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Here’s the thing about “unused CSS” tools


There are a lot of tools that aim to help you remove "unused CSS" from your project. Never a week goes by that I don't see a tool for this being shared or promoted. It must strike some kind of perfect chord for some developers. I care about performance, and I know that reducing file sizes is good...

Show FPS for Steam Games


There’s nothing more frustrating to a top gamer (outside of bugs in a game) than dropped frames in a video game.  If you’re playing a competitive multiplayer game like PUBG or Fortnite, where up to 100 people are simultaneously competing, dropped frames can be the difference between...

Understanding the Almighty Reducer


I was reently mentoring someone who had trouble with the .reduce() method in JavaScript. Namely, how you get from this: const nums = [1, 2, 3] let value = 0 for (let i = 0; i < nums.length; i++) { value += nums[i] } ...to this: const nums = [1, 2, 3] const value = nums.reduce((ac, next)...

Your Brain on Front-End Development


Part of the job of being a front-end developer is applying different techniques and technologies to pull of the desired UI and UX. Perhaps you work with a design team and implement their designs. I know when I look at a design (heck, even if I know I'm not going to be building it), my front-end...

Creating a Bar Graph with CSS Grid


If you’re looking for more manageable ways to create bar graphs, or in search of use cases to practice CSS Grid layout, I got you! Before we begin working on the graph, I want to talk about coding the bars, when Grid is a good approach for graphs, and we’ll also cover some code choices you might...

Versioning Interview


Adam Roberts (who you might recognize from our interview with him), interviewed me for the Versioning newsletter. I'm publishing my answers here for y'alls perusal as well! Which dev/tech idea or trend excites you the most at the moment, and why? I love that new JavaScript has arrived. I don’t...

Digging Into React Context


You may have wondered lately what all the buzz is about Context and what it might mean for you and your React sites. Before Context, when the management of state gets complicated beyond the functionality of setState, you likely had to make use of a third party library. Thanks to recent updates...

8 Emmet Tips You Might Not Know


Emmet (who remembers when it was called Zen Coding?) is a very useful code editor tool that brings snippets and supercharged shortcuts for generating HTML/markup and

World wide wrist


After all the hubbub with WWDC over the past couple of days, Ethan Marcotte is excited about the news that the Apple Watch will be able to view web content. He writes: If I had to guess, I’d imagine some sort of “reader mode” is coming to the Watch: in other words, when you open a link on your...

Manipulating Pixels Using Canvas


Modern browsers support playing video via the <video> element. Most browsers also have access to webcams via the MediaDevices.getUserMedia() API. But even with those two things combined, we can’t really access and manipulate those pixels directly. Fortunately, browsers have a Canvas...

​Headless CMS: Fresh Air for Developers


(This is a sponsored post.) Your current CMS sucks! You know that for some time already but have not decided yet what your next solution should be. You've noticed all the buzz around headless CMS but you're still not sure what is in it for you and how it can solve all your woes. What is...

Build Custom Pagination with React


Often times, we get involved in building web apps in which we are required to fetch large sets of data records from a remote server, API or some database sitting somewhere. If you are building a pa

Animate Images and Videos with curtains.js


While browsing the latest award-winning websites, you may notice a lot of fancy image distortion animations or neat 3D effects. Most of them are created with WebGL, an API allowing GPU-accelerated image processing effects and animations. They also tend to use libraries built on top of WebGL such...

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