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Making a Chart? Try Using Mobx State Tree to Power the Data


Who loves charts? Everyone, right? There are lots of ways to create them, including a number of libraries. There’s D3.js, Chart.js, amCharts, Highcharts, and Chartist, to name only a few of many, many options. But we don’t necessary need a chart library to create charts. Take Mobx-state-tree (MST)...

The Trick to Animating the Dot on the Letter “i”


Here’s the trick: by combining the Turkish letter "ı" and the period "." we can create something that looks like the letter "i," but is made from two separate elements. This opens us up to some fun options to style or animate the dot of the letter independently from the stalk. Worried about...

The Current State of Styling Selects in 2019


Best I could tell from the last time I compiled the most wished-for features of CSS, styling form controls was a major ask. Top 5, I'd say. And of the native form elements that people want to style, Greg Whitworth has some data that the <select> element is more requested than any other...

Animated Position of Focus Ring


Maurice Mahan created FocusOverlay, a "library for creating overlays on focused elements." That description is a little confusing at you don't need a library to create focus styles. What the library actually does is animate the focus rings as focus moves from one element to another. It's based...

Weaving One Element Over and Under Another Element


In this post, we’re going to use CSS superpowers to create a visual effect where two elements overlap and weave together. The epiphany for this design came during a short burst of spiritual inquisitiveness where I ended up at The Bible Project’s website. They make really cool animations, and...

Stop Animations During Window Resizing


Say you have page that has a bunch of transitions and animations on all sorts of elements. Some of them get triggered when the window is resized because they have to do with size of the page or position or padding or something. It doesn't really matter what it is, the fact that the transition...

The Teletype Text Element Lives On… at Least on This Site


It was this: <tt> I say "was" because it's deprecated. It may still "work" (like everybody's favorite <marquee> in some browsers), but it could stop working anytime, they say. The whole purpose of it was to display text in a monospace font, like the way Teletype machines used...

Enhancing The Clickable Area Size


Here’s a great post by Ahmad Shadeed on making sure that clickable areas in our interfaces are, well, clickable. He writes about making sure that links, buttons and other elements meet accessibility standards for both touch and mouse, too. I particularly like the section where Ahmad writes about...

“Off The Main Thread”


JavaScript is what they call "single-threaded." As Brian Barbour puts it: This means it has one call stack and one memory heap. We all feel a symptom of that regularly in the form of performance jank and non-interactivity on elements or entire sites. If we give JavaScript lots of jobs and it gets...

Working with Attributes on DOM Elements


The DOM is just a little weird about some things, and the way you deal with attributes is no exception. There are a number of ways to deal with the attributes on elements. By attributes, I mean things like the id in <div id="cool"></div>. Sometimes you need to set them. Sometimes...

Nested Gradients with background-clip


I can't say I use background-clip all that often. I'd wager it's hardly ever used in day-to-day CSS work. But I was reminded of it in a post by Stefan Judis, which consistently was itself a learning-response post to a post over here by Ana Tudor. Here's a quick explanation. You've probably seen...

Creating a Maintainable Icon System with Sass


One of my favorite ways of adding icons to a site is by including them as data URL background images to pseudo-elements (e.g. ::after) in my CSS. This technique offers several advantages: They don't require any additional HTTP requests other than the CSS file. Using the background-size property...

Smooth Scrolling Image Effects


A small set of ideas on animating images and other elements while smooth scrolling a page. Smooth Scrolling Image Effects was written by Mary Lou and published on Codrops

Debugging CSS Grid with Firefox Dev Tools


CSS Grid is mostly composed of rows, columns, cells, tracks, gaps etc. These things are not elements by themselves; hence, it can be really tasking to visualize and debug them. In this post, we’ll

Color Inputs: A Deep Dive into Cross-Browser Differences


In this article, we'll be taking a look at the structure inside <input type='color'> elements, browser inconsistencies, why they look a certain way in a certain browser, and how to dig into it. Having a good understanding of this input allows us to evaluate whether a certain cross-browser...

A Little Reminder That Pseudo Elements are Children, Kinda.


Here's a container with some child elements: <div class="container"> <div>item</div> <div>item</div> <div>item</div> </div> If I do: .container::before { content: "x" } I'm essentially doing: <div class="container"> ...

React Starter: How does JSX make HTML elements?


JSX makes making React components easier. Some may find JSX to have a high learning curve and that's totally understandable. It's not exactly HTML and it's not exactly JavaScript, so it can take so

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