A rather geeky/technical weblog, est. 2001, by Bramus
AbortController
One of the new features that was added in Chrome 88 is the ability to pass an AbortController‘s signal into addEventListener. const controller = new AbortController(); const { signal } = controller; document.querySelector(‘…’).addEventListener(‘foo’, (e) => { // … }, {signal}); By calling controller.abort();, you can remove the listener from the event target, just like when …
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<ruby> element
Looking for a way to implement footnotes in HTML, Thomas Steiner experimented with using the <ruby> element. The MDN docs describe the ruby element as follows. “The HTML <ruby> element represents small annotations that are rendered above, below, or next to base text, usually used for showing the pronunciation of East Asian characters. It can …
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Interesting real-world case-study over at Smashing Magazine: In this article, we’ll take a close look at some of the changes we made on this very site — running on JAMStack with React — to optimize the web performance and improve the Core Web Vitals metrics. With some of the mistakes we’ve made, and some of …
Nice demo by Jhey: See the Pen 3D CSS Birthday Card (Tap to open! 👇) by Jhey (@jh3y) on CodePen. Contains a little bit of JavaScript to make the card respond your mouse movement and to play the audio. The opening/closing of the card and the confetti are done using only CSS.
Mads Stoumann, writing for CSS-Tricks, starts off with a simple idea: set a Custom Property to either playing or paused to control animation-play-state. [data-animation] { /* … */ animation-play-state: var(–animps, running); } /* Use a checkbox to pause animations */ [data-animation-pause]:checked ~ [data-animation] { –animps: paused; } But one of the listed use cases is …
Continue reading “How to Play and Pause CSS Animations with CSS Custom Properties”
clip-path
Ahmad Shadeed is at it again, this time covering CSS clip-path. In this article, I aim to provide you with a clear explanation of how clip-path works in detail when to use it, and how you can use it today in your web development projects. Are you ready? Let’s dive in. As per usual: tons …
Adam Argyle, writing for web.dev: In today’s GUI challenge we create a responsive, accessible slide out side navigation user experience using CSS and JS. The sidenav works on multiple browsers, screen sizes and input devices. Rad right? Follow as we employ grid, transforms, pseudo classes and a dollop of JavaScript to handle this UX. On …
Remember that HTML Tags Memory Test from before? Šime Vidas recently joked that a similar Memory Test but for CSS Properties should exist. Of course I couldn’t resist, so here is the CSS Properties Memory Test 🤪 See the Pen CSS Properties Memory Test by Bramus (@bramus) on CodePen. In total there are 653 properties …
If you’re not entirely familiar with CORS, this guide by Lydia Hallie will explain it to you using lots of visuals. CS Visualized: CORS →
Good little collection of tips for creating responsible (= responsive + accessible) web applications by Joy Heron. With modern HTML and CSS, we can create responsive and accessible web apps with relative ease. In my years of doing software development, I have learned some HTML and CSS tips and tricks, and I want to present …