barlogのブックマーク - はてなブックマーク

HTML attributes vs DOM properties
Attributes and properties are fundamentally different things. You can have an attribute and property of the same name set to different values. For example: <div foo="bar">…</div> <script> const div = document.querySelector('div[foo=bar]'); console.log(div.getAttribute('foo')); // 'bar' console.log(div.foo); // undefined div.foo = 'hello world'; console.log(div.getAttribute('foo')); // 'bar' consol
barlog 2024/05/03
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View transitions: Handling aspect ratio changes
This post assumes some knowledge of view transitions. If you're looking for a from-scratch intro to the feature, see this article. When folks ask me for help with view transition animations that "don't quite look right", it's usually because the content changes aspect ratio. Here's how to handle it: Unintentional aspect ratio changes It's pretty common for these aspect ratio changes to be unintent
barlog 2024/02/22
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HTTP/2 push is tougher than I thought
"HTTP/2 push will solve that" is something I've heard a lot when it comes to page load performance probl ems, but I didn't know much about it, so I decided to dig in. HTTP/2 push is more complicated and low-level than I initially thought, but what really caught me off-guard is how inconsistent it is between browsers – I'd assumed it was a done deal & totally ready for production. This isn't an "HTT
barlog 2017/06/01
http2
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