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3183

New JSX Transform

This blog site has been archived. Go to react.dev/blog to see the recent posts. Although React 17 doesn’t contain new features, it will provide support for a new version of the JSX transform. In this post, we will describe what it is and how to try it. What’s a JSX Transform? Browsers don’t understand JSX out of the…

3186

What is the value of browser diversity?

In May 2019 I attended a talk by Mike Taylor who works on webcompat at Mozilla. Mike told the sordid story of window.event, a non-standard IE invention that was replicated in Konqueror, which showed up in Webkit, which stuck around in Blink, and was now Mike’s problem in Firefox. It was a good story fraught with ups…

3193

Tracking users via CSS

I try to be a friendly citizen of the web. I try to keep my site in good shape. It should load quickly, track nothing beyond your basic server logs, not hassle you about cookies, GDPR or my newsletter. I do have a newsletter but it won't pop up in your face here. I try to stay firmly on the side of friendly and a good…