issue. But it shouldn't replace a debugger when it's time to debug.  


Here is an example of how to implement a simple horizontal line on the console log in Node.js: 

Fig: Preview of the output that you will get on running this code from your IDE.

Code

NodeJS simple horizontal line on console.log

Lines of Code : 17dotLicense : Strong Copyleft (CC BY-SA 4.0)

const lineBreak = '----------------------'
console.log(lineBreak)

______ //Underscores!
-----  //Hyphens!
====== //Equals!

function name(obj) {
  console.group('name');
  console.log('first: ', obj.first);
  console.log('middle: ', obj.middle);
  console.log('last: ', obj.last);
  console.groupEnd();
}

name({"first":"Wile","middle":"E","last":"Coyote"});

Instructions

Follow the steps carefully to get the output easily.

  1. Install Node and Visual Studio Code on your computer.
  2. Create a new folder in your local.
  3. Open that folder in Visual Studio Code.
  4. Then create a new JS file(Eg: node.js).
  5. Copy the snippet using 'copy' button and paste it into that file.
  6. Save the file and open the terminal, use this command 'node filename(node.js)' to get the output in your console.


I hope you found this helpful.


I found this code snippet by searching for 'simple horizontal line on console log' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created and tested in Visual Studio Code 1.74.1.
  2. The solution is tested in Node v18.15.0.


Using this solution, we are able to implement simple horizontal line on console log in nodejs with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to implement simple horizontal line on console log in nodejs.

FAQ

1. How do I print a simple horizontal line in the console log using Node.js? 

To print a horizontal line in the console log, you can use a repeated character like - or =. 

For example: console.log ('-'. repeat (30)); 


2. Can I customize the length of the horizontal line? 

Yes, you can change the length of the line. Do this by changing the parameter in the repeat method. In the example above, 30 represents the length of the line. 


3. Is there a way to make the horizontal line dynamic based on terminal width? 

Yes, you can calculate the terminal width using process.stdout.columns. 

Here's an example: 

const lineLength = process.stdout.columns || 30; 

console.log ('-'. repeat(lineLength)); 


4. How can I make the horizontal line more appealing? 

You can use ANSI getaway codes to feature color. 

For example: 

const lineLength = process.stdout.columns || 30; 

console.log ('\x1b [36m%s\x1b [0m', '-'. repeat(lineLength)); 

This will print a cyan-colored horizontal line. 


5. Are there any npm packages for enhancing console output, including horizontal lines? 

Yes, many npm packages offer advanced styling for console output. Examples include chalk and cli-ux. They include horizontal lines. Check their documentation for more options. 

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