When it comes to operating on arrays, .splice() and .slice() are two incredibly useful methods to have in your toolkit. It’s not always easy, though, to remember which is which. I’ve put together this crash course on the ins-and-outs of each so that you can start splicing and slicing with…

If you’re new to JavaScript, it can be tempting to fasten your seat belt, step on the gas, and careen through the language as quickly as possible. “There’s so much to learn,” you may think to yourself, “so I need to just push on, even if certain fundamentals aren’t quite…

So, you’ve decided to learn React.js. Congratulations! This guide is intended to help you in your quest to understand four fundamental aspects of this incredibly powerful library. We will be building a very simple React app along the way that allows a user to enter a search term and retrieve…

When we create JavaScript objects, we typically associate them with certain behavior. Consider the below example: We’ve created a class Dog with three properties and two methods, one of which is tellUsAboutYourSelf(). We’ve also created a new instance of Dog, which is saved into the variable fido. Pretty straightforward…

You know the old saying: Everything in Ruby is an Object. But what does that mean? Where do these Objects come from, and why do they behave the way they do? Objects come from classes, which you can think of as the blueprints for individual objects — they define the…

I just completed my second week of the Software Engineering Immersive at Flatiron School, and I’m going to unpack the difference between .sort and .sort_by in Ruby. I first ran into .sort_by when working on the final lab in the pre-work for my program. The lab was called “Alphabetize in…