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Browser Native Lazy Loading for IMG Images with `loading="lazy"`: A Practical Guide

Native image lazy loading is one of those small HTML features that removes a surprising amount of JavaScript from everyday frontend work. Instead of watching scroll events, calc...
Automatically Refresh an `<a>` Link or Reuse Its Already-Opened Browser Tab

Opening the same page over and over again is a small UX problem that can quickly become annoying. A user clicks a link once, gets a new tab, then clicks the same link again and...
Good Thing `document.readyState` Is Still Useful for Something After All

For a long time, document.readyState felt like one of those browser APIs that looked useful in theory but rarely earned its place in real production code. It is old. It is simpl...
Stop Using IndexedDB for Large Files. Use OPFS Instead.

Based on the article by zhangxinxu, published September 3, 2026. Original source: https://www.zhangxinxu.com/wordpress/?p=12379 For years, IndexedDB has been the default answer...
JS Methods for Detecting Whether a Browser Supports a CSS Property

CSS feature detection is most useful when you are about to rely on a property or value that may not exist everywhere. The right approach is not browser sniffing. Instead, ask th...

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