Treehouse Blog

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…

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…

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….

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,…

Today’s world is driven by data. According to this report by Cisco, big data will be worth $224.5 billion by 2025, an increase of over 10% from 2020. This rapid growth in valuation shows how crucial data has become. So,…

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…

It’s one thing to train to become a professional web developer. It’s another to do it quickly.  People spend well over four years within the walls of a university and close to $100,000 to graduate with a computer science degree….

PHP and JavaScript are two very popular programming languages and there are many web apps that use them both at the same time. The main difference is that, while PHP is only for back-end development, JavaScript is used for front-…