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Follow-up to https://github.com/w3c/IntersectionObserver/issues/427
In https://github.com/whatwg/html/pull/6097 I tried to update the HTML spec to use the new terms, but found additional issues.
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I am currently trying to observe the bounding box of a specific node from an extension. It's easy to observe the size changes with the ResizeObserver. But there is no easy way to observe changes in th…
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因为使用案例中均为固定写在页面中的静态html元素，那实际使用场景中，大多还是动态渲染进页面的。好像 IntersectionObserver API 无法将动态元素添加监听。
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Why not feature check for IntersectionObserver support and use it when available?
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## Title
An introduction to DOM Observers
## About
MutationObserver, IntersectionObserver and ResizeObserver are awesome new DOM APIs that can perform magic. Let me show you how.
## Durati…
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Forking from https://github.com/w3c/csswg-drafts/issues/7758#issuecomment-1995502030. The algorithm [here](https://w3c.github.io/IntersectionObserver/v2/#calculate-intersection-rect-algo:~:text=Let%20…
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### 相关学习
`level 1`：表示最少预习内容
`level 2`：表示课程需要学会的东西
`level 3`：表示课外知识
* 项目地址
* https://github.com/FE-star/Plan-2022/tree/main/page-transformer
* CSS栅格
* 定宽栅格 `level1` （大部分场景其实定宽就可以解决）
*…
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Spaniel's polyfill for `IntersectionObserver` uses `Date.now()` for setting `entry.time`, which is relative to epoch. The native implementation defines `entry.time` as being relative to the creation o…
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It might be nice for Kobweb to provide an easy way to report if an element in visible on screen or not.
One user said this was possible with React:
```javascript
{({ isVisible }) =>
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There has been a lot of issue discussing on this one, so I'd like to gather them altogether so we can have a better understanding what's wrong and what needs to be done.
For starters, #122 looks pr…