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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...

Can you rotate the cursor in CSS?


Kinda! There is no simple or standard way to do it, but it's possible. You can change the cursor to different built-in native versions with CSS with the cursor property, but that doesn't help much here. You can also use that property to set a static image as the cursor. But again that doesn't help...

PR: Cross Exchange Launches IEO


CROSS is a project aiming to develop an exchange platform that trades various digital assets globally including CROSS exchange for the coming digital asset and digital money society. The value of CROSS (XCR) is to “provide a platform for exchanging all kinds of digital assets.” The post PR: Cross...

Using requestAnimationFrame with React Hooks


Animating with requestAnimationFrame should be easy, but if you haven’t read React’s documentation thoroughly then you will probably run into a few things that might cause you a headache. Here are three gotcha moments I learned the hard way. TLDR: Pass an empty array as a second parameter...

Lazy load embedded YouTube videos


This is a very clever idea via Arthur Corenzan. Rather than use the default YouTube embed, which adds a crapload of resources to a page whether the user plays the video or not, use the little tiny placeholder webpage that is just an image you can click that is linked to the YouTube embed. It still...

Mercurial Tips


While most of the world seems to be using git for version control, Mozilla continues to use Mercurial (hg) to manage the Firefox source code. As a git and GitHub lover, it took me a while to get used to Mercurial. I don’t consider myself a hg expert but I know enough to complete...

Staggered CSS Transitions


Let's say you wanted to move an element on :hover for a fun visual effect. @media (hover: hover) { .list--item { transition: 0.1s; transform: translateY(10px); } .list--item:hover, .list--item:focus { transform: translateY(0); } } Cool cool. But what if you had several list...

Contextual Utility Classes for Color with Custom Properties


In CSS, we have the ability to access currentColor which is tremendously useful. Sadly, we do not have access to anything like currentBackgroundColor, and the color-mod() function is still a ways away. With that said, I am sure I am not alone when I say I'd like to style some links based on...

The Differing Perspectives on CSS-in-JS


Some people outright hate the idea of CSS-in-JS. Just that name is offensive. Hard no. Styling doesn't belong in CSS, it belongs in CSS, a thing that already exists and that browsers are optimized to use. Separation of concerns. Anything else is a laughable misstep, a sign of not learning from...

All the New ES2019 Tips and Tricks


The ECMAScript standard has been updated yet again with the addition of new features in ES2019. Now officially available in node, Chrome, Firefox, and Safari you can also use Babel to compile these features to a different version of JavaScript if you need to support an older browser. Let’s look...

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