The many sizes of a video element

What is th size of a <video>? The browser has several APIs reporting widths and heights, but they’re all subtly different! This blog post is a playground. It gets your webcam stream and displays it in a <video> element. You can change the size constaints that are applied, and you can change the size of the displayed video. Based on this, the page shows the various widths and heights of the video as reported by different browser APIs. I’ll follow this post with some analysis of what they all mean!

{ "width": { "ideal": 320 }, "height": { "ideal": 240 }, "resizeMode": "crop-and-scale" }

What can computers do? What are the limits of mathematics? And just how busy can a busy beaver be? This year, I’m writing Busy Beavers, a unique interactive book on computability theory. You and I will take a practical and modern approach to answering these questions — or at least learning why some questions are unanswerable!

It’s only $19, and you can get 50% off if you find the discount code ... Not quite. Hackers use the console!

After months of secret toil, I and Andrew Carr released Everyday Data Science, a unique interactive online course! You’ll make the perfect glass of lemonade using Thompson sampling. You’ll lose weight with differential equations. And you might just qualify for the Olympics with a bit of statistics!

It’s $29, but you can get 50% off if you find the discount code ... Not quite. Hackers use the console!

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Tagged #programming, #web. All content copyright James Fisher 2020. This post is not associated with my employer. Found an error? Edit this page.