Getting the correct HTML codecs parameter for an AV1 video

Posted 19 December 2022

It should be easier, but here's how to figure it out.

Read on…

Drawing a star with DOMMatrix

Posted 30 September 2022

And how I messed up the code on HTTP 203

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Avoiding <img> layout shifts: aspect-ratio vs width & height attributes

Posted 11 July 2022

Two ways to do the same thing, but which is best?

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Cross-fading any two DOM elements is currently impossible

Posted 22 November 2021

Here's why, and the features we need to enable it…

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How to win at CORS

Posted 12 October 2021

The 'how' and 'why' of CORS, from start to finish.

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Writing great alt text: Emotion matters

Posted 04 August 2021

I recently got stuck trying to figure out the right alt text for a particular image…

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`export default thing` is different to `export { thing as default }`

Posted 03 July 2021

Here's how they differ, and when it matters…

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Encoding data for POST requests

Posted 30 June 2021

Don't do it like GitHub Copilot!

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In JS functions, the 'last' return wins

Posted 24 June 2021 and I apologise in advance

An edge case has convinced me it's the 'last' return that always wins…

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Halve the size of images by optimising for high density displays

Posted 11 June 2021

Why compressing images for dense screens is different, and how to serve them

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Jake Archibald in a garden with a black cat

Hello, I'm Jake and that's me there. The one that isn't a cat. I'm a developer of sorts.

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Feel free to throw me an email, unless you're a recruiter, or someone trying to offer me 'sponsored content' for this site, in which case write your request on a piece of paper, and fling it out the window.

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