Celebrating 20 years of MDN
MDN turns 20! Let's look at how we started, how MDN became the most trusted resource for web developers, the impact it's had on the open web, and yes, there's cake, too.
Featured articles
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Web APIs Navigation API
The Navigation API provides the ability to initiate, intercept, and manage browser navigation actions. It can also examine an application's history entries. This is a successor to previous web platform features such as the History API and window.location, which solves their shortcomings and is specifically aimed at the needs of single-page applications (SPAs).
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Web APIs Trusted Types API
The Trusted Types API gives web developers a way to ensure that input has been passed through a user-specified transformation function before being passed to an API that might execute that input. This can help to protect against client-side cross-site scripting (XSS) attacks. Most commonly the transformation function sanitizes the input.
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CSS Using CSS anchor positioning
The CSS anchor positioning module defines features that allow you to tether elements together. Elements can be defined as anchor elements and anchor-positioned elements. Anchor-positioned elements can be bound to anchor elements. The anchor-positioned elements can then have their size and position set relative to the size and location of the anchor elements to which they are bound.
Latest news
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developer.mozilla.org Under the hood of MDN's new frontend
You may have spotted that MDN has a new frontend. There's plenty happening under the surface, so let's unpack the technologies we chose, the architectural decisions we made, and why we did a rebuild at all.
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developer.mozilla.org Image formats: Codecs and compression tools
Image compression involves countless trade-offs between quality, size, and speed. In this final part of the series, we experiment with codecs, metrics, and tools to find practical ways to balance efficiency and visual fidelity.
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developer.mozilla.org A beginner-friendly guide to view transitions in CSS
Learn how to bring smooth, animated navigation to multi-page apps with view transitions. With just one line of CSS, you can enable seamless transitions between pages.
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developer.mozilla.org Launching MDN's new front end
MDN is getting a facelift 🎉. Discover what's changed, what's improved, and how navigating the site just got smoother.