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How to Animate the Details Element Using WAAPI


Animating accordions in JavaScript has been one of the most asked animations on websites. Fun fact: jQuery’s slideDown() function was already available in the first version in 2011. In this article, we will see how you can animate the native <details> element using the Web Animations...

Core Web Vital Tooling


I still think the Google-devised Core Web Vitals are smart. When I first got into caring about performance, it was all: reduce requests! cache things! Make stuff smaller! And while those are all very related to web performance, they are abstractly related. Actual web performance to users are things...

Announcing the 2020 State of CSS Survey


Last year’s State of CSS Survey yielded interesting results. There’s the quick adoption of features, like calc() and CSS custom properties. There’s also the overwhelming opinion that CSS is fun to write even as we see a growing reliance on CSS-in JS. We also saw some predictable...

The :focus-visible Trick


Always worth repeating: all interactive elements should have a focus style. That way, a keyboard user can tell when they have moved focus to that element. But if you use :focus alone for this, it has a side effect that a lot of people don’t like. It means that when you click (with a mouse)...

How to Conditionally Add Attributes to Objects


JavaScript is full of tricks that you don’t know you want until you … want … them. Or maybe just until you see them. One trick I recently realized was conditionally adding attributes to React elements. Of course this trick essentially boils down to conditionally adding properties...

Layoutit Grid: Learning CSS Grid Visually With a Generator


Layoutit Grid is an interactive open source CSS Grid generator. It lets you draw your designs and see the code as you go. You can interact with the code, add or remove track lines and drag them around to change the sizing — and you get to see the CSS and HTML change in real time! Add some tracks...

Bitcoin Is Undervalued, Fair Value Price Should Be $15,000, Says Analyst


Bloomberg cryptocurrency analyst Mike McGlone says bitcoin is greatly undervalued, suggesting that its fair value price should currently be somewhere around $15,000. The price of bitcoin (BTC) has see-sawed between $10,000 and $12,400 over the last few weeks, often tumbling sharply following what...

How to Create an Async Function


One thing I love about JavaScript is that there are many ways to accomplish the same task, one such example being creating functions. There are several patterns for functions; one of the last you see used is the new Function method: /* new Function(arg1, arg2 (...), body) */ const myFunction =...

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