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Probably old news now, but the CSS View Transition API is SUPER cool! Entry/exit layout animations like this used to be super complicated or require giant libraries. Now it's like 2 lines of JS, and a few lines of CSS if you want to customize the animation. Amazing! 🤯

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Devon Govett

41,960 subscribers

98,021 Aufrufe • vor 2 Jahren •via X (Twitter)

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10 Kommentare

Profilbild von Devon Govett
Devon Govettvor 2 Jahren

Code:

Profilbild von Kushagra Gour @css_battle
Kushagra Gour @css_battlevor 2 Jahren

yes! And here's a demo without the performance hit of using flushSync

Profilbild von Devon Govett
Devon Govettvor 2 Jahren

flushSync is fine. This is the exact type of thing it is designed for. Actually in this case it may even be faster. When startViewTransition is called it freezes the DOM to take a snapshot. Flushing synchronously reduces the time the page is frozen because updates occur immediately rather than waiting unnecessarily.

Profilbild von Jim Meyer
Jim Meyervor 2 Jahren

Super clean. I immediately tried clicking the add button before the current transition had finished, finding that it then ignores that click. Limitation of freezing the DOM, or is there a way to stack the transitions?

Profilbild von Devon Govett
Devon Govettvor 2 Jahren

Yeah it’s a limitation of the current API but I think the spec authors are aware of it so hopefully it’ll get better eventually

Profilbild von Mostafa
Mostafavor 2 Jahren

Is using the "flushSync" recommended for lists?

Profilbild von Devon Govett
Devon Govettvor 2 Jahren

In this case it’s required for the view transition to take effect. The DOM updates have to occur inside that callback

Profilbild von Ismal Zikri
Ismal Zikrivor 2 Jahren

can you drop that link pls? pretty excited to try it ...

Profilbild von Devon Govett
Devon Govettvor 2 Jahren

No problem

Profilbild von Nate Smith
Nate Smithvor 2 Jahren

Very very cool!

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