Question 1

How to use eases with CSS animations?

Accepted Answer

eases is a JavaScript library, so you can't directly use it with CSS. However, you can compute easing values in JS and apply them via inline styles or CSS custom properties, for instance, in React or vanilla JS animations.

Question 2

eases vs anime.js for JavaScript animations?

Accepted Answer

eases is minimal and only provides easing functions, requiring you to handle animation logic yourself. In contrast, anime.js is a full animation library with timelines and controls. Choose eases for lightweight easing; pick anime.js for complex animations.

Question 3

How to import only one easing function in a modern project?

Accepted Answer

Use the modular import syntax like require('eases/quad-in') for CommonJS. With bundlers like Webpack, it works out-of-the-box, but for ES modules, you might need to use tools to convert or check for an ES build.

Question 4

What's the best easing for a smooth fade-in effect?

Accepted Answer

For smooth fade-ins, eases.sineIn or eases.cubicIn are often recommended due to their gradual acceleration. Test different curves from the list to match your design's feel.

Question 5

Does eases support TypeScript?

Accepted Answer

The library is in JavaScript, but you can use it with TypeScript by installing types from @types/eases or creating custom declarations, as the simple API makes it easy to type.

Question 6

How to create a bounce animation with eases?

Accepted Answer

Use functions like bounce-in or bounce-out. For example, require('eases/bounce-out') and apply it in your animation loop where t ranges from 0 to 1 to get the bouncing effect.

Eases

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