In this comprehensive Node.js tutorial for 2025, you will learn how to effectively use console.log() in Node.js to debug applications, monitor variable values, and output essential information to the console. Whether you’re just starting out with Node.js or you’re an experienced backend developer, mastering console.log() and its related functions is crucial for efficient coding and problem-solving.
console.log() is one of the simplest yet most powerful tools in JavaScript and Node.js for printing output and debugging code. In this video, we will not just cover the basics but also go deep into advanced console methods that can help you diagnose issues, format logs, and improve the readability of your outputs.
Here’s what you’ll learn in this tutorial:
What is console.log() and how it works in Node.js
The difference between console.log() in the browser and in Node.js
How to print variables, objects, and arrays in a readable format
Using string interpolation and template literals with console.log()
Advanced console methods: console.error(), console.warn(), console.table(), and console.dir()
How to use console.time() and console.timeEnd() for performance measurement
Best practices for logging in production vs development environments
How to make logs more readable using colors and formatting in Node.js
Integrating logging with debugging tools for larger Node.js applications
Common mistakes beginners make with console.log and how to avoid them
By the end of this tutor
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2025/08/11
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