Detect System Theme Preference Change Using JavaScript

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JavaScript and CSS allow users to detect the user theme preference with CSS’ prefers-color-scheme media query. It’s standard these days to use that preference to show the dark or light theme on a given website. But what if the user changes their preference while using your app? To detect a system theme preference change using JavaScript, you need to combine matchMedia, prefers-color-scheme, and an event listener: window.matchMedia('(prefers-color-scheme: dark)') .addEventListener('change',({ matches }) ={ if (matches) { console.log("change to dark mode!") } else { console.log("change to light mode!") } }) The change event of the matchMedia API notifies you... more →
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Using the Adobe PDF EMbed API with Vue 3

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A long time ago, ok, February of last year, I posted about using the Adobe PDF Embed library with Vue.js: Using the PDF Embed API with Vue.js. The main issue with our Embed library and libraries like Vue is a "chicken and egg" issue. Basically, our docs tell you to add an event listener for our library to load, but it’s possible that the library has loaded before you add the event listener. Raymond Camden… more →
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Using Google Maps with Alpine.js

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It’s been a little while since I’ve blogged about Alpine.js, and I thought an example of integratingGoogle Maps with it would be a good way to continue my path to becoming comfortable with the framework. I imagined it would be fairly simple, but in building a few demos I ran into some interesting issues that helped me learn a bit more about Alpine. Let’s take a look. Raymond Camden… more →
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