CSS アニメーションについて深く知る - Qiita
概要 CSS で実装する要素の移動（アニメーション）に関しての簡単な説明から、パフォーマンスに関連する事象を深掘って説明していきます。この辺りの話はややこしいので、自身でも整理をつけるためにまとめました。 長い記事になりますが、CSS のアニメーション（パフォーマンス関連）を深く理解するための手助けになれば幸いです。 既にご存知の方はどこか間違っている点などあればご指摘宜しくお願いいたします。 要素の移動について 要素を縦横にアニメーションを伴って動かしたい場合 transition を適応させた要素に対して right, left, top, bottom や transform: translate(X,Y) のプロパティーを追加、またはその値を変更することで実現させることができる。 移動には right, left, top, bottom よりも transform: transl
10 principles for smooth web animations
Since we launched Gyroscope last year, many people have asked about the JavaScript library we use for our animations. We thought about releasing it to the public, but that’s actually not where the magic happens. We don’t want people to feel like they’re dependent on some special JavaScript plugin that magically solves these problems. For the most part, we’re just taking advantage of the recent imp
How fast should your UI animations be? | Val Head
This is a question I get asked a lot at workshops and talks. Essentially this question hits on the important topic of timing for UI animations. Good timing is essential for creating a good experience. Often times I hear designers and developers say they have one specific small number, like 200ms, to use as the duration for any and all interface animations no matter what. This sounds like a good so
Myth Busting: CSS Animations Vs. JavaScript | CSS-Tricks
DigitalOcean provides cloud products for every stage of your journey. Get started with $200 in free credit! The following is a guest post by Jack Doyle, author of the GreenSock Animation Platform (GSAP). Jack does a lot of work with animations in the browser and has discovered that the generic opinion that “CSS is faster” just isn’t true. It’s more than that, as well. I’ll let him explain. Once up
Jank Free: Let's Make the Web Silky Smooth!
What is Jank? Modern browsers try to refresh the content on screen in sync with a device's refresh rate. For most devices today, the screen will refresh 60 times a second, or 60Hz. If there is some motion on screen (such as scrolling, transitions, or animations) a browser should create 60 frames per second to match the refresh rate. Jank is any stuttering, juddering or just plain halting that user
CSS vs. JS Animation: Which is Faster?
How is it possible that JavaScript-based animation has secretly always been as fast — or faster — than CSS transitions? And, how is it possible that Adobe and Google consistently release media-rich mobile sites that rival the performance of native apps? This article serves as a point-by-point walkthrough of how JavaScript-based DOM animation libraries, such as Velocity.js and GSAP, are more perfor
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