These things called passkeys sure are making the rounds these days. They were a main attraction at W3C TPAC 2022, gained support in Safari 16, are finding their way into macOS and iOS, and are slated to be the future for password managers like 1Password. They are already supported in Android, and will soon find their way into Chrome OS and Windows in future releases. Geeky OS security enhancements don’t exactly make big headlines in the front-end community, but i..

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I spend a lot of time in DevTools, and I’m sure you do too. Sometimes I even bounce between them, especially when I’m debugging cross-browser issues. DevTools is a lot like browsers themselves — not all of the features in one browser’s DevTools will be the same or supported in another browser’s DevTools. But there are quite a few DevTools features that are interoperable, even some lesser-known ones that I’m about to share with you. For the sake of brevity, I..

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Doing a quick search here on CSS-Tricks shows just how many different ways there are to approach calendars. Some show how CSS Grid can create the layout efficiently. Some attempt to bring actual data into the mix. Some rely on a framework to help with state management. There are many considerations when building a calendar component — far more than what is covered in the articles I linked up. If you think about it, calendars are fraught with nuance, from handling timezon..

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You know what it’s like to pick up a new language or framework. Sometimes there’s great documentation to help you find your way through it. But even the best documentation doesn’t cover absolutely everything. And when you work with something that’s new, you’re bound to find a problem that doesn’t have a written solution. That’s how it was for me the first time I created a React project — and React is one of those frameworks with remarkable documentation, es..

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CSS trigonometry functions are here! Well, they are if you’re using the latest versions of Firefox and Safari, that is. Having this sort of mathematical power in CSS opens up a whole bunch of possibilities. In this tutorial, I thought we’d dip our toes in the water to get a feel for a couple of the newer functions: sin() and cos(). There are other trigonometry functions in the pipeline — including tan() — so why focus just on sin() and cos()? They happen to be perf..

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Fonts are a defining characteristic of the design of any site. That includes WordPress themes, where it’s common for theme developers to integrate a service like Google Fonts into the WordPress Customizer settings for a “classic” PHP-based theme. That hasn’t quite been the case for WordPress block themes. While integrating Google Fonts into classic themes is well-documented, there’s nothing currently available for block themes in the WordPress Theme Handbook. Tha..

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I was reading “Creative List Styling” on Google’s web.dev blog and noticed something odd in one of the code examples in the ::marker section of the article. The built-in list markers are bullets, ordinal numbers, and letters. The ::marker pseudo-element allows us to style these markers or replace them with a custom character or image. ::marker { content: url('/marker.svg') ' '; } The example that caught my attention uses an SVG icon as a custom marker for the li..

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We’re fans of Custom Elements around here. Their design makes them particularly amenable to lazy loading, which can be a boon for performance. Inspired by a colleague’s experiments, I recently set about writing a simple auto-loader: Whenever a custom element appears in the DOM, we wanna load the corresponding implementation if it’s not available yet. The browser then takes care of upgrading such elements from there on out. Chances are you won’t actually need..

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It’s a question I hear asked quite often: Is it possible to create shadows from gradients instead of solid colors? There is no specific CSS property that does this (believe me, I’ve looked) and any blog post you find about it is basically a lot of CSS tricks to approximate a gradient. We’ll actually cover some of those as we go. But first… another article about gradient shadows? Really? Yes, this is yet another post on the topic, but it is different. Together, w..

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Every now and then, a one blog post is published and it spurs a reaction or response in others that are, in turn, published as blogs posts, and a theme starts to emerge. That’s what happened this past week and the theme developed around the cost of JavaScript frameworks — a cost that, in this case, reveals just how darn important it is to use JavaScript responsibly. Eric Bailey: Modern Health, frameworks, performance, and harm This is where the story begins. Eric ..

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