Updated on April 8, 2026 in Learn
How Node.js Lets JavaScript Run on the Server
If you have been learning JavaScript for front-end development, you have been writing code that runs in the browser. Node.js makes it possible to run that same JavaScript on a server instead. That shift is what makes JavaScript a viable…
January 19, 2026 in Learn
JavaScript Basics: From Syntax to the DOM
JavaScript is the layer of the web that turns static pages into interactive experiences. While HTML structures content and CSS controls presentation, JavaScript responds to user actions, updates content dynamically, and connects logic to what happens in the browser. For…
Updated on August 25, 2025 in Learn
Python vs. JavaScript Comparison for 2025
Choosing between Python and JavaScript isn’t just about preference—it’s about purpose. Python powers data science, machine learning, and backend automation, while JavaScript continues to dominate the browser and is increasingly used for full-stack and AI-assisted app development. As the tech…
Updated on April 25, 2024 in Learn
JavaScript Fetch API: Retrieving Data from Servers
If you’re an aspiring JavaScript developer looking to harness the power of modern web programming, understanding the Fetch API is a crucial part of building robust, data-rich applications. In this post, I’ll introduce you to how to use the JavaScript…
Updated on April 25, 2024 in Learn
Dynamically Change Values in JavaScript
Things on the internet are always changing. Sometimes websites themselves change. Sometimes things on a website dynamically change while you’re interacting with it. This is where my interest peaks. That’s why I want to discuss how to dynamically change values…
Updated on March 19, 2026 in Learn
Manipulating Classes Using the JavaScript classList API
The classList property gives you a clean, purpose-built API for adding, removing, toggling, and inspecting CSS classes on any HTML element. It’s available on every element in the DOM and works in all modern browsers with no dependencies required. Getting…
Updated on September 11, 2023 in Learn
What is JavaScript?
This blog post was written by chatGPT. The Treehouse team is experimenting with this exciting new service and so thought we would ask it a few questions and see how it compares to similar content! If you’re wondering what is…
Updated on September 11, 2023 in Learn
JavaScript Array Methods: reduce()
The reduce() method in JavaScript is used to apply a function to each element in an array, with the purpose of reducing the array to a single value. This method is often used for tasks such as summing the elements…
Updated on September 11, 2023 in Learn
JavaScript Array Methods: includes()
Ever wondered if an array included a specific value? There is an easy way to check this by using a JavaScript array method known as includes(). Follow along as I go over this method and show you how to use…
Updated on September 11, 2023 in Learn
JavaScript Array Methods: sort()
Ever found yourself needing to sort an array? This could be strings being sorted in alphabetical order or even a players’ scores from highest to lowest. Whichever the case may be, the JavaScript sort() method can make this task easy….
Updated on September 11, 2023 in Learn
JavaScript Array Methods: find()
Ever needed to find or locate a specific array item? Luckily for us, we have a JavaScript method that can handle that task with ease. In this quick guide, I’ll go over the find() JavaScript array method. If you’re ready,…
Updated on September 11, 2023 in Learn
Java vs. JavaScript: A Complete Comparison
The programming languages Java and JavaScript may sound similar, but they’re not actually related to each other at all. In fact, it’s often said that the name ‘JavaScript’ was a marketing tactic to take advantage of Java’s popularity. Although both…